djvu | 6b85cc8e9f06a7dd13f92fe05ebb56f9450c90fdf0ae5b86e7c6395141591149

General

Target

6b85cc8e9f06a7dd13f92fe05ebb56f9450c90fdf0ae5b86e7c6395141591149
Size

664KB
Sample

221006-b9mv4agcgl
MD5

2419056d793138616412ee481918da63
SHA1

7bd9388cfc689f68180d1ee2a419e4e9fc7af9e9
SHA256

6b85cc8e9f06a7dd13f92fe05ebb56f9450c90fdf0ae5b86e7c6395141591149
SHA512

6da7345ecd0025a1177c57f1fbe055cf09dadecd713aa6162cd29fef29b3869fe3d03e99d389ca043fc0a3a8ef2ad4b031f0d8ef208b4b52429360cddfe24738
SSDEEP

12288:lLaSCQuHBQkTc3R2gP6NJqGTjyNP5RDUjyCFhHhyX+XNNh8ULOf5A:lZmKNwgP0q6kP5fGoMXjOfO

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test1/get.php

Attributes

extension
.adlg
offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
517

Targets

- Target
  
  6b85cc8e9f06a7dd13f92fe05ebb56f9450c90fdf0ae5b86e7c6395141591149
- Size
  
  664KB
- MD5
  
  2419056d793138616412ee481918da63
- SHA1
  
  7bd9388cfc689f68180d1ee2a419e4e9fc7af9e9
- SHA256
  
  6b85cc8e9f06a7dd13f92fe05ebb56f9450c90fdf0ae5b86e7c6395141591149
- SHA512
  
  6da7345ecd0025a1177c57f1fbe055cf09dadecd713aa6162cd29fef29b3869fe3d03e99d389ca043fc0a3a8ef2ad4b031f0d8ef208b4b52429360cddfe24738
- SSDEEP
  
  12288:lLaSCQuHBQkTc3R2gP6NJqGTjyNP5RDUjyCFhHhyX+XNNh8ULOf5A:lZmKNwgP0q6kP5fGoMXjOfO
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext
behavioral1