MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a0b4cb2e8b68882e37d49cc0dc6d2cd32bea57930015a2ca926475fc5c6f01d. 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 6 File information Comments

SHA256 hash: 8a0b4cb2e8b68882e37d49cc0dc6d2cd32bea57930015a2ca926475fc5c6f01d
SHA3-384 hash: aeab99208a80336635b48bf9cf7c3e1b5f2f0c16a1e14ec67fe41c8a5d2c499efa3e11d20442368bb0777e48ce49a68a
SHA1 hash: 6ca1ab84e27f0f187f316a52be4fffb488dbac7b
MD5 hash: ea57cc8cedbe32db2bf79a3bb25659c4
humanhash: comet-south-blossom-lima
File name:8a0b4cb2e8b68882e37d49cc0dc6d2cd32bea57930015a2ca926475fc5c6f01d.exe
Download: download sample
Signature Stop
File size:730'624 bytes
First seen:2023-05-23 14:23:02 UTC
Last seen:2023-05-23 14:40:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a97f0c467cfd5c05bae35b554cfbdc5e (3 x Smoke Loader, 2 x RedLineStealer, 2 x Stop)
ssdeep 12288:3z4IOi/M3HOgU6mwqConpsrxn+f3I5ki6Gnw2tjs0Rt2/:jT6egJmwqCopsrx+Q5kyF1s6t2
Threatray 1'855 similar samples on MalwareBazaar
TLSH T148F4126332C58435E57316318AB5C9A28EB7B8B19BB155CB3F841A3F4E292C1DB34367
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 1030308664684c04 (1 x Stop)
Reporter Neiki
Tags:Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
123
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
8a0b4cb2e8b68882e37d49cc0dc6d2cd32bea57930015a2ca926475fc5c6f01d.exe
Verdict:
Malicious activity
Analysis date:
2023-05-23 14:25:45 UTC
Tags:
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
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
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
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, Vidar
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 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 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)
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
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 873926 Sample: 65y29Tom4l.exe Startdate: 23/05/2023 Architecture: WINDOWS Score: 100 86 Snort IDS alert for network traffic 2->86 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 13 other signatures 2->92 11 65y29Tom4l.exe 2->11         started        14 65y29Tom4l.exe 2->14         started        16 65y29Tom4l.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 102 Detected unpacking (changes PE section rights) 11->102 104 Detected unpacking (overwrites its own PE header) 11->104 106 Writes a notice file (html or txt) to demand a ransom 11->106 108 Writes many files with high entropy 11->108 20 65y29Tom4l.exe 1 16 11->20         started        110 Multi AV Scanner detection for dropped file 14->110 112 Machine Learning detection for dropped file 14->112 114 Injects a PE file into a foreign processes 14->114 24 65y29Tom4l.exe 12 14->24         started        26 65y29Tom4l.exe 16->26         started        28 65y29Tom4l.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 76 api.2ip.ua 162.0.217.254, 443, 49699, 49700 ACPCA Canada 20->76 58 C:\Users\user\AppData\...\65y29Tom4l.exe, PE32 20->58 dropped 60 C:\Users\...\65y29Tom4l.exe:Zone.Identifier, ASCII 20->60 dropped 32 65y29Tom4l.exe 20->32         started        35 icacls.exe 20->35         started        37 conhost.exe 30->37         started        file7 process8 signatures9 84 Injects a PE file into a foreign processes 32->84 39 65y29Tom4l.exe 1 24 32->39         started        process10 dnsIp11 78 colisumy.com 211.59.14.90, 49701, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 39->78 80 zexeq.com 211.40.39.251, 49702, 49704, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 39->80 82 api.2ip.ua 39->82 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 68 130 other malicious files 39->68 dropped 100 Modifies existing user documents (likely ransomware behavior) 39->100 44 build2.exe 39->44         started        47 build3.exe 39->47         started        file12 signatures13 process14 file15 116 Detected unpacking (changes PE section rights) 44->116 118 Detected unpacking (overwrites its own PE header) 44->118 120 Injects a PE file into a foreign processes 44->120 50 build2.exe 44->50         started        70 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 47->70 dropped 122 Uses schtasks.exe or at.exe to add and modify task schedules 47->122 54 schtasks.exe 47->54         started        signatures16 process17 dnsIp18 72 t.me 149.154.167.99, 443, 49705 TELEGRAMRU United Kingdom 50->72 74 116.202.7.239, 30303, 49706 HETZNER-ASDE Germany 50->74 94 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->94 96 Tries to harvest and steal browser information (history, passwords, etc) 50->96 98 Tries to steal Crypto Currency Wallets 50->98 56 conhost.exe 54->56         started        signatures19 process20
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-05-23 14:24:05 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:e44c96dfdf315ccf17cdd4b93cfe6e48 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
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/test1/get.php
https://steamcommunity.com/profiles/76561199508624021
https://t.me/looking_glassbot
Unpacked files
SH256 hash:
323433aa5db127cd22f84d5c4f862561abecdd7028ace323996ceecb2558561b
MD5 hash:
3a6e53b85b72559d0db268d278a72993
SHA1 hash:
2f57c0d76227473c07bf11d3ab3ff673bdd72562
Detections:
stop_ransomware win_stop_auto
SH256 hash:
8a0b4cb2e8b68882e37d49cc0dc6d2cd32bea57930015a2ca926475fc5c6f01d
MD5 hash:
ea57cc8cedbe32db2bf79a3bb25659c4
SHA1 hash:
6ca1ab84e27f0f187f316a52be4fffb488dbac7b
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: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: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 8a0b4cb2e8b68882e37d49cc0dc6d2cd32bea57930015a2ca926475fc5c6f01d

(this sample)

  
Delivery method
Distributed via web download

Comments