djvu | 7a54fa6f39ec6b31f16a820c4e8b16af0d74eddea1ec0dc6bbbb97db59f7e6d1

General

Target
7a54fa6f39ec6b31f16a820c4e8b16af0d74eddea1ec0dc6bbbb97db59f7e6d1
Size 725KB
Sample220424-b6n9rafee7
SHA256 7a54fa6f39ec6b31f16a820c4e8b16af0d74eddea1ec0dc6bbbb97db59f7e6d1
MD5 30230946115d6d82a890e9e725deb161
SHA1 f03ee04320db88871b36dc45ed373fb4e43f0312
SHA512 47c416a43938457c71327d25c28d4afd3ec049990b24e54d4a23d2a8aed1a5d5365556d80b24a2a6e56415c4b96d71392884043a9942952ff695e343c2414d75
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
  7a54fa6f39ec6b31f16a820c4e8b16af0d74eddea1ec0dc6bbbb97db59f7e6d1
- Size 725KB
- SHA256 7a54fa6f39ec6b31f16a820c4e8b16af0d74eddea1ec0dc6bbbb97db59f7e6d1
- MD5 30230946115d6d82a890e9e725deb161
- SHA1 f03ee04320db88871b36dc45ed373fb4e43f0312
- SHA512 47c416a43938457c71327d25c28d4afd3ec049990b24e54d4a23d2a8aed1a5d5365556d80b24a2a6e56415c4b96d71392884043a9942952ff695e343c2414d75
- 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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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