MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f1dbb01c47532ee9d23c65b0906a4e919a82aaf7bc18bc164ce753bf412c994. 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: 1f1dbb01c47532ee9d23c65b0906a4e919a82aaf7bc18bc164ce753bf412c994
SHA3-384 hash: 6ad10cf61b1dd7f475c78e8d42dfa20768455c533456573e5ed293bb5782f4354ecb6b8043375a547950201ed0b51dd1
SHA1 hash: a85191326afea23304859675da3e19481b9e5c0c
MD5 hash: b5ef33148ce5909fa5bfa0cddcc2e8a1
humanhash: stream-idaho-shade-hotel
File name:b5ef33148ce5909fa5bfa0cddcc2e8a1.exe
Download: download sample
Signature Stop
File size:801'280 bytes
First seen:2023-01-29 18:25:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b49d1773872141620d6e88f1989600b7 (11 x Smoke Loader, 7 x RedLineStealer, 6 x RecordBreaker)
ssdeep 24576:LUZZdQRraful9+NPpMsebnbw++Y5AP9PUlDJ:LUHdQRrGulK4bnbw+dw2l
Threatray 2'843 similar samples on MalwareBazaar
TLSH T15B0512337791CC63C552157068159AF4DFB9BC7B8AB9A983F7583A3F6E702D02226206
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 1024e398a6e72158 (2 x Smoke Loader, 2 x Stop, 1 x RecordBreaker)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://135.181.41.147/

Intelligence


File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
b5ef33148ce5909fa5bfa0cddcc2e8a1.exe
Verdict:
Malicious activity
Analysis date:
2023-01-29 18:27:12 UTC
Tags:
trojan loader stealer vidar ransomware stop

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
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed ransomware redline
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:
Detection:
malicious
Classification:
rans.troj.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)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FileCoder
Status:
Malicious
First seen:
2023-01-08 19:04:46 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
34 of 39 (87.18%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:19 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
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
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://spaceris.com/test1/get.php
https://t.me/litlebey
https://steamcommunity.com/profiles/76561199472399815
Unpacked files
SH256 hash:
85959be4cfb50d95faaf98c2748d06e687d1def4bca27673d497c640d2a18099
MD5 hash:
054df7f4d72eba9f66a3e8940b223609
SHA1 hash:
91877bfb6ca6ff8314376d435beec6c8a139a755
Detections:
win_stop_auto
SH256 hash:
1f1dbb01c47532ee9d23c65b0906a4e919a82aaf7bc18bc164ce753bf412c994
MD5 hash:
b5ef33148ce5909fa5bfa0cddcc2e8a1
SHA1 hash:
a85191326afea23304859675da3e19481b9e5c0c
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
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.

Comments