Summary

301af6e674565a87e9d58d498e4014f97408cbf748036680c8c8761b6f4be155

File 301af6e674565a87e9d58d498e4014f97408cbf748036680c8c8761b6f4be155

Summary
Download Resubmit sample

Size 89.5KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 017ff19e7fdc001e2fd756b0216e0820
SHA1 472d517e9c2c9ae35098d98378846e6a5e3f953b
SHA256 301af6e674565a87e9d58d498e4014f97408cbf748036680c8c8761b6f4be155
SHA512
39dacc1834a61952ea476ddfd37199a475346fb1edefc2e18b118235966a6e679fce29811c8d2a61bbb9c01bf58de7dae54c139196edf99e711ad41942046001
CRC32 6BE15847
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

6720730

6720731

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 11, 2025, 6:01 p.m. July 11, 2025, 6:08 p.m. 435 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-08 13:34:06,030 [analyzer] DEBUG: Starting analyzer from: C:\tmpwwr_kc
2025-07-08 13:34:06,030 [analyzer] DEBUG: Pipe server name: \??\PIPE\vEqFujjpAqdcBjsO
2025-07-08 13:34:06,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\tmQwvgEMxsmHMWLLzqQbWkZoclSDU
2025-07-08 13:34:06,312 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-08 13:34:06,312 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-08 13:34:06,828 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-08 13:34:07,030 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-08 13:34:07,030 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-08 13:34:07,030 [analyzer] DEBUG: Started auxiliary module Human
2025-07-08 13:34:07,030 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-08 13:34:07,030 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-08 13:34:07,108 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-08 13:34:07,108 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-08 13:34:07,108 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-08 13:34:07,125 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-08 13:34:07,265 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\301af6e674565a87e9d58d498e4014f97408cbf748036680c8c8761b6f4be155.exe' with arguments '' and pid 2708
2025-07-08 13:34:07,467 [analyzer] DEBUG: Loaded monitor into process with pid 2708
2025-07-08 13:34:07,530 [analyzer] INFO: Added new file to list with pid 2708 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-08 13:34:07,546 [analyzer] INFO: Added new file to list with pid 2708 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-08 13:34:07,608 [analyzer] INFO: Injected into process with pid 720 and name ''
2025-07-08 13:34:07,780 [analyzer] DEBUG: Loaded monitor into process with pid 720
2025-07-08 13:34:07,858 [analyzer] INFO: Added new file to list with pid 2708 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-08 13:34:07,937 [analyzer] INFO: Added new file to list with pid 2708 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-08 13:34:08,828 [analyzer] INFO: Added new file to list with pid 720 and path C:\backup.exe
2025-07-08 13:34:36,280 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-08 13:34:36,858 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-08 13:34:36,858 [lib.api.process] INFO: Successfully terminated process with pid 2708.
2025-07-08 13:34:36,858 [lib.api.process] INFO: Successfully terminated process with pid 720.
2025-07-08 13:34:36,905 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-11 18:01:02,862 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:03,888 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:04,920 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:05,956 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:06,991 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:08,007 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:09,060 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:10,188 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:11,321 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:12,348 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:13,372 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:14,410 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:15,450 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:16,502 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:17,564 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:18,622 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:19,683 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:20,729 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:21,922 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:23,070 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:24,123 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:25,181 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:26,232 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:27,465 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:28,506 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:29,569 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:30,746 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:31,821 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:33,031 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:34,064 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:35,156 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:36,445 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:37,481 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:38,508 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:40,096 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:41,118 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:42,141 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:43,467 [cuckoo.core.scheduler] DEBUG: Task #6687012: no machine available yet
2025-07-11 18:01:44,514 [cuckoo.core.scheduler] INFO: Task #6687012: acquired machine win7x645 (label=win7x645)
2025-07-11 18:01:44,516 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.205 for task #6687012
2025-07-11 18:01:44,904 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 3657745 (interface=vboxnet0, host=192.168.168.205)
2025-07-11 18:01:45,012 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x645
2025-07-11 18:01:45,890 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x645 to vmcloak
2025-07-11 18:05:14,865 [cuckoo.core.guest] INFO: Starting analysis #6687012 on guest (id=win7x645, ip=192.168.168.205)
2025-07-11 18:05:15,872 [cuckoo.core.guest] DEBUG: win7x645: not ready yet
2025-07-11 18:05:20,900 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x645, ip=192.168.168.205)
2025-07-11 18:05:21,010 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x645, ip=192.168.168.205, monitor=latest, size=6660546)
2025-07-11 18:05:22,515 [cuckoo.core.resultserver] DEBUG: Task #6687012: live log analysis.log initialized.
2025-07-11 18:05:23,486 [cuckoo.core.resultserver] DEBUG: Task #6687012 is sending a BSON stream
2025-07-11 18:05:23,915 [cuckoo.core.resultserver] DEBUG: Task #6687012 is sending a BSON stream
2025-07-11 18:05:24,340 [cuckoo.core.resultserver] DEBUG: Task #6687012 is sending a BSON stream
2025-07-11 18:05:24,755 [cuckoo.core.resultserver] DEBUG: Task #6687012: File upload for 'shots/0001.jpg'
2025-07-11 18:05:24,768 [cuckoo.core.resultserver] DEBUG: Task #6687012 uploaded file length: 133466
2025-07-11 18:05:37,428 [cuckoo.core.guest] DEBUG: win7x645: analysis #6687012 still processing
2025-07-11 18:05:52,924 [cuckoo.core.guest] DEBUG: win7x645: analysis #6687012 still processing
2025-07-11 18:05:53,005 [cuckoo.core.resultserver] DEBUG: Task #6687012: File upload for 'curtain/1751974476.48.curtain.log'
2025-07-11 18:05:53,008 [cuckoo.core.resultserver] DEBUG: Task #6687012 uploaded file length: 36
2025-07-11 18:05:53,211 [cuckoo.core.resultserver] DEBUG: Task #6687012: File upload for 'sysmon/1751974476.69.sysmon.xml'
2025-07-11 18:05:53,394 [cuckoo.core.resultserver] DEBUG: Task #6687012 uploaded file length: 1785564
2025-07-11 18:05:53,404 [cuckoo.core.resultserver] DEBUG: Task #6687012: File upload for 'files/dad26f38bc8b6fad_backup.exe'
2025-07-11 18:05:53,408 [cuckoo.core.resultserver] DEBUG: Task #6687012 uploaded file length: 91636
2025-07-11 18:05:53,411 [cuckoo.core.resultserver] DEBUG: Task #6687012: File upload for 'files/61fb0e75e4f29248_backup.exe'
2025-07-11 18:05:53,436 [cuckoo.core.resultserver] DEBUG: Task #6687012 uploaded file length: 91638
2025-07-11 18:05:53,572 [cuckoo.core.resultserver] DEBUG: Task #6687012 had connection reset for <Context for LOG>
2025-07-11 18:05:55,939 [cuckoo.core.guest] INFO: win7x645: analysis completed successfully
2025-07-11 18:05:55,959 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-11 18:05:55,992 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-11 18:05:57,242 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x645 to path /srv/cuckoo/cwd/storage/analyses/6687012/memory.dmp
2025-07-11 18:05:57,245 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x645
2025-07-11 18:08:17,483 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.205 for task #6687012
2025-07-11 18:08:18,123 [cuckoo.core.scheduler] DEBUG: Released database task #6687012
2025-07-11 18:08:18,162 [cuckoo.core.scheduler] INFO: Task #6687012: 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: 2708
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x004d0000
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 14 AntiVirus engine on IRMA as malicious (14 events)
G Data Antivirus (Windows) Virus: Trojan.Generic.4385790 (Engine A), Win32.Trojan.Vilsel.B (Engine B)
Avast Core Security (Linux) Win32:Evo-gen [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/Crypt.ULPM.Gen
eScan Antivirus (Linux) Trojan.Generic.4385790(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.Generic.4385790
Kaspersky Standard (Windows) Trojan.Win32.Vilsel.loy
Emsisoft Commandline Scanner (Windows) Trojan.Generic.4385790 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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