djvu | 443afc0410df2d0042cdd3feebdd1160f4e30ca7a69a388ac6c3fd849295d345

General

Target

51921b1e95e23c8cec76290267f2c6a1.exe
Size

838KB
Sample

220927-mkyf3sdcb9
MD5

51921b1e95e23c8cec76290267f2c6a1
SHA1

ac9c821d02eb91b7a1310d1348072755b0289d6b
SHA256

443afc0410df2d0042cdd3feebdd1160f4e30ca7a69a388ac6c3fd849295d345
SHA512

9f30d8367e550f9790c080e0afff4ab0cd2a1099e48b946d93c2a4d92224f8e7b788bfa98f5cfa6548160bc0ed609f2accb5f530e5a34140c0289641c69f4903
SSDEEP

24576:eCktpZw/IF4yoHLCWNlAkpX/S2hE9K07zUri:eCkBwTCglAkc2OD3U

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.oflg
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
  
  51921b1e95e23c8cec76290267f2c6a1.exe
- Size
  
  838KB
- MD5
  
  51921b1e95e23c8cec76290267f2c6a1
- SHA1
  
  ac9c821d02eb91b7a1310d1348072755b0289d6b
- SHA256
  
  443afc0410df2d0042cdd3feebdd1160f4e30ca7a69a388ac6c3fd849295d345
- SHA512
  
  9f30d8367e550f9790c080e0afff4ab0cd2a1099e48b946d93c2a4d92224f8e7b788bfa98f5cfa6548160bc0ed609f2accb5f530e5a34140c0289641c69f4903
- SSDEEP
  
  24576:eCktpZw/IF4yoHLCWNlAkpX/S2hE9K07zUri:eCkBwTCglAkc2OD3U
Score

10^/10

djvu discovery persistence ransomware vidar 517 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