MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9b54d5f8b3a9b1da0c9765305c3487351a8ac8f2c8683284ea632910e92e132. 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 14 File information Comments

SHA256 hash: c9b54d5f8b3a9b1da0c9765305c3487351a8ac8f2c8683284ea632910e92e132
SHA3-384 hash: 748c90e267f4623825d0aa8f150859ff2f33a40c1046e9e2bbcbc54d13012b86c03815079a6cb65b20cb4aa398cda300
SHA1 hash: b019e06385f601bd88ff71a43ed274a8f46a354c
MD5 hash: e6f92be7f819410f58178b2a32c02ece
humanhash: happy-pluto-tennessee-alpha
File name:file
Download: download sample
Signature Stop
File size:803'328 bytes
First seen:2024-01-10 13:31:22 UTC
Last seen:2024-01-10 15:31:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 000df336b102b7e013d9ff8d13e523f5 (1 x Stop, 1 x Vidar)
ssdeep 24576:3ISrb5ModOgj6b2D/qjyAxOw4klV0b3CMX1IG:xtMAj9XcFWx1
Threatray 2'186 similar samples on MalwareBazaar
TLSH T1CA05021131F4D032E6B378724435C7719E7BB8A225717A4E7ACA1BBD2F25692CE22707
TrID 34.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.8% (.EXE) InstallShield setup (43053/19/16)
18.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
6.3% (.EXE) Win64 Executable (generic) (10523/12/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
dhash icon d2b1e4d4ecb9c7f9 (6 x Smoke Loader, 6 x Stealc, 5 x RedLineStealer)
Reporter andretavare5
Tags:exe Stop


Avatar
andretavare5
Sample downloaded from https://vk.com/doc418490229_670579817?hash=irXs9p6ThpJNk8Wxr3bAoaJBK4wJgUzvlFMbPrl26Zz&dl=KueeKcXjtRjZULx4256VCy9K2zU0w7ZyKPZkUszqrbw&api=1&no_preview=1#test22

Intelligence


File Origin
# of uploads :
2
# of downloads :
389
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c9b54d5f8b3a9b1da0c9765305c3487351a8ac8f2c8683284ea632910e92e132.exe
Verdict:
Malicious activity
Analysis date:
2024-01-10 13:35:03 UTC
Tags:
ransomware stop

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
Restart of the analyzed sample
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
Searching for synchronization primitives
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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:
Babuk, Djvu
Detection:
malicious
Classification:
rans.spre.troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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 dropped file
Snort IDS alert for network traffic
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1372405 Sample: file.exe Startdate: 10/01/2024 Architecture: WINDOWS Score: 100 59 habrafa.com 2->59 61 api.2ip.ua 2->61 67 Snort IDS alert for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 5 other signatures 2->73 9 file.exe 2->9         started        12 file.exe 2->12         started        14 file.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 signatures5 79 Detected unpacking (changes PE section rights) 9->79 81 Detected unpacking (overwrites its own PE header) 9->81 83 Writes a notice file (html or txt) to demand a ransom 9->83 91 2 other signatures 9->91 18 file.exe 1 17 9->18         started        85 Multi AV Scanner detection for dropped file 12->85 87 Machine Learning detection for dropped file 12->87 89 Injects a PE file into a foreign processes 12->89 22 file.exe 19 12->22         started        25 file.exe 14->25         started        27 file.exe 16->27         started        29 file.exe 16->29         started        process6 dnsIp7 63 api.2ip.ua 172.67.139.220, 443, 49703, 49704 CLOUDFLARENETUS United States 18->63 41 C:\Users\user\AppData\Local\...\file.exe, PE32 18->41 dropped 31 file.exe 18->31         started        34 icacls.exe 18->34         started        43 C:\Users\user\_readme.txt, ASCII 22->43 dropped 45 C:\Users\user\Desktop\UNKRLCVOHV.png, data 22->45 dropped 47 C:\Users\user\Desktop\LFOPODGVOH.pdf, data 22->47 dropped 49 2 other malicious files 22->49 dropped 75 Modifies existing user documents (likely ransomware behavior) 22->75 file8 signatures9 process10 signatures11 93 Injects a PE file into a foreign processes 31->93 36 file.exe 1 18 31->36         started        process12 dnsIp13 65 habrafa.com 211.171.233.126, 49706, 49707, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 36->65 51 C:\_readme.txt, ASCII 36->51 dropped 53 10f5ef49-b826-4bae...85f.tmp.cdtt (copy), Google 36->53 dropped 55 C:\Users\user\...\acroNGLLog.txt.cdtt (copy), data 36->55 dropped 57 89 other malicious files 36->57 dropped 77 Infects executable files (exe, dll, sys, html) 36->77 file14 signatures15
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-01-10 13:32:05 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://habrafa.com/test2/get.php
Unpacked files
SH256 hash:
315c9946157586d5f11a6d909a2a7006fe7f5bd5e77e012a6a69aef49d6ed47c
MD5 hash:
0ed7c67c3ab59ef4ac4c3b43f221ef97
SHA1 hash:
bdde647288692152bd3692cbeb433d429214040f
Detections:
djvu_ransomware win_stop_auto SUSP_XORed_URL_In_EXE MALWARE_Win_STOP
SH256 hash:
c9b54d5f8b3a9b1da0c9765305c3487351a8ac8f2c8683284ea632910e92e132
MD5 hash:
e6f92be7f819410f58178b2a32c02ece
SHA1 hash:
b019e06385f601bd88ff71a43ed274a8f46a354c
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

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