Summary

5ac8c575ba8c8ccb3b03410688d23eef706d6467339785d8ac142dc38d284628

File 5ac8c575ba8c8ccb3b03410688d23eef706d6467339785d8ac142dc38d284628

Summary
Download Resubmit sample

Size 122.8KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 3ccd77b036245fd336cf69df389b3f1a
SHA1 0484c2c2c7bcd86e44141b7ae18f964ceaa9c06a
SHA256 5ac8c575ba8c8ccb3b03410688d23eef706d6467339785d8ac142dc38d284628
SHA512
e7027b453f72e1a0ec843e70d12d2b16f4a0e672953188a6ae2c63a460fc2cd2fed0041e2d11db4366999805430fc3afe7f708e4abe485f544ea96710da2ca1e
CRC32 7B688178
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

6721778

6721779

Feedback

Expecting different results? Send us this analysis and we will inspect it. Click here

Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 12, 2025, 1:40 a.m. July 12, 2025, 1:47 a.m. 421 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-08 16:16:21,015 [analyzer] DEBUG: Starting analyzer from: C:\tmppw5mq4
2025-07-08 16:16:21,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\FrptRRIpGjSDMVoPTZHv
2025-07-08 16:16:21,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\grzSYBwfhpTldMiDWZH
2025-07-08 16:16:21,421 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-08 16:16:21,421 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-08 16:16:22,342 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-08 16:16:22,562 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-08 16:16:22,562 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-08 16:16:22,562 [analyzer] DEBUG: Started auxiliary module Human
2025-07-08 16:16:22,562 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-08 16:16:22,562 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-08 16:16:22,750 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-08 16:16:22,750 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-08 16:16:22,750 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-08 16:16:22,750 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-08 16:16:22,953 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\5ac8c575ba8c8ccb3b03410688d23eef706d6467339785d8ac142dc38d284628.exe' with arguments '' and pid 656
2025-07-08 16:16:23,187 [analyzer] DEBUG: Loaded monitor into process with pid 656
2025-07-08 16:16:23,312 [analyzer] INFO: Added new file to list with pid 656 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-08 16:16:23,328 [analyzer] INFO: Added new file to list with pid 656 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-08 16:16:23,421 [analyzer] INFO: Injected into process with pid 176 and name ''
2025-07-08 16:16:23,625 [analyzer] DEBUG: Loaded monitor into process with pid 176
2025-07-08 16:16:23,733 [analyzer] INFO: Added new file to list with pid 656 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-08 16:16:23,905 [analyzer] INFO: Added new file to list with pid 656 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-08 16:16:24,687 [analyzer] INFO: Added new file to list with pid 176 and path C:\backup.exe
2025-07-08 16:16:51,967 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-08 16:16:52,375 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-08 16:16:52,375 [lib.api.process] INFO: Successfully terminated process with pid 656.
2025-07-08 16:16:52,375 [lib.api.process] INFO: Successfully terminated process with pid 176.
2025-07-08 16:16:52,405 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-12 01:40:34,659 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:35,706 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:36,745 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:37,771 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:38,798 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:39,825 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:40,848 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:41,866 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:42,887 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:43,915 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:44,940 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:45,963 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:46,989 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:48,050 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:49,104 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:50,171 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:51,393 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:52,464 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:53,515 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:54,771 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:55,873 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:56,968 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:58,234 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:40:59,316 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:41:00,400 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:41:01,474 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:41:02,547 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:41:03,598 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:41:04,738 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:41:05,855 [cuckoo.core.scheduler] DEBUG: Task #6689158: no machine available yet
2025-07-12 01:41:07,234 [cuckoo.core.scheduler] INFO: Task #6689158: acquired machine win7x646 (label=win7x646)
2025-07-12 01:41:07,236 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.206 for task #6689158
2025-07-12 01:41:07,948 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 221517 (interface=vboxnet0, host=192.168.168.206)
2025-07-12 01:41:08,727 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x646
2025-07-12 01:41:16,480 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x646 to vmcloak
2025-07-12 01:43:44,328 [cuckoo.core.guest] INFO: Starting analysis #6689158 on guest (id=win7x646, ip=192.168.168.206)
2025-07-12 01:43:45,335 [cuckoo.core.guest] DEBUG: win7x646: not ready yet
2025-07-12 01:43:50,363 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x646, ip=192.168.168.206)
2025-07-12 01:43:50,482 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x646, ip=192.168.168.206, monitor=latest, size=6660546)
2025-07-12 01:43:53,041 [cuckoo.core.resultserver] DEBUG: Task #6689158: live log analysis.log initialized.
2025-07-12 01:43:54,563 [cuckoo.core.resultserver] DEBUG: Task #6689158 is sending a BSON stream
2025-07-12 01:43:55,142 [cuckoo.core.resultserver] DEBUG: Task #6689158 is sending a BSON stream
2025-07-12 01:43:55,592 [cuckoo.core.resultserver] DEBUG: Task #6689158 is sending a BSON stream
2025-07-12 01:43:55,982 [cuckoo.core.resultserver] DEBUG: Task #6689158: File upload for 'shots/0001.jpg'
2025-07-12 01:43:56,006 [cuckoo.core.resultserver] DEBUG: Task #6689158 uploaded file length: 133443
2025-07-12 01:44:07,850 [cuckoo.core.guest] DEBUG: win7x646: analysis #6689158 still processing
2025-07-12 01:44:23,214 [cuckoo.core.guest] DEBUG: win7x646: analysis #6689158 still processing
2025-07-12 01:44:24,233 [cuckoo.core.resultserver] DEBUG: Task #6689158: File upload for 'curtain/1751984212.17.curtain.log'
2025-07-12 01:44:24,237 [cuckoo.core.resultserver] DEBUG: Task #6689158 uploaded file length: 36
2025-07-12 01:44:24,417 [cuckoo.core.resultserver] DEBUG: Task #6689158: File upload for 'sysmon/1751984212.34.sysmon.xml'
2025-07-12 01:44:24,444 [cuckoo.core.resultserver] DEBUG: Task #6689158 uploaded file length: 1612140
2025-07-12 01:44:24,454 [cuckoo.core.resultserver] DEBUG: Task #6689158: File upload for 'files/ef19db878df5745d_backup.exe'
2025-07-12 01:44:24,458 [cuckoo.core.resultserver] DEBUG: Task #6689158 uploaded file length: 125716
2025-07-12 01:44:24,460 [cuckoo.core.resultserver] DEBUG: Task #6689158: File upload for 'files/c6c511601f7aac36_backup.exe'
2025-07-12 01:44:24,463 [cuckoo.core.resultserver] DEBUG: Task #6689158 uploaded file length: 125718
2025-07-12 01:44:24,864 [cuckoo.core.resultserver] DEBUG: Task #6689158 had connection reset for <Context for LOG>
2025-07-12 01:44:26,229 [cuckoo.core.guest] INFO: win7x646: analysis completed successfully
2025-07-12 01:44:26,241 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-12 01:44:26,268 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-12 01:44:27,768 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x646 to path /srv/cuckoo/cwd/storage/analyses/6689158/memory.dmp
2025-07-12 01:44:27,769 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x646
2025-07-12 01:47:34,430 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.206 for task #6689158
2025-07-12 01:47:35,650 [cuckoo.core.scheduler] DEBUG: Released database task #6689158
2025-07-12 01:47:35,673 [cuckoo.core.scheduler] INFO: Task #6689158: 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: 656
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

We're processing your submission... This could take a few seconds.