djvu | 6993c2016d8d0caff155b54f201508bee6f5d3af5fd08691b2d61b372d047b8b

General

Target

file.exe
Size

847KB
Sample

220927-t1dj6sfabk
MD5

349d888694fd641ff3771ddafff5d169
SHA1

5032f804ceee60d156953f5db268ea356f343e8b
SHA256

6993c2016d8d0caff155b54f201508bee6f5d3af5fd08691b2d61b372d047b8b
SHA512

5adefeb5e2a74a8f910231ad25d66dca21a941048aca47335037d0ec48dfebb4dd28bec942556c395eb10103f4ad52802229567e606567bc2aa096c96f8c8ad1
SSDEEP

12288:apsvatI1RwddlC6lAwkq9kvgMfimo8BHEqeTX6ymhICjgKTJGiB:apsvatIrwdOU1kYoLo8BHyvmhICMYAi

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

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes

profile_id
517

Targets

- Target
  
  file.exe
- Size
  
  847KB
- MD5
  
  349d888694fd641ff3771ddafff5d169
- SHA1
  
  5032f804ceee60d156953f5db268ea356f343e8b
- SHA256
  
  6993c2016d8d0caff155b54f201508bee6f5d3af5fd08691b2d61b372d047b8b
- SHA512
  
  5adefeb5e2a74a8f910231ad25d66dca21a941048aca47335037d0ec48dfebb4dd28bec942556c395eb10103f4ad52802229567e606567bc2aa096c96f8c8ad1
- SSDEEP
  
  12288:apsvatI1RwddlC6lAwkq9kvgMfimo8BHEqeTX6ymhICjgKTJGiB:apsvatIrwdOU1kYoLo8BHyvmhICMYAi
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