MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f37775474824416326b8f761926078cb43619333d9f85dea28f3c821a32a0adf. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments

SHA256 hash: f37775474824416326b8f761926078cb43619333d9f85dea28f3c821a32a0adf
SHA3-384 hash: 8cdf8d2e5503e4a5ce9b8f7d56f6a6565e0f5fb0f59658c951817e7b790067e12f43bf4e2be24fa3bdee2a2348308b28
SHA1 hash: 45c53870a65c9fb494ab5e522a9a52124f0c60b6
MD5 hash: ac975fb5af0a817d64a23d721b525548
humanhash: wisconsin-floor-berlin-jupiter
File name:ac975fb5af0a817d64a23d721b525548.exe
Download: download sample
Signature Stop
File size:809'472 bytes
First seen:2022-11-04 10:30:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e412cb3cd2101fa7976d1b955d53f138 (7 x RedLineStealer, 4 x Smoke Loader, 1 x DanaBot)
ssdeep 12288:xpMB4IEsSVxAkTkx9LlYn4nhk+miXHLerPuAtvlg5XTaV7lxMm4H8Hq2QLRDWSi:rOsT0kgxUn4hk1AWPuyUONlqm4HNlWS
TLSH T170052323F7E0C576C4C125B8856896D8AF2EAC32026585477BE1333E4B397C6EA76353
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 480c1c4c4f594b14 (172 x Smoke Loader, 134 x RedLineStealer, 98 x Amadey)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://95.217.245.254/

Intelligence


File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ac975fb5af0a817d64a23d721b525548.exe
Verdict:
Malicious activity
Analysis date:
2022-11-04 10:32:31 UTC
Tags:
trojan ransomware stop loader stealer vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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:
88 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2022-11-04 10:31:11 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu 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
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://fresherlights.com/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_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
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: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 f37775474824416326b8f761926078cb43619333d9f85dea28f3c821a32a0adf

(this sample)

  
Delivery method
Distributed via web download

Comments