djvu | c8b0f5cb74d057a0c2d8b22ff21fe04c270f1cfb9fa68a55ff9b73de38ea0e1d

General

Target

c8b0f5cb74d057a0c2d8b22ff21fe04c270f1cfb9fa68a55ff9b73de38ea0e1d
Size

807KB
Sample

221229-y4jb2shd2t
MD5

33a6878d4fea702369d0f6a30135b584
SHA1

10c90f916ea3f3974c15bda6830b1b4afcaa2b6c
SHA256

c8b0f5cb74d057a0c2d8b22ff21fe04c270f1cfb9fa68a55ff9b73de38ea0e1d
SHA512

1690830da5f3308426e4bf9a867ebcda9c50905e8cdd0fbe957a4f7725d07df275f4b9bb5166b06493287f0283a65289b32076fd60a5019cf94a7fc457a6194e
SSDEEP

12288:vCe4bSVeR1uAXrqURgDx6kq8iL2VeeKEdpIWT/ghMnor+1AX0UcyKPfUodYU:lpVAjPas8a2GEfV/ghh+P/fhY

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

http://ex3mall.com/test1/get.php

Attributes

extension
.znsm
offline_id
bE95c2N1x4fARf4W3qmFCjkKPwfFkQaU9NpNBMt1
payload_url
http://uaery.top/dl/build2.exe
http://ex3mall.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

1.7

Botnet

19

C2

https://t.me/robloxblackl

https://steamcommunity.com/profiles/76561199458928097

Attributes

profile_id
19

Targets

- Target
  
  c8b0f5cb74d057a0c2d8b22ff21fe04c270f1cfb9fa68a55ff9b73de38ea0e1d
- Size
  
  807KB
- MD5
  
  33a6878d4fea702369d0f6a30135b584
- SHA1
  
  10c90f916ea3f3974c15bda6830b1b4afcaa2b6c
- SHA256
  
  c8b0f5cb74d057a0c2d8b22ff21fe04c270f1cfb9fa68a55ff9b73de38ea0e1d
- SHA512
  
  1690830da5f3308426e4bf9a867ebcda9c50905e8cdd0fbe957a4f7725d07df275f4b9bb5166b06493287f0283a65289b32076fd60a5019cf94a7fc457a6194e
- SSDEEP
  
  12288:vCe4bSVeR1uAXrqURgDx6kq8iL2VeeKEdpIWT/ghMnor+1AX0UcyKPfUodYU:lpVAjPas8a2GEfV/ghh+P/fhY
Score

10^/10

djvu vidar 19 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
- 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