djvu | 47cf9dad5ea0bc9d259e40ecdbbb462acb21b16c8fbcdb95d7c461d354c4119a

General

Target

47cf9dad5ea0bc9d259e40ecdbbb462acb21b16c8fbcdb95d7c461d354c4119a
Size

799KB
Sample

221005-szvavsegb4
MD5

2aa4c7dbfea83658bc01b5bcd0a58178
SHA1

bb2ba7ea49a4ee5acf64fe4535ef64ca64813b4f
SHA256

47cf9dad5ea0bc9d259e40ecdbbb462acb21b16c8fbcdb95d7c461d354c4119a
SHA512

21accac18bb3c29ed0c80f757a04d4342364eebdbce0a272466d27b94bab3320e9ebebbd8f6accd15dc9dcfb3887f8955f19813570b00e81f0d96123ea75456e
SSDEEP

12288:XfKCqN0rwxFUnFbjkWiCp+vQYfpK2+4/E5t09jsBD/YK2sXNP0gDVvK7sICIzruY:XfKv05FTiVvtv59jsBD/YK2wK4CsQWk

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adww
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
  
  47cf9dad5ea0bc9d259e40ecdbbb462acb21b16c8fbcdb95d7c461d354c4119a
- Size
  
  799KB
- MD5
  
  2aa4c7dbfea83658bc01b5bcd0a58178
- SHA1
  
  bb2ba7ea49a4ee5acf64fe4535ef64ca64813b4f
- SHA256
  
  47cf9dad5ea0bc9d259e40ecdbbb462acb21b16c8fbcdb95d7c461d354c4119a
- SHA512
  
  21accac18bb3c29ed0c80f757a04d4342364eebdbce0a272466d27b94bab3320e9ebebbd8f6accd15dc9dcfb3887f8955f19813570b00e81f0d96123ea75456e
- SSDEEP
  
  12288:XfKCqN0rwxFUnFbjkWiCp+vQYfpK2+4/E5t09jsBD/YK2sXNP0gDVvK7sICIzruY:XfKv05FTiVvtv59jsBD/YK2wK4CsQWk
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