djvu | d216c65bb6d5191fa64980421b8e2a2b9e541b2bffa81a4901a54d42bd544000

General

Target

d216c65bb6d5191fa64980421b8e2a2b9e541b2bffa81a4901a54d42bd544000
Size

830KB
Sample

211128-mbq1msccb8
MD5

fccbea6215d6893bb54f0dd401fe2b40
SHA1

a21a66bf20b4c1abbbc89e417d718dfd07abb5bb
SHA256

d216c65bb6d5191fa64980421b8e2a2b9e541b2bffa81a4901a54d42bd544000
SHA512

e77f478927806948a1cb2fdb07f8c5e7993dff5a32e90dddbd78b79032aa77b4cd414ccb0394ad7bc42667d35bfd11893039f336b6a2d97755f7dfb52fe011cd

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/fhsgtsspen6/get.php

Attributes

extension
.rigj
offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
payload_url
http://kotob.top/dl/build2.exe

http://tzgl.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

48.7

Botnet

517

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes

profile_id
517

Targets

- Target
  
  d216c65bb6d5191fa64980421b8e2a2b9e541b2bffa81a4901a54d42bd544000
- Size
  
  830KB
- MD5
  
  fccbea6215d6893bb54f0dd401fe2b40
- SHA1
  
  a21a66bf20b4c1abbbc89e417d718dfd07abb5bb
- SHA256
  
  d216c65bb6d5191fa64980421b8e2a2b9e541b2bffa81a4901a54d42bd544000
- SHA512
  
  e77f478927806948a1cb2fdb07f8c5e7993dff5a32e90dddbd78b79032aa77b4cd414ccb0394ad7bc42667d35bfd11893039f336b6a2d97755f7dfb52fe011cd
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
- Vidar Stealer
  stealer
- Downloads MZ/PE file
- Executes dropped EXE
- 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