MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b35c0dea3f8b7c12efd3c2e738a86af4af0ec727239d60bff9af4c803c8bbbc. 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 1 YARA 5 File information Comments

SHA256 hash: 8b35c0dea3f8b7c12efd3c2e738a86af4af0ec727239d60bff9af4c803c8bbbc
SHA3-384 hash: 652fcac97ea3cd3a3b6908e0959be5caab32d7578cb1717e043792547c43f61281c7b050fa7ca90bd6d35fbe1d7be0fc
SHA1 hash: 54c8df637d8482c6513063cddc3647e69b6e3591
MD5 hash: 1c6bb19ae533873990aaa818367bc3c1
humanhash: mississippi-bakerloo-potato-muppet
File name:1c6bb19ae533873990aaa818367bc3c1.exe
Download: download sample
Signature Stop
File size:731'136 bytes
First seen:2022-10-20 09:50:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9b6d31a33dab7015fed5bf1bdd33a7d1 (4 x Smoke Loader, 1 x Stop)
ssdeep 12288:8NT9JulZj5pRQ5mJZBJy2ElJbP6hUbJ6qcto2o/Ux0kY:8NfMZFzZkHbP9bnctoT/Uqk
TLSH T1D4F423727902D4F2E808D57DC02ADBB5E03F14342F565B473BA0BB6F5E606C046E97AA
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 38b078cccacccc53 (62 x Smoke Loader, 25 x Stop, 21 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://tm.baiaveloz.com/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://tm.baiaveloz.com/ https://threatfox.abuse.ch/ioc/895046/

Intelligence


File Origin
# of uploads :
1
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1c6bb19ae533873990aaa818367bc3c1.exe
Verdict:
Malicious activity
Analysis date:
2022-10-20 09:52:15 UTC
Tags:
trojan ransomware stop loader

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
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Query of malicious DNS domain
Sending a TCP 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, Djvu
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 domain / URL
Multi AV Scanner detection for submitted file
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 signatures2 2 Behavior Graph ID: 726693 Sample: Luu1YDHDT3.exe Startdate: 20/10/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 7 other signatures 2->62 8 Luu1YDHDT3.exe 2->8         started        11 Luu1YDHDT3.exe 2->11         started        13 Luu1YDHDT3.exe 2->13         started        15 Luu1YDHDT3.exe 2->15         started        process3 signatures4 66 Injects a PE file into a foreign processes 8->66 17 Luu1YDHDT3.exe 18 8->17         started        22 Luu1YDHDT3.exe 1 16 11->22         started        68 Machine Learning detection for dropped file 13->68 70 Writes a notice file (html or txt) to demand a ransom 13->70 24 Luu1YDHDT3.exe 12 13->24         started        26 Luu1YDHDT3.exe 12 15->26         started        process5 dnsIp6 48 winnlinne.com 84.224.180.102, 49711, 80 PGSM-HUTorokbalintHungaryHU Hungary 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\...\ZIPXYXWIOY.docx, data 17->38 dropped 40 C:\Users\user\Desktop\...40WCXBPIUYI.xlsx, data 17->40 dropped 46 4 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 162.0.217.254, 443, 49706, 49707 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\Luu1YDHDT3.exe, PE32 22->42 dropped 44 C:\Users\...\Luu1YDHDT3.exe:Zone.Identifier, ASCII 22->44 dropped 28 Luu1YDHDT3.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 72 Injects a PE file into a foreign processes 28->72 33 Luu1YDHDT3.exe 12 28->33         started        process11 dnsIp12 52 192.168.2.1 unknown unknown 33->52 54 api.2ip.ua 33->54
Threat name:
Win32.Trojan.Lockbit
Status:
Malicious
First seen:
2022-10-20 10:11:39 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
25 of 42 (59.52%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 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
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://winnlinne.com/test1/get.php
https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33
Unpacked files
SH256 hash:
8b35c0dea3f8b7c12efd3c2e738a86af4af0ec727239d60bff9af4c803c8bbbc
MD5 hash:
1c6bb19ae533873990aaa818367bc3c1
SHA1 hash:
54c8df637d8482c6513063cddc3647e69b6e3591
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: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 8b35c0dea3f8b7c12efd3c2e738a86af4af0ec727239d60bff9af4c803c8bbbc

(this sample)

  
Delivery method
Distributed via web download

Comments