MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4105f470480c034963d8b4ffcd671a7b1db1edc478c9e216477dff24099e0b3. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: f4105f470480c034963d8b4ffcd671a7b1db1edc478c9e216477dff24099e0b3
SHA3-384 hash: 62f334f9aecd8be2af06c4c898debeed87f33d90c80b9980213360ce24cb60c6c0a5a28dccdf56a46247bcf5aea5e216
SHA1 hash: d4b1bf6edf3ca5aae399da755b8f799441a0b8d4
MD5 hash: 6ac8320b05bd495020885e837e6c6285
humanhash: mirror-moon-tennis-purple
File name:f4105f470480c034963d8b4ffcd671a7b1db1edc478c9e216477dff24099e0b3
Download: download sample
Signature Stop
File size:797'184 bytes
First seen:2022-04-04 06:23:30 UTC
Last seen:2022-04-04 06:55:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f13d3005e6e565a1364782e0e3c75a05 (6 x Stop)
ssdeep 24576:4+ZgEKsnIyndN7uUgUmwiLiCn3FD8g7A:44IWdHgDfVgg0
Threatray 1'103 similar samples on MalwareBazaar
TLSH T1BE050210B7A0D035F6B763F059BA93E8B93A7DA04B3551CB22D55AEE4A346E4EC30317
File icon (PE):PE icon
dhash icon b2dacabecee6baa6 (148 x RedLineStealer, 145 x Stop, 100 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
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:
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
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
Possible FUD Crypter (malicious underground PE packer) detected
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-03-31 04:23:06 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu ransomware
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/lancer/get.php
Unpacked files
SH256 hash:
f4105f470480c034963d8b4ffcd671a7b1db1edc478c9e216477dff24099e0b3
MD5 hash:
6ac8320b05bd495020885e837e6c6285
SHA1 hash:
d4b1bf6edf3ca5aae399da755b8f799441a0b8d4
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