djvu | f5419ba9c32de52d822199e4133b89fea18fc0125b8e6f18601e6de8410c4e44

General

Target

f5419ba9c32de52d822199e4133b89fea18fc0125b8e6f18601e6de8410c4e44
Size

664KB
Sample

221129-y6yvhsda58
MD5

a2e7ae4838560a38cbdbe7c67f81c36f
SHA1

ed02996592a19d50d02bd65ca24d497203d0a0ad
SHA256

f5419ba9c32de52d822199e4133b89fea18fc0125b8e6f18601e6de8410c4e44
SHA512

9452b5415137470a0541496829e32074b7bd049f90c56cfe1d3d4ea203496c213af998a628e964a1d0ac3a516b0147b380f27eee7ae465c590fe3218c4b3bab2
SSDEEP

12288:W2RKMgw8Opyscy/kZqx3GMiJtAc1Jz+JMCpqQGnvFUjpqRJK5CEj1nEDpeHIVZXe:W2R2w8OQjAksNG1QU66ndZdqEDAoDXe

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.uyro
offline_id
HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1
payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes

profile_id
517

Targets

- Target
  
  f5419ba9c32de52d822199e4133b89fea18fc0125b8e6f18601e6de8410c4e44
- Size
  
  664KB
- MD5
  
  a2e7ae4838560a38cbdbe7c67f81c36f
- SHA1
  
  ed02996592a19d50d02bd65ca24d497203d0a0ad
- SHA256
  
  f5419ba9c32de52d822199e4133b89fea18fc0125b8e6f18601e6de8410c4e44
- SHA512
  
  9452b5415137470a0541496829e32074b7bd049f90c56cfe1d3d4ea203496c213af998a628e964a1d0ac3a516b0147b380f27eee7ae465c590fe3218c4b3bab2
- SSDEEP
  
  12288:W2RKMgw8Opyscy/kZqx3GMiJtAc1Jz+JMCpqQGnvFUjpqRJK5CEj1nEDpeHIVZXe:W2R2w8OQjAksNG1QU66ndZdqEDAoDXe
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