Summary

1bc7913f2102350023683fb5061aca306af1c04f17c9c4a5d4f5e09d958bfad3

File 1bc7913f2102350023683fb5061aca306af1c04f17c9c4a5d4f5e09d958bfad3

Summary
Download Resubmit sample

Size 90.6KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 9013bd481db8edd1bb72271dc6122088
SHA1 51396d1b291e5cae225daace06f2c3360ff6587c
SHA256 1bc7913f2102350023683fb5061aca306af1c04f17c9c4a5d4f5e09d958bfad3
SHA512
1d95bda096af854f1958062b10dbc9e3fc3c05dd921c8063a3ac897d6855f60b4067c470b4bd15abc007f7bef5815ad4bc2aba0c4a7c37467621f86c2b97e1fc
CRC32 5B514343
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

6727542

6727543

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 13, 2025, 7:28 p.m. July 13, 2025, 7:36 p.m. 470 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-09 03:09:31,000 [analyzer] DEBUG: Starting analyzer from: C:\tmp4nivwu
2025-07-09 03:09:31,000 [analyzer] DEBUG: Pipe server name: \??\PIPE\ZwMcyuKdQXTOiLfrJmzPoimQZmlznLr
2025-07-09 03:09:31,000 [analyzer] DEBUG: Log pipe server name: \??\PIPE\nvvOvNTLyOmVwgmvDq
2025-07-09 03:09:31,250 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-09 03:09:31,250 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-09 03:09:31,828 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-09 03:09:32,030 [analyzer] DEBUG: Loaded monitor into process with pid 508
2025-07-09 03:09:32,030 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-09 03:09:32,030 [analyzer] DEBUG: Started auxiliary module Human
2025-07-09 03:09:32,030 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-09 03:09:32,030 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-09 03:09:32,125 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-09 03:09:32,125 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-09 03:09:32,125 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-09 03:09:32,125 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-09 03:09:32,250 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\1bc7913f2102350023683fb5061aca306af1c04f17c9c4a5d4f5e09d958bfad3.exe' with arguments '' and pid 2408
2025-07-09 03:09:32,483 [analyzer] DEBUG: Loaded monitor into process with pid 2408
2025-07-09 03:09:32,546 [analyzer] INFO: Added new file to list with pid 2408 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-09 03:09:32,562 [analyzer] INFO: Added new file to list with pid 2408 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-09 03:09:32,640 [analyzer] INFO: Injected into process with pid 2880 and name ''
2025-07-09 03:09:32,812 [analyzer] DEBUG: Loaded monitor into process with pid 2880
2025-07-09 03:09:32,890 [analyzer] INFO: Added new file to list with pid 2408 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-09 03:09:33,000 [analyzer] INFO: Added new file to list with pid 2408 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-09 03:09:33,858 [analyzer] INFO: Added new file to list with pid 2880 and path C:\System Restore.exe
2025-07-09 03:10:01,250 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-09 03:10:01,687 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-09 03:10:01,687 [lib.api.process] INFO: Successfully terminated process with pid 2408.
2025-07-09 03:10:01,687 [lib.api.process] INFO: Successfully terminated process with pid 2880.
2025-07-09 03:10:01,717 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-13 19:28:26,489 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:27,524 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:28,550 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:29,574 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:30,602 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:31,632 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:32,662 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:33,689 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:34,714 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:35,745 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:36,768 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:37,786 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:38,807 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:39,859 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:40,996 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:42,045 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:43,095 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:44,145 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:45,191 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:46,229 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:47,277 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:48,327 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:49,368 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:50,408 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:51,449 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:52,490 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:53,528 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:54,561 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:55,596 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:56,642 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:57,677 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:58,717 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:28:59,755 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:00,788 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:01,815 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:02,835 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:03,857 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:04,882 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:05,899 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:06,932 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:07,984 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:09,056 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:10,223 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:11,281 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:12,350 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:13,446 [cuckoo.core.scheduler] DEBUG: Task #6700400: no machine available yet
2025-07-13 19:29:14,725 [cuckoo.core.scheduler] INFO: Task #6700400: acquired machine win7x6424 (label=win7x6424)
2025-07-13 19:29:14,735 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.224 for task #6700400
2025-07-13 19:29:15,201 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 33297 (interface=vboxnet0, host=192.168.168.224)
2025-07-13 19:29:15,273 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6424
2025-07-13 19:29:16,228 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6424 to vmcloak
2025-07-13 19:32:26,433 [cuckoo.core.guest] INFO: Starting analysis #6700400 on guest (id=win7x6424, ip=192.168.168.224)
2025-07-13 19:32:27,440 [cuckoo.core.guest] DEBUG: win7x6424: not ready yet
2025-07-13 19:32:32,464 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6424, ip=192.168.168.224)
2025-07-13 19:32:32,527 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6424, ip=192.168.168.224, monitor=latest, size=6660546)
2025-07-13 19:32:34,039 [cuckoo.core.resultserver] DEBUG: Task #6700400: live log analysis.log initialized.
2025-07-13 19:32:35,024 [cuckoo.core.resultserver] DEBUG: Task #6700400 is sending a BSON stream
2025-07-13 19:32:35,429 [cuckoo.core.resultserver] DEBUG: Task #6700400 is sending a BSON stream
2025-07-13 19:32:35,789 [cuckoo.core.resultserver] DEBUG: Task #6700400 is sending a BSON stream
2025-07-13 19:32:36,387 [cuckoo.core.resultserver] DEBUG: Task #6700400: File upload for 'shots/0001.jpg'
2025-07-13 19:32:36,404 [cuckoo.core.resultserver] DEBUG: Task #6700400 uploaded file length: 133441
2025-07-13 19:32:48,760 [cuckoo.core.guest] DEBUG: win7x6424: analysis #6700400 still processing
2025-07-13 19:33:04,004 [cuckoo.core.guest] DEBUG: win7x6424: analysis #6700400 still processing
2025-07-13 19:33:04,526 [cuckoo.core.resultserver] DEBUG: Task #6700400: File upload for 'curtain/1752023401.47.curtain.log'
2025-07-13 19:33:04,528 [cuckoo.core.resultserver] DEBUG: Task #6700400 uploaded file length: 36
2025-07-13 19:33:04,719 [cuckoo.core.resultserver] DEBUG: Task #6700400: File upload for 'sysmon/1752023401.66.sysmon.xml'
2025-07-13 19:33:04,750 [cuckoo.core.resultserver] DEBUG: Task #6700400 uploaded file length: 1448576
2025-07-13 19:33:04,758 [cuckoo.core.resultserver] DEBUG: Task #6700400: File upload for 'files/e52ea899694b37fc_backup.exe'
2025-07-13 19:33:04,762 [cuckoo.core.resultserver] DEBUG: Task #6700400: File upload for 'files/d8ef080f4968c3cf_system restore.exe'
2025-07-13 19:33:04,765 [cuckoo.core.resultserver] DEBUG: Task #6700400 uploaded file length: 92732
2025-07-13 19:33:04,767 [cuckoo.core.resultserver] DEBUG: Task #6700400 uploaded file length: 92734
2025-07-13 19:33:04,772 [cuckoo.core.resultserver] DEBUG: Task #6700400: File upload for 'files/c0cf667cbbbdabcf_backup.exe'
2025-07-13 19:33:04,775 [cuckoo.core.resultserver] DEBUG: Task #6700400 uploaded file length: 92732
2025-07-13 19:33:05,320 [cuckoo.core.resultserver] DEBUG: Task #6700400 had connection reset for <Context for LOG>
2025-07-13 19:33:07,032 [cuckoo.core.guest] INFO: win7x6424: analysis completed successfully
2025-07-13 19:33:07,057 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-13 19:33:07,100 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-13 19:33:08,224 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6424 to path /srv/cuckoo/cwd/storage/analyses/6700400/memory.dmp
2025-07-13 19:33:08,225 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6424
2025-07-13 19:36:05,958 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.224 for task #6700400
2025-07-13 19:36:06,555 [cuckoo.core.scheduler] DEBUG: Released database task #6700400
2025-07-13 19:36:06,586 [cuckoo.core.scheduler] INFO: Task #6700400: 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:\System Restore.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: 2408
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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