MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3acf3ec418888e53f729159f4687733feba9064015caed677228fbbfee4907f. 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 4 File information Comments

SHA256 hash: f3acf3ec418888e53f729159f4687733feba9064015caed677228fbbfee4907f
SHA3-384 hash: ad6335b5781b5ebc030a754cd905e70604fe30c3450f03cc105558a97d7e20cd824908f56e365451c3f26571d8725cf1
SHA1 hash: 38345bb07c50830858b16c34b09c61632d1c9ac6
MD5 hash: 75b2f62a0848fb719160cf6c1613d733
humanhash: two-high-muppet-mountain
File name:f3acf3ec418888e53f729159f4687733feba9064015caed677228fbbfee4907f
Download: download sample
Signature Stop
File size:843'776 bytes
First seen:2021-09-24 06:08:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a2bc3921f9c8d145b9a6f1e3eaf1f8a9 (5 x RedLineStealer, 1 x Loki, 1 x Stop)
ssdeep 12288:7bn6Aq0l6fZCFl8ArXe8+AXSyj93hxITPr5l1+CnXbBTLyoASuIDJDT0Qd:qAq0lTFGSXdur5bLBfDu+vtd
Threatray 714 similar samples on MalwareBazaar
TLSH T16705F120BAA0C038F5BB42F989BAD3ACA53E79B1573440CB62C555E967387E4DD3035B
File icon (PE):PE icon
dhash icon ead8ac9cc6e68ee0 (118 x RaccoonStealer, 102 x RedLineStealer, 46 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.evad
Score:
84 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2021-09-22 12:46:48 UTC
AV detection:
33 of 45 (73.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar 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 use of AdjustPrivilegeToken
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
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
Unpacked files
SH256 hash:
c3b242523f2c37f175b55d6b3ffbc777cf761533e9d9838c20f23a8916e1ca7c
MD5 hash:
253bf641bf44be8065ddad1115523603
SHA1 hash:
d345d0b7bb4174a2dfc031bb7c30600ecd6ec37d
Detections:
win_stop_auto
SH256 hash:
f3acf3ec418888e53f729159f4687733feba9064015caed677228fbbfee4907f
MD5 hash:
75b2f62a0848fb719160cf6c1613d733
SHA1 hash:
38345bb07c50830858b16c34b09c61632d1c9ac6
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: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