djvu | b1609f2040932084d01fdc2dbe87e6312dbaad065c14f9a610b0917666556720

General

Target

b1609f2040932084d01fdc2dbe87e6312dbaad065c14f9a610b0917666556720
Size

799KB
Sample

221005-sntvysefg6
MD5

c930da72228be1f2154dd5ce35535c0e
SHA1

c43fbf1331a8cf89ae74ded04873325bf6160f81
SHA256

b1609f2040932084d01fdc2dbe87e6312dbaad065c14f9a610b0917666556720
SHA512

ac21f1b083081a69818f91b18021f298c419a0ea323994896bb0fd231901c187d4486f51a50cc8a6703530392642e8211cf0af0a84eaa67d67699af9e1fa6197
SSDEEP

24576:sTSqUsVAwlxYzje5sJOf3tEHO0HGm4wHAf:YSD6YdJOfSDgf

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adlg
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
  
  b1609f2040932084d01fdc2dbe87e6312dbaad065c14f9a610b0917666556720
- Size
  
  799KB
- MD5
  
  c930da72228be1f2154dd5ce35535c0e
- SHA1
  
  c43fbf1331a8cf89ae74ded04873325bf6160f81
- SHA256
  
  b1609f2040932084d01fdc2dbe87e6312dbaad065c14f9a610b0917666556720
- SHA512
  
  ac21f1b083081a69818f91b18021f298c419a0ea323994896bb0fd231901c187d4486f51a50cc8a6703530392642e8211cf0af0a84eaa67d67699af9e1fa6197
- SSDEEP
  
  24576:sTSqUsVAwlxYzje5sJOf3tEHO0HGm4wHAf:YSD6YdJOfSDgf
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