MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7e8263a9210b8d4b85e957fd5cf0d23626926f7e41c1df3bbe468d12609d6e6. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: b7e8263a9210b8d4b85e957fd5cf0d23626926f7e41c1df3bbe468d12609d6e6
SHA3-384 hash: 1929cebd43f700554421d3eb5000f5bdee08b8a9c8abd25144aca535c337781964c854c82095777d7a41685cc01464d4
SHA1 hash: f2552378ab103181e6936a074a5dbdb2bdca06f5
MD5 hash: 1a3bb5acfb7f3ee075b7e6bd97243935
humanhash: pasta-east-social-wolfram
File name:1a3bb5acfb7f3ee075b7e6bd97243935.exe
Download: download sample
Signature Stop
File size:829'440 bytes
First seen:2024-01-11 15:45:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ae482bd3cfff150c70fe7ca85278d78d (1 x Stealc, 1 x Stop)
ssdeep 24576:bwAclUpRnp8qzrOKaLzn5G7AWhbPYLJoUn:bwAeQNGqMLzA7A0wLJx
Threatray 2'197 similar samples on MalwareBazaar
TLSH T120059D5392E13D44EE758B729F2FC2FD770EF2508E4977A511299E2B21B10B6E263B10
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
dhash icon 0309052321053100 (1 x Stop)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://habrafa.com/test1/get.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
394
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
b7e8263a9210b8d4b85e957fd5cf0d23626926f7e41c1df3bbe468d12609d6e6.exe
Verdict:
Malicious activity
Analysis date:
2024-01-11 15:47:43 UTC
Tags:
loader vodkagats ransomware stop raccoonclipper

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

Behaviour
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed shell32
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, Djvu
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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
Sample uses process hollowing technique
Snort IDS alert for network traffic
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1373184 Sample: bl24U4LzC9.exe Startdate: 11/01/2024 Architecture: WINDOWS Score: 100 46 habrafa.com 2->46 48 api.2ip.ua 2->48 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 6 other signatures 2->60 9 bl24U4LzC9.exe 2->9         started        12 bl24U4LzC9.exe 2->12         started        14 bl24U4LzC9.exe 2->14         started        16 bl24U4LzC9.exe 2->16         started        signatures3 process4 signatures5 64 Multi AV Scanner detection for dropped file 9->64 66 Detected unpacking (changes PE section rights) 9->66 68 Detected unpacking (overwrites its own PE header) 9->68 76 2 other signatures 9->76 18 bl24U4LzC9.exe 18 9->18         started        70 Contains functionality to inject code into remote processes 12->70 72 Injects a PE file into a foreign processes 12->72 23 bl24U4LzC9.exe 1 16 12->23         started        74 Sample uses process hollowing technique 14->74 25 bl24U4LzC9.exe 12 14->25         started        27 bl24U4LzC9.exe 12 16->27         started        process6 dnsIp7 50 habrafa.com 195.158.3.162, 49742, 80 BRM-ASUZ Uzbekistan 18->50 36 C:\Users\user\...\JSDNGYCOWY.mp3.cdpo (copy), COM 18->36 dropped 38 C:\Users\user\Desktop\...\JSDNGYCOWY.mp3, COM 18->38 dropped 40 C:\Users\user\_readme.txt, ASCII 18->40 dropped 44 6 other malicious files 18->44 dropped 62 Modifies existing user documents (likely ransomware behavior) 18->62 52 api.2ip.ua 172.67.139.220, 443, 49735, 49736 CLOUDFLARENETUS United States 23->52 42 C:\Users\user\AppData\...\bl24U4LzC9.exe, PE32 23->42 dropped 29 bl24U4LzC9.exe 23->29         started        32 icacls.exe 23->32         started        file8 signatures9 process10 signatures11 78 Injects a PE file into a foreign processes 29->78 34 bl24U4LzC9.exe 12 29->34         started        process12
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-01-11 15:46:05 UTC
File Type:
PE (Exe)
Extracted files:
93
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware stealer
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Detect Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://habrafa.com/test1/get.php
Unpacked files
SH256 hash:
b7e8263a9210b8d4b85e957fd5cf0d23626926f7e41c1df3bbe468d12609d6e6
MD5 hash:
1a3bb5acfb7f3ee075b7e6bd97243935
SHA1 hash:
f2552378ab103181e6936a074a5dbdb2bdca06f5
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Stop

Executable exe b7e8263a9210b8d4b85e957fd5cf0d23626926f7e41c1df3bbe468d12609d6e6

(this sample)

  
Delivery method
Distributed via web download

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