djvu | 43f7bfb2f186a0c13ca0880e8318997d1f00e100cc36dd3ac58954b7b4849535

General

Target
43f7bfb2f186a0c13ca0880e8318997d1f00e100cc36dd3ac58954b7b4849535
Size 726KB
Sample220423-13h11aeff6
SHA256 43f7bfb2f186a0c13ca0880e8318997d1f00e100cc36dd3ac58954b7b4849535
MD5 b87694fa71716e4a1ad2779273215b7a
SHA1 08bc71052d36690a101d344643980ad9306c4649
SHA512 0ffc6a3719098480e997c8e6976a52b4038a1449a382c4e8562f27313a889bfd10de81aaf2685d706322511d4e3fde618b6a200ee35007921b844331cffd44a7
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes

extension
.msjd
offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
payload_url
http://zerit.top/dl/build2.exe

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

Extracted

Family

vidar

Version

51.8

Botnet

517

C2

https://t.me/mm20220428
https://koyu.space/@ronxik123

Attributes

profile_id
517

Targets

- Target
  43f7bfb2f186a0c13ca0880e8318997d1f00e100cc36dd3ac58954b7b4849535
- Size 726KB
- SHA256 43f7bfb2f186a0c13ca0880e8318997d1f00e100cc36dd3ac58954b7b4849535
- MD5 b87694fa71716e4a1ad2779273215b7a
- SHA1 08bc71052d36690a101d344643980ad9306c4649
- SHA512 0ffc6a3719098480e997c8e6976a52b4038a1449a382c4e8562f27313a889bfd10de81aaf2685d706322511d4e3fde618b6a200ee35007921b844331cffd44a7
- MD5 SHA1 SHA512
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