MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9afa91c839d958185548eccf40690eb7db7859a852ac06f3870a6165c287d6ba. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments

SHA256 hash: 9afa91c839d958185548eccf40690eb7db7859a852ac06f3870a6165c287d6ba
SHA3-384 hash: 26724e7eb9f960cfa7b150ab2089349d30c2f4437d1ea88ff8cb74b8ba2ae28ff36273951d77ecaee7b3a2e861eed2c3
SHA1 hash: eb83e395c2f3c39eb297d3a192d4174a96e10455
MD5 hash: ac60b43d159dcac0a93ac6dd12ce0bc6
humanhash: network-pennsylvania-happy-nuts
File name:ac60b43d159dcac0a93ac6dd12ce0bc6.exe
Download: download sample
Signature Stop
File size:877'568 bytes
First seen:2021-10-10 11:47:46 UTC
Last seen:2021-10-10 13:01:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 44bdf7acf59eb6dc6851df2a6e018dc9 (2 x RedLineStealer, 2 x ArkeiStealer, 1 x Stop)
ssdeep 24576:Sxuysrd0jFXVrcKyV56ySC9q9in/1lAASnp:SUWVr5O6ySIHn/1A
Threatray 783 similar samples on MalwareBazaar
TLSH T14915E010A2A7C034F1F3E6B85A759278A93E7DA1AB2454CB22D11BDE5634ED3EC31317
File icon (PE):PE icon
dhash icon 9824e790c4e7215c (12 x RedLineStealer, 4 x Stop, 2 x Smoke Loader)
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
325
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ac60b43d159dcac0a93ac6dd12ce0bc6.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-10 11:48:57 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
Sending an HTTP GET request to an infection source
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2021-10-10 11:48:05 UTC
AV detection:
29 of 45 (64.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://mas.to/@serg4325
http://securebiz.org/fhsgtsspen6
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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
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:Vidar
Author:kevoreilly
Description:Vidar Payload
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 9afa91c839d958185548eccf40690eb7db7859a852ac06f3870a6165c287d6ba

(this sample)

  
Delivery method
Distributed via web download

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