Summary

8babfc01353771b7a3400de78649bc2e8a1d809cfea80bf63cd9d46a49c3f56b

File 8babfc01353771b7a3400de78649bc2e8a1d809cfea80bf63cd9d46a49c3f56b

Summary
Download Resubmit sample

Size 92.3KB
Type PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
MD5 dc6edd8eb2153da01a72c6e743ea7399
SHA1 d19d9fb6279bce312af3648eb0f9cc620bb3c432
SHA256 8babfc01353771b7a3400de78649bc2e8a1d809cfea80bf63cd9d46a49c3f56b
SHA512
97b818a3d43b0a57d867fbe9cc61c7212e4918e33821d8a348f842700f60d4928956303bd31d8cd4d3d0039df825823fcb8079f2673d2ea8e29ca7442d955d46
CRC32 32B38F6F
ssdeep None
Yara
  • suspicious_packer_section - The packer/protector section names/keywords
  • SEH__vba - (no description)
  • escalate_priv - Escalade priviledges
  • win_mutex - Create or check mutex
  • win_registry - Affect system registries
  • win_token - Affect system token

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

6727574

6727575

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 13, 2025, 7:39 p.m. July 13, 2025, 7:46 p.m. 443 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-09 03:09:45,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpd0os1j
2025-07-09 03:09:45,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\VKkniKlxZamSmsfbSdkgIUZsQUHnVVRa
2025-07-09 03:09:45,015 [analyzer] DEBUG: Log pipe server name: \??\PIPE\BHklXUAcvHoJZqMdMmCkNfpGT
2025-07-09 03:09:45,312 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-09 03:09:45,312 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-09 03:09:45,796 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-09 03:09:46,015 [analyzer] DEBUG: Loaded monitor into process with pid 512
2025-07-09 03:09:46,015 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-09 03:09:46,030 [analyzer] DEBUG: Started auxiliary module Human
2025-07-09 03:09:46,030 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-09 03:09:46,030 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-09 03:09:46,108 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-09 03:09:46,108 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-09 03:09:46,108 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-09 03:09:46,108 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-09 03:09:46,265 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\8babfc01353771b7a3400de78649bc2e8a1d809cfea80bf63cd9d46a49c3f56b.exe' with arguments '' and pid 2292
2025-07-09 03:09:46,515 [analyzer] DEBUG: Loaded monitor into process with pid 2292
2025-07-09 03:09:46,578 [analyzer] INFO: Added new file to list with pid 2292 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-09 03:09:46,592 [analyzer] INFO: Added new file to list with pid 2292 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-09 03:09:46,671 [analyzer] INFO: Injected into process with pid 1852 and name ''
2025-07-09 03:09:46,828 [analyzer] DEBUG: Loaded monitor into process with pid 1852
2025-07-09 03:09:46,890 [analyzer] INFO: Added new file to list with pid 2292 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\System Restore.exe
2025-07-09 03:09:46,967 [analyzer] INFO: Added new file to list with pid 2292 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-09 03:09:47,875 [analyzer] INFO: Added new file to list with pid 1852 and path C:\backup.exe
2025-07-09 03:10:15,265 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-09 03:10:16,140 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-09 03:10:16,140 [lib.api.process] INFO: Successfully terminated process with pid 2292.
2025-07-09 03:10:16,140 [lib.api.process] INFO: Successfully terminated process with pid 1852.
2025-07-09 03:10:16,171 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-13 19:39:19,686 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:20,736 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:21,890 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:22,947 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:23,987 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:25,022 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:26,054 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:27,130 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:28,174 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:29,223 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:30,255 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:31,297 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:32,357 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:33,395 [cuckoo.core.scheduler] DEBUG: Task #6700450: no machine available yet
2025-07-13 19:39:34,458 [cuckoo.core.scheduler] INFO: Task #6700450: acquired machine win7x6429 (label=win7x6429)
2025-07-13 19:39:34,459 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.229 for task #6700450
2025-07-13 19:39:34,859 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 47505 (interface=vboxnet0, host=192.168.168.229)
2025-07-13 19:39:34,944 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6429
2025-07-13 19:39:35,922 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6429 to vmcloak
2025-07-13 19:42:28,008 [cuckoo.core.guest] INFO: Starting analysis #6700450 on guest (id=win7x6429, ip=192.168.168.229)
2025-07-13 19:42:29,017 [cuckoo.core.guest] DEBUG: win7x6429: not ready yet
2025-07-13 19:42:34,047 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6429, ip=192.168.168.229)
2025-07-13 19:42:34,473 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6429, ip=192.168.168.229, monitor=latest, size=6660546)
2025-07-13 19:42:35,802 [cuckoo.core.resultserver] DEBUG: Task #6700450: live log analysis.log initialized.
2025-07-13 19:42:36,668 [cuckoo.core.resultserver] DEBUG: Task #6700450 is sending a BSON stream
2025-07-13 19:42:37,151 [cuckoo.core.resultserver] DEBUG: Task #6700450 is sending a BSON stream
2025-07-13 19:42:37,465 [cuckoo.core.resultserver] DEBUG: Task #6700450 is sending a BSON stream
2025-07-13 19:42:37,946 [cuckoo.core.resultserver] DEBUG: Task #6700450: File upload for 'shots/0001.jpg'
2025-07-13 19:42:37,971 [cuckoo.core.resultserver] DEBUG: Task #6700450 uploaded file length: 133352
2025-07-13 19:42:50,829 [cuckoo.core.guest] DEBUG: win7x6429: analysis #6700450 still processing
2025-07-13 19:43:06,213 [cuckoo.core.resultserver] DEBUG: Task #6700450: File upload for 'curtain/1752023415.48.curtain.log'
2025-07-13 19:43:06,220 [cuckoo.core.resultserver] DEBUG: Task #6700450 uploaded file length: 36
2025-07-13 19:43:06,251 [cuckoo.core.guest] DEBUG: win7x6429: analysis #6700450 still processing
2025-07-13 19:43:06,651 [cuckoo.core.resultserver] DEBUG: Task #6700450: File upload for 'sysmon/1752023415.72.sysmon.xml'
2025-07-13 19:43:06,864 [cuckoo.core.resultserver] DEBUG: Task #6700450 uploaded file length: 1696138
2025-07-13 19:43:06,871 [cuckoo.core.resultserver] DEBUG: Task #6700450: File upload for 'files/4678bb2d7a765b70_backup.exe'
2025-07-13 19:43:06,880 [cuckoo.core.resultserver] DEBUG: Task #6700450 uploaded file length: 94536
2025-07-13 19:43:06,884 [cuckoo.core.resultserver] DEBUG: Task #6700450: File upload for 'files/b5152728d0ad47d0_backup.exe'
2025-07-13 19:43:06,898 [cuckoo.core.resultserver] DEBUG: Task #6700450 uploaded file length: 94538
2025-07-13 19:43:06,918 [cuckoo.core.resultserver] DEBUG: Task #6700450 had connection reset for <Context for LOG>
2025-07-13 19:43:09,265 [cuckoo.core.guest] INFO: win7x6429: analysis completed successfully
2025-07-13 19:43:09,284 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-13 19:43:09,388 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-13 19:43:11,036 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6429 to path /srv/cuckoo/cwd/storage/analyses/6700450/memory.dmp
2025-07-13 19:43:11,037 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6429
2025-07-13 19:46:32,111 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.229 for task #6700450
2025-07-13 19:46:32,687 [cuckoo.core.scheduler] DEBUG: Released database task #6700450
2025-07-13 19:46:43,039 [cuckoo.core.scheduler] INFO: Task #6700450: analysis procedure completed

Signatures

Yara rules detected for file (6 events)
description The packer/protector section names/keywords rule suspicious_packer_section
description (no description) rule SEH__vba
description Escalade priviledges rule escalate_priv
description Create or check mutex rule win_mutex
description Affect system registries rule win_registry
description Affect system token rule win_token
The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)
section .imports
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\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\System Restore.exe
file C:\Users\Administrator\AppData\Local\Temp\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: 2292
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x004c0000
process_handle: 0xffffffff
1 0 0
The executable is compressed using UPX (2 events)
section UPX0 description Section name indicates UPX
section UPX1 description Section name indicates UPX
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 14 AntiVirus engine on IRMA as malicious (14 events)
G Data Antivirus (Windows) Virus: Trojan.GenericKD.44959075 (Engine A), Win32.Trojan.Vilsel.A (Engine B)
Avast Core Security (Linux) Win32:Vilsel-CT [Trj]
C4S ClamAV (Linux) Win.Malware.Genpack-6989317-0
Trend Micro SProtect (Linux) WORM_VILSEL.SMB
Trellix (Linux) Generic VB.z trojan
WithSecure (Linux) Trojan.TR/Dropper.Gen
eScan Antivirus (Linux) Trojan.GenericKD.44959075(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.44959075
Kaspersky Standard (Windows) Trojan.Win32.Vilsel.loy
Emsisoft Commandline Scanner (Windows) Trojan.GenericKD.44959075 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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