MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb780822631ca9d8373de54c7ac466fd4695091e758d26301d09c73b37f08879. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash: bb780822631ca9d8373de54c7ac466fd4695091e758d26301d09c73b37f08879
SHA3-384 hash: b337b1afed1177f17b7b00f5ccb56e91f41caed6b8c73a72cc60081327131c913a53cb89e8eb615bb7fcf8288cea8932
SHA1 hash: 50c0285771067b0b36fcfbe3644f0356e0208a98
MD5 hash: 25af342c66aec284622b2e239113c53e
humanhash: uniform-massachusetts-colorado-thirteen
File name:F49C.exe
Download: download sample
Signature Stop
File size:850'944 bytes
First seen:2023-03-18 14:12:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f1f747831a32e6998fc7ce4a6eabf60f (8 x RedLineStealer, 4 x Amadey, 4 x Stop)
ssdeep 12288:CitEc9JRast4rCxs4270/0hCyMjSgLAJHnQxIkSp4h92NKeOLAe1DNjGwlfRLEY/:CcTYst24i20DJgLkHiIZN+LpjJlpgY
Threatray 1'370 similar samples on MalwareBazaar
TLSH T1FA05E013A2E17C58E9264B729E1FD7E8371EF6618F497B6632148A2F04F21B1C163F91
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 23234b4212120a02 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
218
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
F49C.exe
Verdict:
Malicious activity
Analysis date:
2023-03-18 14:12:54 UTC
Tags:
ransomware stop loader stealer

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
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
DNS request
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed ursnif
Result
Verdict:
UNKNOWN
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-03-18 14:13:07 UTC
File Type:
PE (Exe)
Extracted files:
60
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:d6ef050131e7d5a1d595c51613328971 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
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/test1/get.php
https://t.me/zaskullz
https://steamcommunity.com/profiles/76561199486572327
http://135.181.87.234:80
Unpacked files
SH256 hash:
7bcca2c3f836aff5dcc0f3a8d8ff7ad23f36a71dbcc06eb876d661f30962b50b
MD5 hash:
119457870fb4b90bd41e81499c64c1e6
SHA1 hash:
9f8d8523feacd04b3c438cc45d75829ffa86abe7
Detections:
win_stop_auto
SH256 hash:
bb780822631ca9d8373de54c7ac466fd4695091e758d26301d09c73b37f08879
MD5 hash:
25af342c66aec284622b2e239113c53e
SHA1 hash:
50c0285771067b0b36fcfbe3644f0356e0208a98
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 (Nextron Systems)
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:Windows_Ransomware_Stop_1e8d48ff
Author:Elastic Security
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 bb780822631ca9d8373de54c7ac466fd4695091e758d26301d09c73b37f08879

(this sample)

  
Delivery method
Distributed via web download

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