MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 334b1a2395188d25eb92cf8bf6ad47116f3d16252eaa701daabdada0aae4cfe0. 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: 18


Intelligence 18 IOCs YARA 14 File information Comments

SHA256 hash: 334b1a2395188d25eb92cf8bf6ad47116f3d16252eaa701daabdada0aae4cfe0
SHA3-384 hash: d3bdd73ac7fb34a0934ae5f104958c7cc0e1c3d2fbec9558ca5acf6ca3a9a8e6163fdbc9cf7888f08877e53a3b7c86f0
SHA1 hash: 5f4798fd0e7664cc6d6bcb4dece7f03a6588129c
MD5 hash: cc134b8ddfe0681646ed11c0e3041876
humanhash: indigo-december-mexico-lithium
File name:file
Download: download sample
Signature Stop
File size:756'736 bytes
First seen:2024-01-18 10:52:20 UTC
Last seen:2024-01-22 09:53:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afe9d238e315d9482832f52d54aeafe0 (1 x Stop, 1 x UACModuleSmokeLoader, 1 x GCleaner)
ssdeep 12288:6E+Il0hlTvlQicbaHDoSFedmJZ5tByAEZ+v4kJvuNtvYfGUGQ9NXmb710qZwKvxy:j+I0vlQ+D2dKw+LvuozLNXmNnZfvx
Threatray 2'199 similar samples on MalwareBazaar
TLSH T1C5F4012171F98036E3F32D324D74E2A58AFBB957BA75588F1A81177A4E24BD1CE20707
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 3370ccd2ccf033da (36 x Smoke Loader, 10 x Stealc, 8 x GCleaner)
Reporter andretavare5
Tags:exe Stop


Avatar
andretavare5
Sample downloaded from https://vk.com/doc164097589_672848165?hash=QWZ41xkv3BsnXKv5lrzvTnWbKmhHjOGU9SJcDzQrqzk&dl=FyBrpZ6569bjGpLJbQp97SPP0uymZr7ISl7jEnlUakL&api=1&no_preview=1#test22

Intelligence


File Origin
# of uploads :
3
# of downloads :
371
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
334b1a2395188d25eb92cf8bf6ad47116f3d16252eaa701daabdada0aae4cfe0.exe
Verdict:
Malicious activity
Analysis date:
2024-01-18 10:55:23 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
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
Sending a custom TCP request
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:
No Threat
Threat level:
  10/10
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
Antivirus detection for URL or domain
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 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 dropped file
Multi AV Scanner detection for submitted 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: 1376685 Sample: file.exe Startdate: 18/01/2024 Architecture: WINDOWS Score: 100 57 habrafa.com 2->57 59 api.2ip.ua 2->59 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Found malware configuration 2->69 71 8 other signatures 2->71 9 file.exe 2->9         started        12 file.exe 2->12         started        14 file.exe 2->14         started        16 file.exe 2->16         started        signatures3 process4 signatures5 77 Detected unpacking (changes PE section rights) 9->77 79 Detected unpacking (overwrites its own PE header) 9->79 81 Writes a notice file (html or txt) to demand a ransom 9->81 87 2 other signatures 9->87 18 file.exe 1 17 9->18         started        83 Multi AV Scanner detection for dropped file 12->83 85 Injects a PE file into a foreign processes 12->85 22 file.exe 18 12->22         started        25 file.exe 14->25         started        27 file.exe 16->27         started        process6 dnsIp7 61 api.2ip.ua 104.21.65.24, 443, 49705, 49706 CLOUDFLARENETUS United States 18->61 39 C:\Users\user\AppData\Local\...\file.exe, PE32 18->39 dropped 29 file.exe 18->29         started        32 icacls.exe 18->32         started        41 C:\Users\user\_readme.txt, ASCII 22->41 dropped 43 C:\Users\user\Desktop\...\ZIPXYXWIOY.png, data 22->43 dropped 45 C:\Users\user\DesktopIVQSAOTAQ.jpg, data 22->45 dropped 47 2 other malicious files 22->47 dropped 75 Modifies existing user documents (likely ransomware behavior) 22->75 file8 signatures9 process10 signatures11 89 Injects a PE file into a foreign processes 29->89 34 file.exe 1 18 29->34         started        process12 dnsIp13 63 habrafa.com 195.158.3.162, 49708, 49709, 80 BRM-ASUZ Uzbekistan 34->63 49 C:\_readme.txt, ASCII 34->49 dropped 51 C:\Users\...\DefaultLayouts.xml.cdtt (copy), data 34->51 dropped 53 ExplorerStartupLog...nce.etl.cdtt (copy), data 34->53 dropped 55 103 other malicious files 34->55 dropped 73 Infects executable files (exe, dll, sys, html) 34->73 file14 signatures15
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-01-18 10:53:06 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
18 of 24 (75.00%)
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
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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:
334b1a2395188d25eb92cf8bf6ad47116f3d16252eaa701daabdada0aae4cfe0
MD5 hash:
cc134b8ddfe0681646ed11c0e3041876
SHA1 hash:
5f4798fd0e7664cc6d6bcb4dece7f03a6588129c
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

Comments