MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adf0b0f91fe741ac92131ff68352153b56c4f04212f4434ecf9fdb4447226216. 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: 15


Intelligence 15 IOCs YARA 10 File information Comments

SHA256 hash: adf0b0f91fe741ac92131ff68352153b56c4f04212f4434ecf9fdb4447226216
SHA3-384 hash: cb7f160867a7f5840b8e79d43abe5fb1115857f89651046c74c2a1c139c784f7a138c30107a0dc0e7b4c954f6ce549d5
SHA1 hash: bd5c0e36d6d5cad18fd9e72de717b177072d23e9
MD5 hash: 56f9dec6eccf780273b3b1eb499c6772
humanhash: alabama-nebraska-snake-thirteen
File name:file.exe
Download: download sample
Signature Stop
File size:847'360 bytes
First seen:2023-05-20 01:35:52 UTC
Last seen:2023-05-21 11:16:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ae9915252ab3bdca2ee2d4adbefb02c2 (6 x Stop, 4 x RedLineStealer, 3 x Amadey)
ssdeep 12288:RvMULQzUoz+T7SQrzsUJXzXGKcGwXlJxvwHk02wSGYV23ngkc26OP4aR9006drG:RtLQVYlQUZXRiXqEidYV2Jx6ODR9WNG
Threatray 1'782 similar samples on MalwareBazaar
TLSH T1A605E103A291AC61E5254A7A8D2ED6F8761DF950CF18BBDB220CAFEF14701E2C533756
TrID 39.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.5% (.SCR) Windows screen saver (13097/50/3)
13.3% (.EXE) Win64 Executable (generic) (10523/12/4)
8.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 84a0408060886000 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
257
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-05-20 01:36:26 UTC
Tags:
ransomware stop loader 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
Searching for the window
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
Sending a custom TCP request
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for synchronization primitives
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:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware packed
Result
Verdict:
UNKNOWN
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, Vidar
Detection:
malicious
Classification:
rans.spre.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
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses known network protocols on non-standard ports
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 Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 870801 Sample: file.exe Startdate: 20/05/2023 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic 2->88 90 Multi AV Scanner detection for domain / URL 2->90 92 Found malware configuration 2->92 94 11 other signatures 2->94 11 file.exe 2->11         started        14 file.exe 2->14         started        16 file.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 106 Detected unpacking (changes PE section rights) 11->106 108 Detected unpacking (overwrites its own PE header) 11->108 110 Writes a notice file (html or txt) to demand a ransom 11->110 112 Writes many files with high entropy 11->112 20 file.exe 1 18 11->20         started        114 Multi AV Scanner detection for dropped file 14->114 116 Machine Learning detection for dropped file 14->116 118 Injects a PE file into a foreign processes 14->118 24 file.exe 12 14->24         started        26 file.exe 16->26         started        28 file.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 76 api.2ip.ua 162.0.217.254, 443, 49694, 49695 ACPCA Canada 20->76 58 C:\Users\user\AppData\Local\...\file.exe, PE32 20->58 dropped 60 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 20->60 dropped 32 file.exe 20->32         started        35 icacls.exe 20->35         started        78 192.168.2.1 unknown unknown 24->78 37 conhost.exe 30->37         started        file7 process8 signatures9 86 Injects a PE file into a foreign processes 32->86 39 file.exe 1 25 32->39         started        process10 dnsIp11 80 colisumy.com 58.235.189.192, 49696, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 39->80 82 zexeq.com 211.40.39.251, 49697, 49699, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 39->82 84 api.2ip.ua 39->84 62 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->62 dropped 64 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 39->64 dropped 66 C:\_readme.txt, ASCII 39->66 dropped 68 322 other malicious files 39->68 dropped 102 Infects executable files (exe, dll, sys, html) 39->102 104 Modifies existing user documents (likely ransomware behavior) 39->104 44 build2.exe 39->44         started        47 build3.exe 39->47         started        file12 signatures13 process14 file15 120 Detected unpacking (changes PE section rights) 44->120 122 Detected unpacking (overwrites its own PE header) 44->122 124 Injects a PE file into a foreign processes 44->124 50 build2.exe 44->50         started        70 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 47->70 dropped 126 Uses schtasks.exe or at.exe to add and modify task schedules 47->126 54 schtasks.exe 47->54         started        signatures16 process17 dnsIp18 72 t.me 149.154.167.99, 443, 49700 TELEGRAMRU United Kingdom 50->72 74 5.75.234.140, 49719, 8333 HETZNER-ASDE Germany 50->74 96 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->96 98 Tries to harvest and steal browser information (history, passwords, etc) 50->98 100 Tries to steal Crypto Currency Wallets 50->100 56 conhost.exe 54->56         started        signatures19 process20
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2023-05-20 01:36:07 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:9dfa7ee730fa2f1efb5ed51dbbec22f5 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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, 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/test1/get.php
https://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
Unpacked files
SH256 hash:
323433aa5db127cd22f84d5c4f862561abecdd7028ace323996ceecb2558561b
MD5 hash:
3a6e53b85b72559d0db268d278a72993
SHA1 hash:
2f57c0d76227473c07bf11d3ab3ff673bdd72562
Detections:
win_stop_auto
SH256 hash:
adf0b0f91fe741ac92131ff68352153b56c4f04212f4434ecf9fdb4447226216
MD5 hash:
56f9dec6eccf780273b3b1eb499c6772
SHA1 hash:
bd5c0e36d6d5cad18fd9e72de717b177072d23e9
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:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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:Vidar
Author:kevoreilly,rony
Description:Vidar Payload
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.

File information


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

Web download

Stop

Executable exe adf0b0f91fe741ac92131ff68352153b56c4f04212f4434ecf9fdb4447226216

(this sample)

  
Delivery method
Distributed via web download

Comments