MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4f702819548499595cfb484106944739c629a615d1a1bca13bfd5a44b0bb36b. 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 14 File information Comments

SHA256 hash: a4f702819548499595cfb484106944739c629a615d1a1bca13bfd5a44b0bb36b
SHA3-384 hash: 315d252540fee5ec61f2a6ca083725a3dfaa5a218ca8f063089ed8e3e979470e6efa06e2763b81db9a1b38c1750622a4
SHA1 hash: be77f129b5edca05325c2e97ce867b240b0575d2
MD5 hash: e52b10352bd30c9049ca0e5ed4ecb503
humanhash: speaker-ceiling-moon-finch
File name:file
Download: download sample
Signature Stop
File size:780'800 bytes
First seen:2023-09-17 15:28:12 UTC
Last seen:2023-09-18 07:37:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0247adcd329847ea0db225ff728b6ec9 (3 x Smoke Loader, 2 x CoinMiner, 1 x RedLineStealer)
ssdeep 12288:7uoGGoVjpfbnbX2RsQFAL6ibPp3gpflLPEeOOaZ:7IGgpzbsAL68hcTOO
Threatray 2'336 similar samples on MalwareBazaar
TLSH T146F41211D2B1D530E5754B32CF6AC2B81A2FBD529E65AB473348772F00F417296A631F
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 70d0ddd0c4d9d2dd (1 x Stop)
Reporter andretavare5
Tags:exe Stop


Avatar
andretavare5
Sample downloaded from https://vk.com/doc18596347_668057105?hash=yH9TUJznW0tb0cgDFD5ds3oaZW1ftof9fVaFaa99WWk&dl=bWf2Pvwn6usEDNdNDwLx9UPLHHqRs0mMFExZkeAcQQD&api=1&no_preview=1#test2

Intelligence


File Origin
# of uploads :
14
# of downloads :
313
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
https://jogjaindotrans.com/system/File_p_a_s_s1234.7z
Verdict:
Malicious activity
Analysis date:
2023-09-17 17:00:48 UTC
Tags:
opendir privateloader evasion loader risepro stealer redline stealc fabookie ransomware stop lumma smoke tofsee vidar trojan arkei lgoogloader raccoonclipper g0njxa

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
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
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lolbin packed shell32
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.
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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 many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1309611 Sample: file.exe Startdate: 17/09/2023 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Found malware configuration 2->93 95 15 other signatures 2->95 11 file.exe 2->11         started        14 file.exe 2->14         started        16 file.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 111 Detected unpacking (changes PE section rights) 11->111 113 Detected unpacking (overwrites its own PE header) 11->113 115 Writes a notice file (html or txt) to demand a ransom 11->115 121 2 other signatures 11->121 20 file.exe 1 16 11->20         started        117 Multi AV Scanner detection for dropped file 14->117 119 Injects a PE file into a foreign processes 14->119 24 file.exe 12 14->24         started        27 file.exe 16->27         started        29 file.exe 18->29         started        31 schtasks.exe 18->31         started        process5 dnsIp6 79 api.2ip.ua 162.0.217.254, 443, 49697, 49698 ACPCA Canada 20->79 61 C:\Users\user\AppData\Local\...\file.exe, PE32 20->61 dropped 33 file.exe 20->33         started        36 icacls.exe 20->36         started        63 C:\Users\user\Desktop\...\VAMYDFPUND.docx, data 24->63 dropped 65 C:\Users\user\DesktopbehaviorgraphAOBCVIQIJ.jpg, data 24->65 dropped 105 Modifies existing user documents (likely ransomware behavior) 24->105 38 conhost.exe 31->38         started        file7 signatures8 process9 signatures10 87 Injects a PE file into a foreign processes 33->87 40 file.exe 1 50 33->40         started        process11 dnsIp12 81 colisumy.com 95.158.162.200, 49700, 80 VIDEOSATBG Bulgaria 40->81 83 zexeq.com 187.134.40.51, 49699, 49702, 80 UninetSAdeCVMX Mexico 40->83 85 2 other IPs or domains 40->85 67 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 40->67 dropped 69 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 40->69 dropped 71 C:\...\watermark.bmp.wwty (copy), data 40->71 dropped 73 238 other malicious files 40->73 dropped 107 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 40->107 109 Modifies existing user documents (likely ransomware behavior) 40->109 45 build2.exe 40->45         started        48 build3.exe 40->48         started        file13 signatures14 process15 file16 123 Detected unpacking (changes PE section rights) 45->123 125 Detected unpacking (overwrites its own PE header) 45->125 127 Found many strings related to Crypto-Wallets (likely being stolen) 45->127 129 Injects a PE file into a foreign processes 45->129 51 build2.exe 45->51         started        59 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 48->59 dropped 131 Uses schtasks.exe or at.exe to add and modify task schedules 48->131 55 schtasks.exe 48->55         started        signatures17 process18 dnsIp19 75 128.140.120.34, 27015, 49704 HETZNER-ASDE Germany 51->75 77 t.me 149.154.167.99, 443, 49703 TELEGRAMRU United Kingdom 51->77 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 51->97 99 Found many strings related to Crypto-Wallets (likely being stolen) 51->99 101 Tries to harvest and steal browser information (history, passwords, etc) 51->101 103 Tries to steal Crypto Currency Wallets 51->103 57 conhost.exe 55->57         started        signatures20 process21
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-09-17 14:58:53 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:7b01483643983171e949f923c5bc80e7 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
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/test2/get.php
https://steamcommunity.com/profiles/76561199550790047
https://t.me/bonoboaz
Unpacked files
SH256 hash:
0d3151e11fed85fa86c15cafa61d4807fc44e8480aa9e50b74ae34438d0c3aca
MD5 hash:
40c04297aacf33bc5c4b52adcec77dd2
SHA1 hash:
be58d92037948615aa73cc37a79ca5d65774ffaa
Detections:
djvu_ransomware win_stop_auto
SH256 hash:
a4f702819548499595cfb484106944739c629a615d1a1bca13bfd5a44b0bb36b
MD5 hash:
e52b10352bd30c9049ca0e5ed4ecb503
SHA1 hash:
be77f129b5edca05325c2e97ce867b240b0575d2
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