MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d9833bbc3d96e7b45547e20dfbfb3f94c93f7342c7f74f11200f772dfd865ff. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments

SHA256 hash: 4d9833bbc3d96e7b45547e20dfbfb3f94c93f7342c7f74f11200f772dfd865ff
SHA3-384 hash: 840c17dae97a13aad63984d0cd5becac07dae93e9d267ad8a70d2bf26ba02d070fb4c11074d63009aaf42407a739bad7
SHA1 hash: 95c378e063cfeeea3a7cf3e7857234baf3877e88
MD5 hash: 1552564d0af2fa30bbb740b1a0ad54a2
humanhash: gee-ink-skylark-artist
File name:1552564d0af2fa30bbb740b1a0ad54a2.exe
Download: download sample
Signature Stop
File size:840'192 bytes
First seen:2022-11-02 10:10:11 UTC
Last seen:2022-11-02 11:37:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0ebd17a13b40f108ded2cb86c03ee706 (6 x RedLineStealer, 5 x Amadey, 4 x Smoke Loader)
ssdeep 24576:6OepfJJ9Q1XqLX5y0dIk+6w6oZOzBQgSw:6OqfJscY0BRaOzBjP
Threatray 2'592 similar samples on MalwareBazaar
TLSH T1300512E175D0CC33C1E274349424CB91AA7ABC22E9785D4777343A6E5E307E1EA6235B
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 480c1c4c4f590b14 (113 x Smoke Loader, 92 x RedLineStealer, 83 x Amadey)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://fresherlights.com/test1/get.php

Intelligence


File Origin
# of uploads :
2
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1552564d0af2fa30bbb740b1a0ad54a2.exe
Verdict:
Malicious activity
Analysis date:
2022-11-02 10:13:25 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:
Babuk, Djvu
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735784 Sample: 494TJ7rELb.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 7 other signatures 2->60 8 494TJ7rELb.exe 2->8         started        11 494TJ7rELb.exe 2->11         started        13 494TJ7rELb.exe 2->13         started        15 494TJ7rELb.exe 2->15         started        process3 signatures4 64 Machine Learning detection for dropped file 8->64 66 Writes a notice file (html or txt) to demand a ransom 8->66 68 Injects a PE file into a foreign processes 8->68 17 494TJ7rELb.exe 19 8->17         started        22 494TJ7rELb.exe 1 18 11->22         started        24 494TJ7rELb.exe 13 13->24         started        26 494TJ7rELb.exe 13 15->26         started        process5 dnsIp6 48 fresherlights.com 37.234.251.221, 49707, 80 PGSM-HUTorokbalintHungaryHU Hungary 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\PALRGUCVEH.mp3, data 17->38 dropped 40 C:\Users\user\Desktop40VWZAPQSQL.xlsx, data 17->40 dropped 46 4 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 162.0.217.254, 443, 49699, 49703 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\494TJ7rELb.exe, PE32 22->42 dropped 44 C:\Users\...\494TJ7rELb.exe:Zone.Identifier, ASCII 22->44 dropped 28 494TJ7rELb.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 70 Injects a PE file into a foreign processes 28->70 33 494TJ7rELb.exe 13 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Trojan.RedLine
Status:
Malicious
First seen:
2022-11-02 10:11:07 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
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_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
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 4d9833bbc3d96e7b45547e20dfbfb3f94c93f7342c7f74f11200f772dfd865ff

(this sample)

  
Delivery method
Distributed via web download

Comments