Summary

a7332d208e9d7a88_system.exe

File a7332d208e9d7a88_system.exe

Summary
Download Resubmit sample

Size 55.7KB
Type PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5 8cb0a43942a5e3d7d0525612019d6e33
SHA1 bf9d3118e5d7e51f67ebfbfa31e9e0d6685b6e02
SHA256 a7332d208e9d7a8871ba89dd0fa26ebfa413040ffe109d9cbbceb29e5b0fdd48
SHA512
49160a9545450f79efb3c21cb508a9b6745bd63d75a59b80c9df053c80639ec66abc4b8369c12829acc45c2f76c447695572e7d023efab85fa481fead93f34cd
CRC32 8EA492B5
ssdeep None
Yara
  • UPX - (no description)
  • suspicious_packer_section - The packer/protector section names/keywords

Score

This file is very suspicious, with a score of 10 out of 10!

Please notice: The scoring system is currently still in development and should be considered an alpha feature.

Autosubmit

Parent_Task_ID:6620444

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 5, 2025, 10:36 a.m. July 5, 2025, 10:43 a.m. 417 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-06-30 17:56:07,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpqnr2dk
2025-06-30 17:56:07,030 [analyzer] DEBUG: Pipe server name: \??\PIPE\oxHIXRHztfWGwIHWMtxjmUtl
2025-06-30 17:56:07,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\fvmPXNoZHrjEcCegdcvTxbFiVxbxtfn
2025-06-30 17:56:07,030 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-06-30 17:56:07,030 [analyzer] INFO: Automatically selected analysis package "exe"
2025-06-30 17:56:07,375 [analyzer] DEBUG: Started auxiliary module Curtain
2025-06-30 17:56:07,375 [analyzer] DEBUG: Started auxiliary module DbgView
2025-06-30 17:56:07,828 [analyzer] DEBUG: Started auxiliary module Disguise
2025-06-30 17:56:08,030 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-06-30 17:56:08,030 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-06-30 17:56:08,030 [analyzer] DEBUG: Started auxiliary module Human
2025-06-30 17:56:08,030 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-06-30 17:56:08,030 [analyzer] DEBUG: Started auxiliary module Reboot
2025-06-30 17:56:08,092 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-06-30 17:56:08,092 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-06-30 17:56:08,092 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-06-30 17:56:08,092 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-06-30 17:56:08,250 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\a7332d208e9d7a88_system.exe' with arguments '' and pid 2768
2025-06-30 17:56:08,467 [analyzer] DEBUG: Loaded monitor into process with pid 2768
2025-06-30 17:56:08,515 [analyzer] INFO: Added new file to list with pid 2768 and path C:\Windows\windows.exe
2025-06-30 17:56:08,515 [analyzer] INFO: Added new file to list with pid 2768 and path C:\system.exe
2025-06-30 17:56:08,608 [analyzer] INFO: Injected into process with pid 1312 and name u'iexplore.exe'
2025-06-30 17:56:08,842 [analyzer] DEBUG: Loaded monitor into process with pid 1312
2025-06-30 17:59:27,250 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-06-30 17:59:28,125 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-06-30 17:59:28,125 [lib.api.process] INFO: Successfully terminated process with pid 2768.
2025-06-30 17:59:28,125 [lib.api.process] INFO: Successfully terminated process with pid 1312.
2025-06-30 17:59:28,140 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-05 10:36:46,772 [cuckoo.core.scheduler] INFO: Task #6650080: acquired machine win7x6415 (label=win7x6415)
2025-07-05 10:36:46,772 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.215 for task #6650080
2025-07-05 10:36:47,138 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 3369640 (interface=vboxnet0, host=192.168.168.215)
2025-07-05 10:36:47,254 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6415
2025-07-05 10:36:47,880 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6415 to vmcloak
2025-07-05 10:38:43,967 [cuckoo.core.guest] INFO: Starting analysis #6650080 on guest (id=win7x6415, ip=192.168.168.215)
2025-07-05 10:38:44,980 [cuckoo.core.guest] DEBUG: win7x6415: not ready yet
2025-07-05 10:38:50,009 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6415, ip=192.168.168.215)
2025-07-05 10:38:50,225 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6415, ip=192.168.168.215, monitor=latest, size=6660546)
2025-07-05 10:38:51,973 [cuckoo.core.resultserver] DEBUG: Task #6650080: live log analysis.log initialized.
2025-07-05 10:38:52,947 [cuckoo.core.resultserver] DEBUG: Task #6650080 is sending a BSON stream
2025-07-05 10:38:53,376 [cuckoo.core.resultserver] DEBUG: Task #6650080 is sending a BSON stream
2025-07-05 10:38:53,681 [cuckoo.core.resultserver] DEBUG: Task #6650080 is sending a BSON stream
2025-07-05 10:38:54,175 [cuckoo.core.resultserver] DEBUG: Task #6650080: File upload for 'shots/0001.jpg'
2025-07-05 10:38:54,191 [cuckoo.core.resultserver] DEBUG: Task #6650080 uploaded file length: 133483
2025-07-05 10:39:06,508 [cuckoo.core.resultserver] DEBUG: Task #6650080: File upload for 'shots/0002.jpg'
2025-07-05 10:39:06,522 [cuckoo.core.resultserver] DEBUG: Task #6650080 uploaded file length: 138314
2025-07-05 10:39:06,595 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:39:13,721 [cuckoo.core.resultserver] DEBUG: Task #6650080: File upload for 'shots/0003.jpg'
2025-07-05 10:39:13,735 [cuckoo.core.resultserver] DEBUG: Task #6650080 uploaded file length: 138129
2025-07-05 10:39:21,673 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:39:36,755 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:39:51,845 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:40:06,959 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:40:38,401 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:40:53,891 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:41:09,115 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:41:24,244 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:41:39,355 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:41:54,457 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:42:09,784 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6650080 still processing
2025-07-05 10:42:12,430 [cuckoo.core.resultserver] DEBUG: Task #6650080: File upload for 'curtain/1751299167.44.curtain.log'
2025-07-05 10:42:12,433 [cuckoo.core.resultserver] DEBUG: Task #6650080 uploaded file length: 36
2025-07-05 10:42:13,041 [cuckoo.core.resultserver] DEBUG: Task #6650080: File upload for 'sysmon/1751299168.06.sysmon.xml'
2025-07-05 10:42:13,108 [cuckoo.core.resultserver] DEBUG: Task #6650080 uploaded file length: 9802670
2025-07-05 10:42:13,128 [cuckoo.core.resultserver] DEBUG: Task #6650080: File upload for 'files/fb8148beaf5544a9_system.exe'
2025-07-05 10:42:13,131 [cuckoo.core.resultserver] DEBUG: Task #6650080 uploaded file length: 57003
2025-07-05 10:42:13,132 [cuckoo.core.resultserver] DEBUG: Task #6650080: File upload for 'files/737fdea297810cc9_windows.exe'
2025-07-05 10:42:13,133 [cuckoo.core.resultserver] DEBUG: Task #6650080 uploaded file length: 57003
2025-07-05 10:42:13,418 [cuckoo.core.resultserver] DEBUG: Task #6650080 had connection reset for <Context for LOG>
2025-07-05 10:42:15,839 [cuckoo.core.guest] INFO: win7x6415: analysis completed successfully
2025-07-05 10:42:15,863 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-05 10:42:15,884 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-05 10:42:16,939 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6415 to path /srv/cuckoo/cwd/storage/analyses/6650080/memory.dmp
2025-07-05 10:42:16,953 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6415
2025-07-05 10:43:33,144 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.215 for task #6650080
2025-07-05 10:43:33,659 [cuckoo.core.scheduler] DEBUG: Released database task #6650080
2025-07-05 10:43:43,822 [cuckoo.core.scheduler] INFO: Task #6650080: analysis procedure completed

Signatures

Yara rules detected for file (2 events)
description (no description) rule UPX
description The packer/protector section names/keywords rule suspicious_packer_section
Allocates read-write-execute memory (usually to unpack itself) (9 events)
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 1312
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fefdb3f000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1312
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fefdb16000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1312
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fefdb16000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1312
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fefdb16000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1312
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fefb31b000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1312
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef3b04000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1312
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef3bb4000
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1312
region_size: 65536
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0000000002830000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1312
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fefd2c2000
process_handle: 0xffffffffffffffff
1 0 0
One or more processes crashed (1 event)
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
0x344d20
0x2b2e0a
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030

exception.instruction_r: 20 4d 34 00 00 00 00 00 20 4d 34 00 00 00 00 00
exception.instruction: and byte ptr [rbp + 0x34], cl
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x344d20
registers.r14: 1564
registers.r15: 70657
registers.rcx: 708
registers.rsi: 2535744
registers.r10: 0
registers.rbx: 0
registers.rsp: 1297192
registers.r11: 1310560
registers.r8: 2004320628
registers.r9: 0
registers.rdx: 816
registers.r12: 828
registers.rbp: 1297328
registers.rdi: 52260288
registers.rax: 2829824
registers.r13: 41616000
1 0 0
An application raised an exception which may be indicative of an exploit crash (2 events)
Application Crash Process iexplore.exe with pid 1312 crashed
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
0x344d20
0x2b2e0a
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030
0x7fe00000030

exception.instruction_r: 20 4d 34 00 00 00 00 00 20 4d 34 00 00 00 00 00
exception.instruction: and byte ptr [rbp + 0x34], cl
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x344d20
registers.r14: 1564
registers.r15: 70657
registers.rcx: 708
registers.rsi: 2535744
registers.r10: 0
registers.rbx: 0
registers.rsp: 1297192
registers.r11: 1310560
registers.r8: 2004320628
registers.r9: 0
registers.rdx: 816
registers.r12: 828
registers.rbp: 1297328
registers.rdi: 52260288
registers.rax: 2829824
registers.r13: 41616000
1 0 0
Foreign language identified in PE resource (1 event)
name RT_VERSION language LANG_CHINESE filetype data sublanguage SUBLANG_CHINESE_SIMPLIFIED offset 0x00028044 size 0x00000220
Creates executable files on the filesystem (2 events)
file c:\system.exe
file C:\Windows\windows.exe
Searches running processes potentially to identify processes for sandbox evasion, code injection or memory dumping (4 events)
Time & API Arguments Status Return Repeated

Process32NextW

 snapshot_handle: 0x000000f4
process_name: mobsync.exe
process_identifier: 1440
1 1 0

Process32NextW

 snapshot_handle: 0x000000f4
process_name: pythonw.exe
process_identifier: 2736
1 1 0

Process32NextW

 snapshot_handle: 0x000000f4
process_name: taskhost.exe
process_identifier: 2416
1 1 0

Process32NextW

 snapshot_handle: 0x000000f4
process_name: a7332d208e9d7a88_system.exe
process_identifier: 2768
1 1 0
Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) (1 event)
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 2768
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x01d30000
process_handle: 0xffffffff
1 0 0
The binary likely contains encrypted or compressed data indicative of a packer (2 events)
section {u'size_of_data': u'0x00007600', u'virtual_address': u'0x0001a000', u'entropy': 7.8650845085517735, u'name': u'UPX1', u'virtual_size': u'0x00008000'} entropy 7.86508450855 description A section with a high entropy has been found
entropy 0.54128440367 description Overall entropy of this PE file is high
The executable is compressed using UPX (2 events)
section UPX0 description Section name indicates UPX
section UPX1 description Section name indicates UPX
Uses Windows utilities for basic Windows functionality (2 events)
cmdline C:\Program Files\Internet Explorer\IEXPLORE.EXE http://www.212ok.com/Gbook.asp?qita
cmdline "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1312 CREDAT:275457 /prefetch:2
File has been identified by 12 AntiVirus engine on IRMA as malicious (12 events)
G Data Antivirus (Windows) Virus: Generic.Dacic.76A3436A.A.19A63A80 (Engine A), Win32.Trojan.PSE.76SMGI (Engine B)
Avast Core Security (Linux) Win32:MalwareX-gen [Trj]
C4S ClamAV (Linux) Win.Malware.Fvxvgjb-10038176-0
Trellix (Linux) GenericRXAE-GJ
WithSecure (Linux) Trojan.TR/Dropper.Gen
eScan Antivirus (Linux) Generic.Dacic.76A3436A.A.19A63A80(DB)
ESET Security (Windows) a variant of Win32/VB.PRB trojan
Sophos Anti-Virus (Linux) Mal/StartP-A
DrWeb Antivirus (Linux) Trojan.Click1.59924
ClamAV (Linux) Win.Malware.Fvxvgjb-10038176-0
Bitdefender Antivirus (Linux) Generic.Dacic.76A3436A.A.19A63A80
Emsisoft Commandline Scanner (Windows) Generic.Dacic.76A3436A.A.19A63A80 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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