djvu | 14604f7a2add3e28a5092adbda0c9bb49f52367df1234e6e9e6b61f63a66e15b

General

Target
14604f7a2add3e28a5092adbda0c9bb49f52367df1234e6e9e6b61f63a66e15b
Size 713KB
Sample221021-d3lessacaq
SHA256 14604f7a2add3e28a5092adbda0c9bb49f52367df1234e6e9e6b61f63a66e15b
MD5 5ff5c285649abf718cc88f492b75df44
SHA1 316d2ce2d6499874f675c82e0fc5b8bd3ac99bd6
SHA512 727a7ddaa1a761f61dd965372741982d361b66e54a567fa186958d527d3aea7e72a06a6c7f0faddc4af46bb4dfa6aa705261dcf5a8ceeca2231795fd7e6c2e27
SSDEEP 12288:uqYOTxsPxv25AU0XDOw+4cHPhX13zSaSPJbh6D2Dy3bYFmUpcbjAbpousNi8eaI+:u8lsPw5HWDd+4cHp6q2W3bYFQbnuso/s
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tuis
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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

55.1

Botnet

517

C2

https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  14604f7a2add3e28a5092adbda0c9bb49f52367df1234e6e9e6b61f63a66e15b
- Size 713KB
- SHA256 14604f7a2add3e28a5092adbda0c9bb49f52367df1234e6e9e6b61f63a66e15b
- MD5 5ff5c285649abf718cc88f492b75df44
- SHA1 316d2ce2d6499874f675c82e0fc5b8bd3ac99bd6
- SHA512 727a7ddaa1a761f61dd965372741982d361b66e54a567fa186958d527d3aea7e72a06a6c7f0faddc4af46bb4dfa6aa705261dcf5a8ceeca2231795fd7e6c2e27
- SSDEEP 12288:uqYOTxsPxv25AU0XDOw+4cHPhX13zSaSPJbh6D2Dy3bYFmUpcbjAbpousNi8eaI+:u8lsPw5HWDd+4cHp6q2W3bYFQbnuso/s
- MD5 SHA1 SHA512 SSDEEP
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
- 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