djvu | 764a4577754b406392ba2658bfd8c9e4859f83cc6e33f8d75a6df2e67f39c782

General

Target

764a4577754b406392ba2658bfd8c9e4859f83cc6e33f8d75a6df2e67f39c782
Size

811KB
Sample

220929-nwjmqsbffj
MD5

4be793def2070bf8c4a458234cec075a
SHA1

9ef06c1703047d4015e4451c54e1f25a33ddcf6b
SHA256

764a4577754b406392ba2658bfd8c9e4859f83cc6e33f8d75a6df2e67f39c782
SHA512

28c7ee185be0c1969836f63e86eb7e1d182f76ad481df2e1f6e095f080b89ea58e222e978da0cda5014c36b73d7e8a19a5b8a87a9933568cd3c53da683f021f6
SSDEEP

12288:pZMZ+8mdEdlr8vvelrXqXQ8pWRJNNpwm8EXuok1mhhjzw4kCRvb9yRkM:pZMZXmeXAlgVN+3E+oamQ4kCRvoR

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
  
  764a4577754b406392ba2658bfd8c9e4859f83cc6e33f8d75a6df2e67f39c782
- Size
  
  811KB
- MD5
  
  4be793def2070bf8c4a458234cec075a
- SHA1
  
  9ef06c1703047d4015e4451c54e1f25a33ddcf6b
- SHA256
  
  764a4577754b406392ba2658bfd8c9e4859f83cc6e33f8d75a6df2e67f39c782
- SHA512
  
  28c7ee185be0c1969836f63e86eb7e1d182f76ad481df2e1f6e095f080b89ea58e222e978da0cda5014c36b73d7e8a19a5b8a87a9933568cd3c53da683f021f6
- SSDEEP
  
  12288:pZMZ+8mdEdlr8vvelrXqXQ8pWRJNNpwm8EXuok1mhhjzw4kCRvb9yRkM:pZMZXmeXAlgVN+3E+oamQ4kCRvoR
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