Summary

a46d6f9493e699bb445276642b8139e0439aa829a5d3d1b8c44cab3a164291ed

File a46d6f9493e699bb445276642b8139e0439aa829a5d3d1b8c44cab3a164291ed

Summary
Download Resubmit sample

Size 61.5KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 ce3b52d32b4729d8532da93503065b74
SHA1 2a8918aef2981fdd5b69608b89cd367139c7a6b3
SHA256 a46d6f9493e699bb445276642b8139e0439aa829a5d3d1b8c44cab3a164291ed
SHA512
d321de54cfe28131bc127387a2708e4c881635fc641c5172cb0dad3d98e3783bb93f9d5b20debfd130e3198be106f44f8c20c9a7e2ab27dae276f28372bd1e9a
CRC32 7BDE1CB7
ssdeep None
Yara
  • anti_dbg - Checks if being debugged
  • network_http - Communications over HTTP
  • win_mutex - Create or check mutex
  • win_registry - Affect system registries
  • win_files_operation - Affect private profile

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

6732358

6732359

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 14, 2025, 12:58 p.m. July 14, 2025, 12:59 p.m. 72 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-09 07:33:50,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpblqbwr
2025-07-09 07:33:50,046 [analyzer] DEBUG: Pipe server name: \??\PIPE\dwKRsctedTfZPKvplMiYMtkWcuLcukXH
2025-07-09 07:33:50,046 [analyzer] DEBUG: Log pipe server name: \??\PIPE\auCTwJoUENdIrMLuvWhj
2025-07-09 07:33:50,280 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-09 07:33:50,280 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-09 07:33:50,671 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-09 07:33:50,858 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-09 07:33:50,858 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-09 07:33:50,858 [analyzer] DEBUG: Started auxiliary module Human
2025-07-09 07:33:50,858 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-09 07:33:50,858 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-09 07:33:50,937 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-09 07:33:50,937 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-09 07:33:50,937 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-09 07:33:50,937 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-09 07:33:51,062 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\a46d6f9493e699bb445276642b8139e0439aa829a5d3d1b8c44cab3a164291ed.exe' with arguments '' and pid 2772
2025-07-09 07:33:51,250 [analyzer] DEBUG: Loaded monitor into process with pid 2772
2025-07-09 07:33:51,265 [analyzer] INFO: Added new file to list with pid 2772 and path C:\Users\Administrator\AppData\Roaming\v9g0134h.exe
2025-07-09 07:33:51,375 [analyzer] INFO: Injected into process with pid 2380 and name u'v9g0134h.exe'
2025-07-09 07:33:51,546 [analyzer] DEBUG: Loaded monitor into process with pid 2380
2025-07-09 07:33:51,546 [analyzer] INFO: Added new file to list with pid 2380 and path C:\Users\Administrator\AppData\Roaming\umcuwp8de.exe
2025-07-09 07:33:51,655 [analyzer] INFO: Injected into process with pid 176 and name u'umcuwp8de.exe'
2025-07-09 07:33:51,842 [analyzer] DEBUG: Loaded monitor into process with pid 176
2025-07-09 07:34:20,062 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-09 07:34:20,483 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-09 07:34:20,483 [lib.api.process] INFO: Successfully terminated process with pid 2772.
2025-07-09 07:34:20,483 [lib.api.process] INFO: Successfully terminated process with pid 2380.
2025-07-09 07:34:20,483 [lib.api.process] INFO: Successfully terminated process with pid 176.
2025-07-09 07:34:20,515 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-14 12:58:12,339 [cuckoo.core.scheduler] INFO: Task #6705059: acquired machine win7x6418 (label=win7x6418)
2025-07-14 12:58:12,341 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.218 for task #6705059
2025-07-14 12:58:12,685 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 1711777 (interface=vboxnet0, host=192.168.168.218)
2025-07-14 12:58:12,758 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6418
2025-07-14 12:58:13,591 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6418 to vmcloak
2025-07-14 12:58:23,665 [cuckoo.core.guest] INFO: Starting analysis #6705059 on guest (id=win7x6418, ip=192.168.168.218)
2025-07-14 12:58:24,673 [cuckoo.core.guest] DEBUG: win7x6418: not ready yet
2025-07-14 12:58:29,708 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6418, ip=192.168.168.218)
2025-07-14 12:58:29,842 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6418, ip=192.168.168.218, monitor=latest, size=6660546)
2025-07-14 12:58:31,080 [cuckoo.core.resultserver] DEBUG: Task #6705059: live log analysis.log initialized.
2025-07-14 12:58:31,883 [cuckoo.core.resultserver] DEBUG: Task #6705059 is sending a BSON stream
2025-07-14 12:58:32,259 [cuckoo.core.resultserver] DEBUG: Task #6705059 is sending a BSON stream
2025-07-14 12:58:32,553 [cuckoo.core.resultserver] DEBUG: Task #6705059 is sending a BSON stream
2025-07-14 12:58:32,835 [cuckoo.core.resultserver] DEBUG: Task #6705059 is sending a BSON stream
2025-07-14 12:58:33,151 [cuckoo.core.resultserver] DEBUG: Task #6705059: File upload for 'shots/0001.jpg'
2025-07-14 12:58:33,166 [cuckoo.core.resultserver] DEBUG: Task #6705059 uploaded file length: 133441
2025-07-14 12:58:45,768 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6705059 still processing
2025-07-14 12:59:01,015 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6705059 still processing
2025-07-14 12:59:01,417 [cuckoo.core.resultserver] DEBUG: Task #6705059: File upload for 'curtain/1752039260.33.curtain.log'
2025-07-14 12:59:01,421 [cuckoo.core.resultserver] DEBUG: Task #6705059 uploaded file length: 36
2025-07-14 12:59:01,570 [cuckoo.core.resultserver] DEBUG: Task #6705059: File upload for 'sysmon/1752039260.48.sysmon.xml'
2025-07-14 12:59:01,583 [cuckoo.core.resultserver] DEBUG: Task #6705059 uploaded file length: 451502
2025-07-14 12:59:01,589 [cuckoo.core.resultserver] DEBUG: Task #6705059: File upload for 'files/02be62eb6e6ff64b_v9g0134h.exe'
2025-07-14 12:59:01,592 [cuckoo.core.resultserver] DEBUG: Task #6705059 uploaded file length: 62976
2025-07-14 12:59:01,595 [cuckoo.core.resultserver] DEBUG: Task #6705059: File upload for 'files/afa29518deb31dfa_umcuwp8de.exe'
2025-07-14 12:59:01,597 [cuckoo.core.resultserver] DEBUG: Task #6705059 uploaded file length: 62976
2025-07-14 12:59:02,249 [cuckoo.core.resultserver] DEBUG: Task #6705059 had connection reset for <Context for LOG>
2025-07-14 12:59:04,030 [cuckoo.core.guest] INFO: win7x6418: analysis completed successfully
2025-07-14 12:59:04,047 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-14 12:59:04,079 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-14 12:59:05,188 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6418 to path /srv/cuckoo/cwd/storage/analyses/6705059/memory.dmp
2025-07-14 12:59:05,190 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6418
2025-07-14 12:59:23,692 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.218 for task #6705059
2025-07-14 12:59:24,318 [cuckoo.core.scheduler] DEBUG: Released database task #6705059
2025-07-14 12:59:24,348 [cuckoo.core.scheduler] INFO: Task #6705059: analysis procedure completed

Signatures

Yara rules detected for file (5 events)
description Checks if being debugged rule anti_dbg
description Communications over HTTP rule network_http
description Create or check mutex rule win_mutex
description Affect system registries rule win_registry
description Affect private profile rule win_files_operation
HTTP traffic contains suspicious features which may be indicative of malware related traffic (1 event)
suspicious_features GET method with no useragent header suspicious_request GET http://mkkuei4kdsz.com/486/515.html
Performs some HTTP requests (1 event)
request GET http://mkkuei4kdsz.com/486/515.html
Creates executable files on the filesystem (2 events)
file C:\Users\Administrator\AppData\Roaming\v9g0134h.exe
file C:\Users\Administrator\AppData\Roaming\umcuwp8de.exe
Drops an executable to the user AppData folder (2 events)
file C:\Users\Administrator\AppData\Roaming\v9g0134h.exe
file C:\Users\Administrator\AppData\Roaming\umcuwp8de.exe
Checks adapter addresses which can be used to detect virtual network interfaces (1 event)
Time & API Arguments Status Return Repeated

GetAdaptersAddresses

 flags: 46
family: 0
1 0 0
Raised Suricata alerts (3 events)
suricata ThreatFox botnet C2 traffic (domain - confidence level: 100%)
suricata ET MALWARE Ransom.Win32.Birele.gsg Checkin
suricata ThreatFox botnet C2 traffic (url - confidence level: 75%)
Installs itself for autorun at Windows startup (2 events)
reg_key HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\yauayui reg_value C:\Users\Administrator\AppData\Roaming\v9g0134h.exe
reg_key HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\17no75 reg_value C:\Users\Administrator\AppData\Roaming\umcuwp8de.exe
Sets or modifies WPAD proxy autoconfiguration file for traffic interception (10 events)
Time & API Arguments Status Return Repeated

RegSetValueExW

 key_handle: 0x0000028c
regkey_r: WpadDecisionReason
reg_type: 4 (REG_DWORD)
value: 1
regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadDecisionReason
1 0 0

RegSetValueExW

 key_handle: 0x0000028c
regkey_r: WpadDecisionTime
reg_type: 3 (REG_BINARY)
value: ¶ˆgi©ðÛ
regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadDecisionTime
1 0 0

RegSetValueExW

 key_handle: 0x0000028c
regkey_r: WpadDecision
reg_type: 4 (REG_DWORD)
value: 0
regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadDecision
1 0 0

RegSetValueExW

 key_handle: 0x0000028c
regkey_r: WpadNetworkName
reg_type: 1 (REG_SZ)
value: Network
regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadNetworkName
1 0 0

RegSetValueExW

 key_handle: 0x000002d8
regkey_r: WpadDecisionReason
reg_type: 4 (REG_DWORD)
value: 1
regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionReason
1 0 0

RegSetValueExW

 key_handle: 0x000002d8
regkey_r: WpadDecisionTime
reg_type: 3 (REG_BINARY)
value: ¶ˆgi©ðÛ
regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionTime
1 0 0

RegSetValueExW

 key_handle: 0x000002d8
regkey_r: WpadDecision
reg_type: 4 (REG_DWORD)
value: 0
regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecision
1 0 0

RegSetValueExW

 key_handle: 0x000002d8
regkey_r: WpadDecisionReason
reg_type: 4 (REG_DWORD)
value: 1
regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionReason
1 0 0

RegSetValueExW

 key_handle: 0x000002d8
regkey_r: WpadDecisionTime
reg_type: 3 (REG_BINARY)
value: ¶ˆgi©ðÛ
regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionTime
1 0 0

RegSetValueExW

 key_handle: 0x000002d8
regkey_r: WpadDecision
reg_type: 4 (REG_DWORD)
value: 0
regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecision
1 0 0
File has been identified by 13 AntiVirus engine on IRMA as malicious (13 events)
G Data Antivirus (Windows) Virus: Generic.Dacic.1A7FA519.A.A43354F0 (Engine A), Win32.Trojan.PSE.14IDQ4O (Engine B)
Avast Core Security (Linux) Win32:Buterat-WQ [Trj]
C4S ClamAV (Linux) Win.Malware.Ulise-7170100-0
Trellix (Linux) GenericRXHT-PZ
WithSecure (Linux) Heuristic.HEUR/AGEN.1366724
eScan Antivirus (Linux) Generic.Dacic.1A7FA519.A.A43354F0(DB)
ESET Security (Windows) a variant of Win32/SpyVoltar.B trojan
Sophos Anti-Virus (Linux) Troj/Buterat-E
DrWeb Antivirus (Linux) BackDoor.Butirat.245
ClamAV (Linux) Win.Malware.Ulise-7170100-0
Bitdefender Antivirus (Linux) Generic.Dacic.1A7FA519.A.A43354F0
Kaspersky Standard (Windows) HEUR:Trojan.Win32.Generic
Emsisoft Commandline Scanner (Windows) Generic.Dacic.1A7FA519.A.A43354F0 (B)
File has been identified by 62 AntiVirus engines on VirusTotal as malicious (50 out of 62 events)
Bkav W32.AIDetectMalware
Cynet Malicious (score: 100)
CAT-QuickHeal Backdoor.ButeratPMF.S28341189
Skyhigh BehavesLike.Win32.Dropper.kh
ALYac Generic.Dacic.1A7FA519.A.A43354F0
Cylance Unsafe
VIPRE Generic.Dacic.1A7FA519.A.A43354F0
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Generic.Dacic.1A7FA519.A.A43354F0
K7GW Trojan ( 005b5adb1 )
K7AntiVirus Trojan ( 005b5adb1 )
Arcabit Generic.Dacic.1A7FA519.A.A43354F0
Symantec Infostealer.Scapzilla
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/SpyVoltar.B
APEX Malicious
Avast Win32:Buterat-WQ [Trj]
ClamAV Win.Malware.Ulise-7170100-0
Kaspersky VHO:Trojan-Downloader.Win32.Agent.gen
NANO-Antivirus Trojan.Win32.Butirat.kylcit
SUPERAntiSpyware Trojan.Agent/Gen-Downloader
MicroWorld-eScan Generic.Dacic.1A7FA519.A.A43354F0
Rising Trojan.Clicker!1.BC6E (CLASSIC)
Emsisoft Generic.Dacic.1A7FA519.A.A43354F0 (B)
F-Secure Heuristic.HEUR/AGEN.1366724
DrWeb BackDoor.Butirat.245
Zillya Trojan.SpyVoltar.Win32.450
McAfeeD Real Protect-LS!CE3B52D32B47
Trapmine suspicious.low.ml.score
CTX exe.unknown.dacic
Sophos Troj/Buterat-E
SentinelOne Static AI - Malicious PE
Jiangmin Trojan.Generic.hkwfh
Webroot W32.Trojan.Gen
Google Detected
Avira HEUR/AGEN.1366724
Antiy-AVL Trojan/Win32.SpyVoltar
Kingsoft malware.kb.a.992
Gridinsoft Trojan.Win32.Downloader.oa!s1
Xcitium TrojWare.Win32.Neconyd.A@8a2d6k
Microsoft Trojan:Win32/ButeRat!pz
ZoneAlarm Troj/Buterat-E
GData Win32.Trojan.PSE.14IDQ4O
Varist W32/S-b6e4fd03!Eldorado
AhnLab-V3 Trojan/Win32.Vundo.C223194
Acronis suspicious
VBA32 BScope.Backdoor.Butirat
TACHYON Trojan/W32.Vundo.62976.I
DeepInstinct MALICIOUS
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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