MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735. 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 1 File information Comments

SHA256 hash: 188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735
SHA3-384 hash: e55d4817ea71b333a8edb810249fad0c593007471a9089c541cc58f94f39891216d75be4551c78f98e84decfb6d35a01
SHA1 hash: 5d2a34c309d1fa2b71e9380489df5b5cbcdd7a78
MD5 hash: 5d21060735fa451daef340b707b32807
humanhash: arkansas-snake-xray-fifteen
File name:file
Download: download sample
Signature Stop
File size:806'400 bytes
First seen:2023-09-02 21:13:09 UTC
Last seen:2023-09-09 17:09:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a90bfe185c06be0aa4a37134cfb76f4b (2 x Vidar, 1 x Stop, 1 x Smoke Loader)
ssdeep 12288:vx4mzYpZz2Nez2uSph3XQySocIwMnKRQ7i2HQdFrE0rvfGWZp46GzuJjOD6ILFy:vnz/42DrqoRwMGDP1r3a6GzujQFZy
Threatray 2'294 similar samples on MalwareBazaar
TLSH T10005F15375E3FC6EDC2407718F2EC2ED772E74605E156B8627542E2E9A312B2E69B300
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 00080c480a070600 (1 x Stop)
Reporter andretavare5
Tags:exe Stop


Avatar
andretavare5
Sample downloaded from https://vk.com/doc44017378_668790441?hash=ZAKf3wtiDekEKOwL5zOUpKlhs3NsBThU4THBbA9UjZ0&dl=tGcv3oqIrQKDSR0z8GXJxfn9P4s1HZm2ci3UQevYE7w&api=1&no_preview=1#test2

Intelligence


File Origin
# of uploads :
45
# of downloads :
367
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-09-02 21:15:57 UTC
Tags:
ransomware stop stealer vidar trojan arkei loader raccoonclipper

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware 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.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found 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 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
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1302182 Sample: file.exe Startdate: 02/09/2023 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 7 other signatures 2->58 8 file.exe 2->8         started        11 file.exe 2->11         started        13 file.exe 2->13         started        15 file.exe 2->15         started        process3 signatures4 62 Multi AV Scanner detection for dropped file 8->62 64 Detected unpacking (changes PE section rights) 8->64 66 Detected unpacking (overwrites its own PE header) 8->66 70 2 other signatures 8->70 17 file.exe 19 8->17         started        68 Injects a PE file into a foreign processes 11->68 22 file.exe 1 17 11->22         started        24 file.exe 13 13->24         started        26 file.exe 13 15->26         started        process5 dnsIp6 46 zexeq.com 190.219.108.202, 49755, 80 CableOndaPA Panama 17->46 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\file.exe.rzfu (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\file.exe, MS-DOS 17->40 dropped 44 4 other malicious files 17->44 dropped 60 Modifies existing user documents (likely ransomware behavior) 17->60 48 api.2ip.ua 162.0.217.254, 443, 49730, 49734 ACPCA Canada 22->48 42 C:\Users\user\AppData\Local\...\file.exe, PE32 22->42 dropped 28 file.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 72 Injects a PE file into a foreign processes 28->72 33 file.exe 13 28->33         started        process11 dnsIp12 50 api.2ip.ua 33->50
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-09-02 19:40:11 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:25f5344bfcb62e75b7946c3a681aec54 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
Program crash
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://t.me/vogogor
https://steamcommunity.com/profiles/76561199545993403
Unpacked files
SH256 hash:
a95df302b2fddefec497bcf6f78472e0f7dbb7bcfa211771e4eb26f770c07440
MD5 hash:
e7b4aca50916c73f982a84cad9f91150
SHA1 hash:
de8a65ad89d9e8acaf75410f0588a50a29a7240d
Detections:
djvu_ransomware win_stop_auto
SH256 hash:
188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735
MD5 hash:
5d21060735fa451daef340b707b32807
SHA1 hash:
5d2a34c309d1fa2b71e9380489df5b5cbcdd7a78
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

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