Summary

c6c511601f7aac36_backup.exe

File c6c511601f7aac36_backup.exe

Summary
Download Resubmit sample

Size 122.8KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 1e80d0f88084227631d200193c7609f6
SHA1 e609e112095a25641448be6300e37c3e1f2318f0
SHA256 c6c511601f7aac3610d459b6c1f1b1bee2900e831c2b060b9dc878cc9ef2dde9
SHA512
7284a82a83f79893d5b031524b40c081f0ab3c58abad578d0dd6c4e5a02eb6b18ff831fcf32e3c34c765b08490e76e559667561c286fba07e2e02462564d31a7
CRC32 0FCE4260
ssdeep None
Yara
  • 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:6689158

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 16, 2025, 10:09 p.m. July 16, 2025, 10:16 p.m. 430 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-12 01:48:29,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpsgyfoe
2025-07-12 01:48:29,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\jRYNlOLOamXVsmEMpMsQvMlp
2025-07-12 01:48:29,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\FajCCxVgZCukGTcYHyDNvUWwWtrlIqb
2025-07-12 01:48:29,030 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-12 01:48:29,030 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-12 01:48:29,453 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-12 01:48:29,467 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-12 01:48:30,125 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-12 01:48:30,453 [analyzer] DEBUG: Loaded monitor into process with pid 516
2025-07-12 01:48:30,453 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-12 01:48:30,453 [analyzer] DEBUG: Started auxiliary module Human
2025-07-12 01:48:30,453 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-12 01:48:30,453 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-12 01:48:30,530 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-12 01:48:30,530 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-12 01:48:30,530 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-12 01:48:30,530 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-12 01:48:30,671 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\c6c511601f7aac36_backup.exe' with arguments '' and pid 2956
2025-07-12 01:48:30,890 [analyzer] DEBUG: Loaded monitor into process with pid 2956
2025-07-12 01:48:30,967 [analyzer] INFO: Added new file to list with pid 2956 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-12 01:48:30,983 [analyzer] INFO: Added new file to list with pid 2956 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-12 01:48:31,046 [analyzer] INFO: Injected into process with pid 2076 and name ''
2025-07-12 01:48:31,217 [analyzer] DEBUG: Loaded monitor into process with pid 2076
2025-07-12 01:48:31,280 [analyzer] INFO: Added new file to list with pid 2956 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-12 01:48:31,342 [analyzer] INFO: Added new file to list with pid 2956 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-12 01:48:32,265 [analyzer] INFO: Added new file to list with pid 2076 and path C:\backup.exe
2025-07-12 01:51:49,671 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-12 01:51:50,750 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-12 01:51:50,765 [lib.api.process] INFO: Successfully terminated process with pid 2956.
2025-07-12 01:51:50,765 [lib.api.process] INFO: Successfully terminated process with pid 2076.
2025-07-12 01:51:50,780 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-16 22:09:13,951 [cuckoo.core.scheduler] INFO: Task #6721778: acquired machine win7x6413 (label=win7x6413)
2025-07-16 22:09:13,952 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.213 for task #6721778
2025-07-16 22:09:14,372 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 3004218 (interface=vboxnet0, host=192.168.168.213)
2025-07-16 22:09:14,654 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6413
2025-07-16 22:09:15,685 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6413 to vmcloak
2025-07-16 22:11:07,849 [cuckoo.core.guest] INFO: Starting analysis #6721778 on guest (id=win7x6413, ip=192.168.168.213)
2025-07-16 22:11:08,868 [cuckoo.core.guest] DEBUG: win7x6413: not ready yet
2025-07-16 22:11:13,904 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6413, ip=192.168.168.213)
2025-07-16 22:11:13,995 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6413, ip=192.168.168.213, monitor=latest, size=6660546)
2025-07-16 22:11:15,693 [cuckoo.core.resultserver] DEBUG: Task #6721778: live log analysis.log initialized.
2025-07-16 22:11:17,128 [cuckoo.core.resultserver] DEBUG: Task #6721778 is sending a BSON stream
2025-07-16 22:11:17,547 [cuckoo.core.resultserver] DEBUG: Task #6721778 is sending a BSON stream
2025-07-16 22:11:17,874 [cuckoo.core.resultserver] DEBUG: Task #6721778 is sending a BSON stream
2025-07-16 22:11:18,359 [cuckoo.core.resultserver] DEBUG: Task #6721778: File upload for 'shots/0001.jpg'
2025-07-16 22:11:18,374 [cuckoo.core.resultserver] DEBUG: Task #6721778 uploaded file length: 133562
2025-07-16 22:11:30,476 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:11:45,750 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:12:01,837 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:12:17,036 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:12:32,198 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:12:47,361 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:13:02,489 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:13:17,569 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:13:32,668 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:13:47,900 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:14:03,013 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:14:18,108 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:14:33,301 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6721778 still processing
2025-07-16 22:14:36,624 [cuckoo.core.resultserver] DEBUG: Task #6721778: File upload for 'curtain/1752277909.88.curtain.log'
2025-07-16 22:14:36,627 [cuckoo.core.resultserver] DEBUG: Task #6721778 uploaded file length: 36
2025-07-16 22:14:37,367 [cuckoo.core.resultserver] DEBUG: Task #6721778: File upload for 'sysmon/1752277910.62.sysmon.xml'
2025-07-16 22:14:37,496 [cuckoo.core.resultserver] DEBUG: Task #6721778 uploaded file length: 9892830
2025-07-16 22:14:37,515 [cuckoo.core.resultserver] DEBUG: Task #6721778: File upload for 'files/ebc596f2167f3285_backup.exe'
2025-07-16 22:14:37,518 [cuckoo.core.resultserver] DEBUG: Task #6721778: File upload for 'files/3f2eb864ae783d24_backup.exe'
2025-07-16 22:14:37,521 [cuckoo.core.resultserver] DEBUG: Task #6721778: File upload for 'files/9c5fc2de9f4bf915_backup.exe'
2025-07-16 22:14:37,527 [cuckoo.core.resultserver] DEBUG: Task #6721778 uploaded file length: 125722
2025-07-16 22:14:37,529 [cuckoo.core.resultserver] DEBUG: Task #6721778 uploaded file length: 125720
2025-07-16 22:14:37,530 [cuckoo.core.resultserver] DEBUG: Task #6721778 uploaded file length: 125720
2025-07-16 22:14:37,544 [cuckoo.core.resultserver] DEBUG: Task #6721778 had connection reset for <Context for LOG>
2025-07-16 22:14:39,329 [cuckoo.core.guest] INFO: win7x6413: analysis completed successfully
2025-07-16 22:14:39,342 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-16 22:14:39,369 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-16 22:14:40,466 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6413 to path /srv/cuckoo/cwd/storage/analyses/6721778/memory.dmp
2025-07-16 22:14:40,467 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6413
2025-07-16 22:16:23,887 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.213 for task #6721778
2025-07-16 22:16:24,512 [cuckoo.core.scheduler] DEBUG: Released database task #6721778
2025-07-16 22:16:24,549 [cuckoo.core.scheduler] INFO: Task #6721778: analysis procedure completed

Signatures

Yara rule detected for file (1 event)
description The packer/protector section names/keywords rule suspicious_packer_section
Creates executable files on the filesystem (5 events)
file C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
file C:\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
Drops an executable to the user AppData folder (1 event)
file C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
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: 2956
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x003e0000
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'0x00003e00', u'virtual_address': u'0x00011000', u'entropy': 7.804677160000422, u'name': u'.pdata', u'virtual_size': u'0x00004000'} entropy 7.80467716 description A section with a high entropy has been found
entropy 0.260504201681 description Overall entropy of this PE file is high
Attempts to modify Explorer settings to prevent file extensions from being displayed (1 event)
registry HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt
Attempts to modify Explorer settings to prevent hidden files from being displayed (1 event)
registry HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Hidden
File has been identified by 13 AntiVirus engine on IRMA as malicious (13 events)
G Data Antivirus (Windows) Virus: Trojan.GenericKD.76484443 (Engine A), Win32.Trojan.Vilsel.B (Engine B)
Avast Core Security (Linux) Win32:Evo-gen [Trj]
C4S ClamAV (Linux) Win.Malware.Genpack-6989317-0
Trellix (Linux) Generic VB.z trojan
WithSecure (Linux) Trojan.TR/Crypt.ULPM.Gen
eScan Antivirus (Linux) Trojan.GenericKD.76484443(DB)
ESET Security (Windows) Win32/VB.OZA trojan
Sophos Anti-Virus (Linux) Troj/VB-LET
DrWeb Antivirus (Linux) Trojan.Copyself.102
ClamAV (Linux) Win.Malware.Genpack-6989317-0
Bitdefender Antivirus (Linux) Trojan.GenericKD.76484443
Kaspersky Standard (Windows) Trojan.Win32.Vilsel.loy
Emsisoft Commandline Scanner (Windows) Trojan.GenericKD.76484443 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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