djvu | 8541f917e5d20563131f27e278324d0134681feb784f320092b84a8eba8dea9f

General

Target

file.exe
Size

719KB
Sample

220924-cxz6bsadc9
MD5

fb43f56d2f87f842ef17c632220b8655
SHA1

8ffe8a978d8190c735a8b7fd32cb054061390120
SHA256

8541f917e5d20563131f27e278324d0134681feb784f320092b84a8eba8dea9f
SHA512

65b6d1a5951435aa47d18294ca0a10ef89aaf34d4baba879283b071c3b8c7e7885b4bdef74ce21b11868b5fc03b3ac3f08a867803e1e338051185991bfd19dc9
SSDEEP

12288:mq43iYgsgbspN91qvZx3igcq+nBJ3hh5KE1Yis7UNGGqwlA51IRVxkFgphm6jiF1:YiYLevLUJ3AE2is7SqwespkFgXmj

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

Attributes

extension
.ofoq
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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

54.6

Botnet

517

C2

https://t.me/huobiinside

https://mas.to/@kyriazhs1975

Attributes

profile_id
517

Targets

- Target
  
  file.exe
- Size
  
  719KB
- MD5
  
  fb43f56d2f87f842ef17c632220b8655
- SHA1
  
  8ffe8a978d8190c735a8b7fd32cb054061390120
- SHA256
  
  8541f917e5d20563131f27e278324d0134681feb784f320092b84a8eba8dea9f
- SHA512
  
  65b6d1a5951435aa47d18294ca0a10ef89aaf34d4baba879283b071c3b8c7e7885b4bdef74ce21b11868b5fc03b3ac3f08a867803e1e338051185991bfd19dc9
- SSDEEP
  
  12288:mq43iYgsgbspN91qvZx3igcq+nBJ3hh5KE1Yis7UNGGqwlA51IRVxkFgphm6jiF1:YiYLevLUJ3AE2is7SqwespkFgXmj
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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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 behavioral2