Cuckoo Sandbox

File 602e38a7be0fd90c9628b0721c95fd7693498440bde6e4eca25baf077b84e358

Summary
Download Resubmit sample

Size	74.6KB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`c81b98fe25dd8213f25ca80aae127652`
SHA1	`9e42fd00bd3c240def02cd6ea9cff8e2757c9f19`
SHA256	`602e38a7be0fd90c9628b0721c95fd7693498440bde6e4eca25baf077b84e358`
SHA512	`a07f5f35af27ff8587cd761bf27de1a428f5c87a3be745b96e90eba405466498c7c2da705fbcf97dc847dc438aa252fbcaa35616a40003c5307d502bea268ea6`
CRC32	`4FEDBD2C`
ssdeep	`None`
Yara	suspicious_packer_section - The packer/protector section names/keywords CryptoLocker_rule2 - Detection of CryptoLocker Variants win_files_operation - Affect private profile

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

6725408

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Information on Execution

Analysis

Category	Started	Completed	Duration	Routing	Logs
FILE	July 13, 2025, 6:58 a.m.	July 13, 2025, 7:01 a.m.	169 seconds	internet	Show Analyzer Log Show Cuckoo Log

Analyzer Log

2025-07-08 23:00:19,030 [analyzer] DEBUG: Starting analyzer from: C:\tmpj6atou
2025-07-08 23:00:19,030 [analyzer] DEBUG: Pipe server name: \??\PIPE\NsJhRqUKJpfscPhHsdnTzEJdvhgCcId
2025-07-08 23:00:19,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\qmsZgWBEpXAuoysEuPTCUuuytcDb
2025-07-08 23:00:19,280 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-08 23:00:19,280 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-08 23:00:19,703 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-08 23:00:19,905 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-08 23:00:19,905 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-08 23:00:19,905 [analyzer] DEBUG: Started auxiliary module Human
2025-07-08 23:00:19,905 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-08 23:00:19,905 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-08 23:00:19,967 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-08 23:00:19,967 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-08 23:00:19,967 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-08 23:00:19,967 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-08 23:00:20,078 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\602e38a7be0fd90c9628b0721c95fd7693498440bde6e4eca25baf077b84e358.exe' with arguments '' and pid 3008
2025-07-08 23:00:20,280 [analyzer] DEBUG: Loaded monitor into process with pid 3008
2025-07-08 23:00:20,390 [analyzer] INFO: Added new file to list with pid 3008 and path C:\Users\Administrator\AppData\Local\Temp\pissa.exe
2025-07-08 23:00:20,562 [analyzer] INFO: Injected into process with pid 2016 and name u'pissa.exe'
2025-07-08 23:00:20,733 [analyzer] DEBUG: Loaded monitor into process with pid 2016
2025-07-08 23:00:21,092 [analyzer] INFO: Process with pid 3008 has terminated
2025-07-08 23:00:43,296 [analyzer] INFO: Added new file to list with pid 2016 and path C:\Users\Administrator\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
2025-07-08 23:00:43,296 [analyzer] INFO: Added new file to list with pid 2016 and path C:\Users\Administrator\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
2025-07-08 23:00:49,092 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-08 23:00:49,390 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-08 23:00:49,390 [lib.api.process] INFO: Successfully terminated process with pid 2016.
2025-07-08 23:00:49,405 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-13 06:58:16,374 [cuckoo.core.scheduler] INFO: Task #6697058: acquired machine win7x6416 (label=win7x6416)
2025-07-13 06:58:16,374 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.216 for task #6697058
2025-07-13 06:58:16,609 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 3020321 (interface=vboxnet0, host=192.168.168.216)
2025-07-13 06:58:16,755 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6416
2025-07-13 06:58:17,552 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6416 to vmcloak
2025-07-13 06:59:10,515 [cuckoo.core.guest] INFO: Starting analysis #6697058 on guest (id=win7x6416, ip=192.168.168.216)
2025-07-13 06:59:11,521 [cuckoo.core.guest] DEBUG: win7x6416: not ready yet
2025-07-13 06:59:16,553 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6416, ip=192.168.168.216)
2025-07-13 06:59:16,634 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6416, ip=192.168.168.216, monitor=latest, size=6660546)
2025-07-13 06:59:17,937 [cuckoo.core.resultserver] DEBUG: Task #6697058: live log analysis.log initialized.
2025-07-13 06:59:18,787 [cuckoo.core.resultserver] DEBUG: Task #6697058 is sending a BSON stream
2025-07-13 06:59:19,146 [cuckoo.core.resultserver] DEBUG: Task #6697058 is sending a BSON stream
2025-07-13 06:59:19,597 [cuckoo.core.resultserver] DEBUG: Task #6697058 is sending a BSON stream
2025-07-13 06:59:20,047 [cuckoo.core.resultserver] DEBUG: Task #6697058: File upload for 'shots/0001.jpg'
2025-07-13 06:59:20,069 [cuckoo.core.resultserver] DEBUG: Task #6697058 uploaded file length: 133564
2025-07-13 06:59:32,585 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6697058 still processing
2025-07-13 06:59:47,706 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6697058 still processing
2025-07-13 06:59:48,195 [cuckoo.core.resultserver] DEBUG: Task #6697058: File upload for 'curtain/1752008449.23.curtain.log'
2025-07-13 06:59:48,205 [cuckoo.core.resultserver] DEBUG: Task #6697058 uploaded file length: 36
2025-07-13 06:59:48,330 [cuckoo.core.resultserver] DEBUG: Task #6697058: File upload for 'sysmon/1752008449.38.sysmon.xml'
2025-07-13 06:59:48,337 [cuckoo.core.resultserver] DEBUG: Task #6697058: File upload for 'files/b58734ae3524c18e_94308059b57b3142e455b38a6eb92015'
2025-07-13 06:59:48,340 [cuckoo.core.resultserver] DEBUG: Task #6697058 uploaded file length: 344
2025-07-13 06:59:48,343 [cuckoo.core.resultserver] DEBUG: Task #6697058 uploaded file length: 933344
2025-07-13 06:59:48,348 [cuckoo.core.resultserver] DEBUG: Task #6697058: File upload for 'files/4c847e0c28733ed3_94308059b57b3142e455b38a6eb92015'
2025-07-13 06:59:48,351 [cuckoo.core.resultserver] DEBUG: Task #6697058: File upload for 'files/f2f4cc6adf6d1778_pissa.exe'
2025-07-13 06:59:48,352 [cuckoo.core.resultserver] DEBUG: Task #6697058 uploaded file length: 76590
2025-07-13 06:59:48,354 [cuckoo.core.resultserver] DEBUG: Task #6697058 uploaded file length: 73513
2025-07-13 06:59:48,862 [cuckoo.core.resultserver] DEBUG: Task #6697058 had connection reset for <Context for LOG>
2025-07-13 06:59:50,718 [cuckoo.core.guest] INFO: win7x6416: analysis completed successfully
2025-07-13 06:59:50,733 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-13 06:59:50,763 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-13 06:59:51,569 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6416 to path /srv/cuckoo/cwd/storage/analyses/6697058/memory.dmp
2025-07-13 06:59:51,572 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6416
2025-07-13 07:01:04,896 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.216 for task #6697058
2025-07-13 07:01:05,353 [cuckoo.core.scheduler] DEBUG: Released database task #6697058
2025-07-13 07:01:05,377 [cuckoo.core.scheduler] INFO: Task #6697058: analysis procedure completed

Signatures

Yara rules detected for file (3 events)

description	The packer/protector section names/keywords	rule	suspicious_packer_section
description	Detection of CryptoLocker Variants	rule	CryptoLocker_rule2
description	Affect private profile	rule	win_files_operation

Allocates read-write-execute memory (usually to unpack itself) (4 events)

Time & API	Arguments	Status
NtProtectVirtualMemory July 9, 2025, midnight	process_identifier: 3008 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 24576 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005f0000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 9, 2025, midnight	process_identifier: 3008 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00623000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 9, 2025, midnight	process_identifier: 2016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 24576 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01c40000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 9, 2025, midnight	process_identifier: 2016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01e13000 process_handle: 0xffffffff	1

Checks if process is being debugged by a debugger (2 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent July 9, 2025, midnight			0	0
IsDebuggerPresent July 9, 2025, midnight			0	0

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.vmp0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Creates executable files on the filesystem (1 event)

file	C:\Users\Administrator\AppData\Local\Temp\pissa.exe

Drops a binary and executes it (1 event)

file	C:\Users\Administrator\AppData\Local\Temp\pissa.exe

Drops an executable to the user AppData folder (1 event)

file	C:\Users\Administrator\AppData\Local\Temp\pissa.exe

A process created a hidden window (1 event)

Time & API	Arguments	Status	Return	Repeated
ShellExecuteExW July 9, 2025, midnight	show_type: 0 filepath_r: C:\Users\ADMINI~1\AppData\Local\Temp\pissa.exe parameters: filepath: C:\Users\Administrator\AppData\Local\Temp\pissa.exe	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 July 9, 2025, midnight	process_identifier: 3008 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x00621000 process_handle: 0xffffffff	1	0	0

Checks adapter addresses which can be used to detect virtual network interfaces (1 event)

Time & API	Arguments	Status	Return	Repeated
GetAdaptersAddresses July 9, 2025, midnight	flags: 46 family: 0	1	0	0

The executable is likely packed with VMProtect (1 event)

section

.vmp0

description

Section name indicates VMProtect

Sets or modifies WPAD proxy autoconfiguration file for traffic interception (10 events)

Time & API	Arguments	Status
RegSetValueExW July 9, 2025, midnight	key_handle: 0x0000059c regkey_r: WpadDecisionReason reg_type: 4 (REG_DWORD) value: 1 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadDecisionReason	1
RegSetValueExW July 9, 2025, midnight	key_handle: 0x0000059c regkey_r: WpadDecisionTime reg_type: 3 (REG_BINARY) value: H{ÚFuðÛ regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadDecisionTime	1
RegSetValueExW July 9, 2025, midnight	key_handle: 0x0000059c regkey_r: WpadDecision reg_type: 4 (REG_DWORD) value: 0 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadDecision	1
RegSetValueExW July 9, 2025, midnight	key_handle: 0x0000059c regkey_r: WpadNetworkName reg_type: 1 (REG_SZ) value: Network regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadNetworkName	1
RegSetValueExW July 9, 2025, midnight	key_handle: 0x0000048c regkey_r: WpadDecisionReason reg_type: 4 (REG_DWORD) value: 1 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionReason	1
RegSetValueExW July 9, 2025, midnight	key_handle: 0x0000048c regkey_r: WpadDecisionTime reg_type: 3 (REG_BINARY) value: H{ÚFuðÛ regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionTime	1
RegSetValueExW July 9, 2025, midnight	key_handle: 0x0000048c regkey_r: WpadDecision reg_type: 4 (REG_DWORD) value: 0 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecision	1
RegSetValueExW July 9, 2025, midnight	key_handle: 0x0000048c regkey_r: WpadDecisionReason reg_type: 4 (REG_DWORD) value: 1 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionReason	1
RegSetValueExW July 9, 2025, midnight	key_handle: 0x0000048c regkey_r: WpadDecisionTime reg_type: 3 (REG_BINARY) value: H{ÚFuðÛ regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionTime	1
RegSetValueExW July 9, 2025, midnight	key_handle: 0x0000048c regkey_r: WpadDecision reg_type: 4 (REG_DWORD) value: 0 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecision	1

File has been identified by 13 AntiVirus engine on IRMA as malicious (13 events)

G Data Antivirus (Windows)	Virus: Trojan.GenericKDZ.109048 (Engine A), Win32.Trojan-Downloader.Upatre.BJ (Engine B)
Avast Core Security (Linux)	Win32:Evo-gen [Trj]
C4S ClamAV (Linux)	Win.Trojan.Upatre-3335
Trellix (Linux)	Downloader-FTW
WithSecure (Linux)	Trojan.TR/Bublik.wgoc
eScan Antivirus (Linux)	Trojan.GenericKDZ.109048(DB)
ESET Security (Windows)	Win32/TrojanDownloader.Small.AAB trojan
Sophos Anti-Virus (Linux)	Troj/Agent-AECC
DrWeb Antivirus (Linux)	Trojan.DownLoad3.28161
ClamAV (Linux)	Win.Trojan.Upatre-3335
Bitdefender Antivirus (Linux)	Trojan.GenericKDZ.109048
Kaspersky Standard (Windows)	HEUR:Trojan.Win32.Bublik.pef
Emsisoft Commandline Scanner (Windows)	Trojan.GenericKDZ.109048 (B)

File has been identified by 65 AntiVirus engines on VirusTotal as malicious (50 out of 65 events)

Bkav	W32.FamVT.GeND.Trojan
Lionic	Trojan.Win32.Generic.lNlt
tehtris	Generic.Malware
Cynet	Malicious (score: 100)
Skyhigh	BehavesLike.Win32.PWSZbot.lm
ALYac	Trojan.GenericKDZ.109048
Cylance	Unsafe
VIPRE	Trojan.GenericKDZ.109048
Sangfor	Suspicious.Win32.Save.a
CrowdStrike	win/malicious_confidence_100% (W)
BitDefender	Trojan.GenericKDZ.109048
K7GW	Trojan-Downloader ( 004b8d141 )
K7AntiVirus	Trojan-Downloader ( 004b8d141 )
Arcabit	Trojan.Generic.D1A9F8
Baidu	Win32.Trojan-Downloader.Small.c
VirIT	Trojan.Win32.X-Fiha.GS
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (high confidence)
ESET-NOD32	Win32/TrojanDownloader.Small.AAB
APEX	Malicious
Avast	Win32:Evo-gen [Trj]
ClamAV	Win.Trojan.Upatre-3335
Kaspersky	HEUR:Trojan.Win32.Bublik.pef
Alibaba	TrojanPSW:Win32/Bublik.5d32b4fb
NANO-Antivirus	Trojan.Win32.DownLoad3.cqgpgw
MicroWorld-eScan	Trojan.GenericKDZ.109048
Rising	Malware.FakePDF/ICON!1.9C28 (CLASSIC)
Emsisoft	Trojan.GenericKDZ.109048 (B)
F-Secure	Trojan.TR/Bublik.wgoc
DrWeb	Trojan.DownLoad3.28161
Zillya	Trojan.Small.Win32.108630
McAfeeD	Real Protect-LS!C81B98FE25DD
Trapmine	malicious.high.ml.score
CTX	exe.trojan.bublik
Sophos	Troj/Agent-AECC
SentinelOne	Static AI - Malicious PE
Jiangmin	Trojan/Bublik.gdr
Webroot	W32.Trojan.Gen
Google	Detected
Avira	TR/Bublik.wgoc
Antiy-AVL	Trojan/Win32.Waski.a
Kingsoft	malware.kb.a.999
Gridinsoft	Malware.Win32.Gen.bot!se49786
Xcitium	TrojWare.Win32.Trojan.XPACK.Gen@2ho5ur
Microsoft	PWS:Win32/Zbot!pz
ZoneAlarm	Troj/Agent-AECC
GData	Win32.Trojan-Downloader.Upatre.BJ
Varist	W32/Trojan.QDKH-4745
AhnLab-V3	Win-Trojan/Agent.25600.AAV
Acronis	suspicious

Screenshots

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action	VT	Location
No hosts contacted.

Browser recommendation

File 602e38a7be0fd90c9628b0721c95fd7693498440bde6e4eca25baf077b84e358

Summary Download Resubmit sample

Score

Autosubmit

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Information on Execution

Analyzer Log

Cuckoo Log

Signatures

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Summary
Download Resubmit sample