MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2cfa0b42f7aca7c87bd1a44c7583459f158ea1d739bd3ca018f463ab20c0d65. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Stop


Vendor detections: 16


Intelligence 16 IOCs YARA 11 File information Comments

SHA256 hash: d2cfa0b42f7aca7c87bd1a44c7583459f158ea1d739bd3ca018f463ab20c0d65
SHA3-384 hash: b6cba97fe0689408c13544362a66b073035236327004fecb8229d2486b4f77e1b0ef895e5d572877e7c5c311e0d93a0f
SHA1 hash: eaa68eed63c2237d441070e593f91fd94ce264ac
MD5 hash: 1fc8a6c5d500b0309cf8acfe9234cf1c
humanhash: vegan-music-pip-ceiling
File name:setup.exe
Download: download sample
Signature Stop
File size:881'152 bytes
First seen:2023-04-17 00:17:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 507dd4a49d032bd474a158854d830d17 (2 x Smoke Loader, 2 x Loki, 1 x Stop)
ssdeep 24576:UXH5yo2oJxyyMY3sGSajVWwxasTmTBA/z:U35YmyyMYnAsTmTBA/z
Threatray 1'686 similar samples on MalwareBazaar
TLSH T11A15E11253E1687CE5174A718E2AC6E83A5FF5605F567BDB37584A3F0A702E1C232BC8
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 04a4401024421129 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
266
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-17 00:18:37 UTC
Tags:
loader ransomware stop stealer vidar trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 847835 Sample: setup.exe Startdate: 17/04/2023 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Multi AV Scanner detection for domain / URL 2->70 72 Found malware configuration 2->72 74 12 other signatures 2->74 11 setup.exe 2->11         started        14 mstsca.exe 2->14         started        16 setup.exe 2->16         started        process3 signatures4 82 Detected unpacking (changes PE section rights) 11->82 84 Detected unpacking (overwrites its own PE header) 11->84 86 Writes a notice file (html or txt) to demand a ransom 11->86 88 2 other signatures 11->88 18 setup.exe 1 18 11->18         started        22 conhost.exe 11->22         started        24 schtasks.exe 1 14->24         started        process5 dnsIp6 66 api.2ip.ua 162.0.217.254, 443, 49683, 49684 ACPCA Canada 18->66 54 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 18->54 dropped 56 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 18->56 dropped 26 setup.exe 18->26         started        29 icacls.exe 18->29         started        31 conhost.exe 24->31         started        file7 process8 signatures9 80 Injects a PE file into a foreign processes 26->80 33 setup.exe 1 25 26->33         started        process10 dnsIp11 60 uaery.top 190.229.19.7, 49685, 80 TelecomArgentinaSAAR Argentina 33->60 62 zexeq.com 109.98.58.98, 49686, 49687, 80 RTDBucharestRomaniaRO Romania 33->62 64 2 other IPs or domains 33->64 46 C:\Users\user\...\_04.sqm.coza (copy), COM 33->46 dropped 48 C:\Users\user\...\BXAJUJAOEO.pdf.coza (copy), QDOS 33->48 dropped 50 C:\Users\user\Desktop\BXAJUJAOEO.pdf, QDOS 33->50 dropped 52 136 other files (134 malicious) 33->52 dropped 76 Modifies existing user documents (likely ransomware behavior) 33->76 38 build3.exe 1 33->38         started        file12 signatures13 process14 file15 58 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 38->58 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 38->78 42 schtasks.exe 1 38->42         started        signatures16 process17 process18 44 conhost.exe 42->44         started       
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:623db25256a5734d1207787d269d05b2 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/raud/get.php
https://steamcommunity.com/profiles/76561199494593681
https://t.me/auftriebs
Unpacked files
SH256 hash:
e892084cb3f248bef2d7d389f5ff494e177a9e40d3ff4e85d7645239da7e1f3d
MD5 hash:
9799764aa55979bbf3832c6de0e08a0b
SHA1 hash:
1af687cee76a364cb14e16232cb85a4c46099f0d
Detections:
win_stop_auto
SH256 hash:
d2cfa0b42f7aca7c87bd1a44c7583459f158ea1d739bd3ca018f463ab20c0d65
MD5 hash:
1fc8a6c5d500b0309cf8acfe9234cf1c
SHA1 hash:
eaa68eed63c2237d441070e593f91fd94ce264ac
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Telegram_Links
Rule name:Windows_Ransomware_Stop_1e8d48ff
Author:Elastic Security
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:win_vidar_a_a901
Author:Johannes Bader
Description:detect unpacked Vidar samples

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stop

Executable exe d2cfa0b42f7aca7c87bd1a44c7583459f158ea1d739bd3ca018f463ab20c0d65

(this sample)

  
Delivery method
Distributed via web download

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