Summary

d8ef080f4968c3cf_system restore.exe

File d8ef080f4968c3cf_system restore.exe

Summary
Download Resubmit sample

Size 90.6KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 5b327526f718e457f3f980c3401a892a
SHA1 af45153591808e5b668c9bf3d8cbed7fe5233575
SHA256 d8ef080f4968c3cfef12374a72fd86daea78b804609dd3f67c5dafd8c39cf9b1
SHA512
ec740b9f209b1160d6e85bdb9891a0466a1b46c343b83f98efefef97a7f5cfab23de647da9a6bc1c5e33f4c9720271e91fee88a0d03504d2022f62fc711f2e15
CRC32 F104A981
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

Parent_Task_ID:6700400

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 17, 2025, 4:16 p.m. July 17, 2025, 4:24 p.m. 510 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-13 19:36:50,000 [analyzer] DEBUG: Starting analyzer from: C:\tmpwwr_kc
2025-07-13 19:36:50,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\siaeSmCnbQlJubMVpXGtA
2025-07-13 19:36:50,015 [analyzer] DEBUG: Log pipe server name: \??\PIPE\QVwQeyfywhkHctAldCIIyVYaiADJEz
2025-07-13 19:36:50,015 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-13 19:36:50,015 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-13 19:36:50,296 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-13 19:36:50,296 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-13 19:36:50,875 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-13 19:36:51,108 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-13 19:36:51,125 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-13 19:36:51,125 [analyzer] DEBUG: Started auxiliary module Human
2025-07-13 19:36:51,125 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-13 19:36:51,125 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-13 19:36:51,187 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-13 19:36:51,187 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-13 19:36:51,187 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-13 19:36:51,203 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-13 19:36:51,328 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\d8ef080f4968c3cf_system restore.exe' with arguments '' and pid 3004
2025-07-13 19:36:51,530 [analyzer] DEBUG: Loaded monitor into process with pid 3004
2025-07-13 19:36:51,592 [analyzer] INFO: Added new file to list with pid 3004 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-13 19:36:51,625 [analyzer] INFO: Added new file to list with pid 3004 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-13 19:36:51,703 [analyzer] INFO: Injected into process with pid 2152 and name ''
2025-07-13 19:36:51,858 [analyzer] DEBUG: Loaded monitor into process with pid 2152
2025-07-13 19:36:51,921 [analyzer] INFO: Added new file to list with pid 3004 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-13 19:36:52,000 [analyzer] INFO: Added new file to list with pid 3004 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-13 19:36:52,905 [analyzer] INFO: Added new file to list with pid 2152 and path C:\backup.exe
2025-07-13 19:40:10,328 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-13 19:40:11,375 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-13 19:40:11,375 [lib.api.process] INFO: Successfully terminated process with pid 3004.
2025-07-13 19:40:11,375 [lib.api.process] INFO: Successfully terminated process with pid 2152.
2025-07-13 19:40:11,405 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-17 16:16:09,770 [cuckoo.core.scheduler] INFO: Task #6727543: acquired machine win7x645 (label=win7x645)
2025-07-17 16:16:09,772 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.205 for task #6727543
2025-07-17 16:16:10,333 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 584858 (interface=vboxnet0, host=192.168.168.205)
2025-07-17 16:16:10,659 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x645
2025-07-17 16:16:12,024 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x645 to vmcloak
2025-07-17 16:18:24,532 [cuckoo.core.guest] INFO: Starting analysis #6727543 on guest (id=win7x645, ip=192.168.168.205)
2025-07-17 16:18:25,538 [cuckoo.core.guest] DEBUG: win7x645: not ready yet
2025-07-17 16:18:30,566 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x645, ip=192.168.168.205)
2025-07-17 16:18:30,867 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x645, ip=192.168.168.205, monitor=latest, size=6660546)
2025-07-17 16:18:32,195 [cuckoo.core.resultserver] DEBUG: Task #6727543: live log analysis.log initialized.
2025-07-17 16:18:33,255 [cuckoo.core.resultserver] DEBUG: Task #6727543 is sending a BSON stream
2025-07-17 16:18:33,661 [cuckoo.core.resultserver] DEBUG: Task #6727543 is sending a BSON stream
2025-07-17 16:18:33,989 [cuckoo.core.resultserver] DEBUG: Task #6727543 is sending a BSON stream
2025-07-17 16:18:34,502 [cuckoo.core.resultserver] DEBUG: Task #6727543: File upload for 'shots/0001.jpg'
2025-07-17 16:18:34,514 [cuckoo.core.resultserver] DEBUG: Task #6727543 uploaded file length: 133493
2025-07-17 16:18:46,933 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:19:02,155 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:19:17,369 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:19:33,313 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:19:48,411 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:20:03,755 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:20:18,891 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:20:34,006 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:20:49,135 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:21:04,283 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:21:19,977 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:21:35,666 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:21:50,958 [cuckoo.core.guest] DEBUG: win7x645: analysis #6727543 still processing
2025-07-17 16:21:52,751 [cuckoo.core.resultserver] DEBUG: Task #6727543: File upload for 'curtain/1752428410.52.curtain.log'
2025-07-17 16:21:52,755 [cuckoo.core.resultserver] DEBUG: Task #6727543 uploaded file length: 36
2025-07-17 16:21:53,519 [cuckoo.core.resultserver] DEBUG: Task #6727543: File upload for 'sysmon/1752428411.28.sysmon.xml'
2025-07-17 16:21:53,606 [cuckoo.core.resultserver] DEBUG: Task #6727543 uploaded file length: 10345964
2025-07-17 16:21:53,623 [cuckoo.core.resultserver] DEBUG: Task #6727543: File upload for 'files/f777ce2ee88ac67c_backup.exe'
2025-07-17 16:21:53,626 [cuckoo.core.resultserver] DEBUG: Task #6727543: File upload for 'files/3ecedae629f9e323_backup.exe'
2025-07-17 16:21:53,629 [cuckoo.core.resultserver] DEBUG: Task #6727543 uploaded file length: 92736
2025-07-17 16:21:53,630 [cuckoo.core.resultserver] DEBUG: Task #6727543 uploaded file length: 92738
2025-07-17 16:21:53,634 [cuckoo.core.resultserver] DEBUG: Task #6727543: File upload for 'files/096bdcd3e427b18b_backup.exe'
2025-07-17 16:21:53,636 [cuckoo.core.resultserver] DEBUG: Task #6727543 uploaded file length: 92736
2025-07-17 16:21:53,660 [cuckoo.core.resultserver] DEBUG: Task #6727543 had connection reset for <Context for LOG>
2025-07-17 16:21:53,971 [cuckoo.core.guest] INFO: win7x645: analysis completed successfully
2025-07-17 16:21:53,984 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-17 16:21:54,006 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-17 16:21:55,752 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x645 to path /srv/cuckoo/cwd/storage/analyses/6727543/memory.dmp
2025-07-17 16:21:55,755 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x645
2025-07-17 16:24:40,180 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.205 for task #6727543
2025-07-17 16:24:40,546 [cuckoo.core.scheduler] DEBUG: Released database task #6727543
2025-07-17 16:24:40,557 [cuckoo.core.scheduler] INFO: Task #6727543: 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: 3004
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x00360000
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.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
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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