MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 571c23786a9aaf84a445a90a1d79428a920b9a5b782635e12cab0b97f7b31ce3. 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: 12


Intelligence 12 IOCs 1 YARA 5 File information Comments

SHA256 hash: 571c23786a9aaf84a445a90a1d79428a920b9a5b782635e12cab0b97f7b31ce3
SHA3-384 hash: b3f4c1ab2d0ef629486ae4b01d723aca911beda33d940642411b2592a34a0302a78b3a0bf502c987e130d287268f980e
SHA1 hash: 82f498284a9cc4eeca4af2d1bf9f475af8bdc8e2
MD5 hash: b0784ec70a6b9476b4f99297dfa47c92
humanhash: snake-video-spring-nuts
File name:b0784ec70a6b9476b4f99297dfa47c92.exe
Download: download sample
Signature Stop
File size:811'520 bytes
First seen:2022-08-20 00:00:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ae346efbd980e81090bb35a433471a7 (1 x Stop)
ssdeep 24576:u/PTwU7KKw64NaRB+YTSTfHeTfpGyvbxCE/5P:ewU7Kb64NS8YGTfsBLx5
TLSH T1E7050240B6A0D03CE1B715F47976C2ACB92E7D919B2051CB22C63BED66399D0ECB9317
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b6dacabecee6aaa6 (1 x RaccoonStealer, 1 x Stop)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://78.46.129.14/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://78.46.129.14/ https://threatfox.abuse.ch/ioc/844093/

Intelligence


File Origin
# of uploads :
1
# of downloads :
335
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b0784ec70a6b9476b4f99297dfa47c92.exe
Verdict:
Malicious activity
Analysis date:
2022-08-20 00:01:36 UTC
Tags:
n/a

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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed ransomware smoke
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
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 687163 Sample: yLuKg7MShp.exe Startdate: 20/08/2022 Architecture: WINDOWS Score: 100 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 4 other signatures 2->55 8 yLuKg7MShp.exe 2->8         started        11 yLuKg7MShp.exe 2->11         started        13 yLuKg7MShp.exe 2->13         started        15 yLuKg7MShp.exe 2->15         started        process3 signatures4 57 Injects a PE file into a foreign processes 8->57 17 yLuKg7MShp.exe 1 16 8->17         started        59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 21 yLuKg7MShp.exe 12 11->21         started        63 Sample uses process hollowing technique 13->63 23 yLuKg7MShp.exe 12 13->23         started        25 yLuKg7MShp.exe 12 15->25         started        27 MpCmdRun.exe 15->27         started        process5 dnsIp6 43 api.2ip.ua 162.0.217.254, 443, 49721, 49722 ACPCA Canada 17->43 45 192.168.2.1 unknown unknown 17->45 39 C:\Users\user\AppData\...\yLuKg7MShp.exe, PE32 17->39 dropped 41 C:\Users\...\yLuKg7MShp.exe:Zone.Identifier, ASCII 17->41 dropped 29 yLuKg7MShp.exe 17->29         started        32 icacls.exe 17->32         started        34 conhost.exe 27->34         started        file7 process8 signatures9 65 Injects a PE file into a foreign processes 29->65 36 yLuKg7MShp.exe 12 29->36         started        process10 dnsIp11 47 api.2ip.ua 36->47
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2022-08-16 06:30:44 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
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
Malware Config
C2 Extraction:
http://acacaca.org/test1/get.php
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.

Comments