djvu | 1f8bd390bcd8e4ca4b441cacc515e923f9694405a230c47668bc67ac1132fd1f

General

Target
1f8bd390bcd8e4ca4b441cacc515e923f9694405a230c47668bc67ac1132fd1f
Size 728KB
Sample220425-beek8sabe9
SHA256 1f8bd390bcd8e4ca4b441cacc515e923f9694405a230c47668bc67ac1132fd1f
MD5 d602eac12588b2e020788bf93dbb6a1b
SHA1 9729795073a2cf7cb27df5905ae2e8924539b357
SHA512 f63fa192f9651c216b7e7ae61efd69934845960761548204d241d6ef56298b8dde17d623aed0329bac2622bb8509815daad6e51c3c18ee3e6b0717606ee0cc1b
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.dmay
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
  1f8bd390bcd8e4ca4b441cacc515e923f9694405a230c47668bc67ac1132fd1f
- Size 728KB
- SHA256 1f8bd390bcd8e4ca4b441cacc515e923f9694405a230c47668bc67ac1132fd1f
- MD5 d602eac12588b2e020788bf93dbb6a1b
- SHA1 9729795073a2cf7cb27df5905ae2e8924539b357
- SHA512 f63fa192f9651c216b7e7ae61efd69934845960761548204d241d6ef56298b8dde17d623aed0329bac2622bb8509815daad6e51c3c18ee3e6b0717606ee0cc1b
- 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