djvu | 7af1c1b2b44d5286f5d4e577474bfa01753adf2fa0649eb658ffd819e88245fa

General

Target

7af1c1b2b44d5286f5d4e577474bfa01753adf2fa0649eb658ffd819e88245fa
Size

665KB
Sample

221005-3q6bwafhh6
MD5

964c125703ec85e3bdc7f548e02cee64
SHA1

738c74e831a815c29ce025e48017b846f5ce7ebd
SHA256

7af1c1b2b44d5286f5d4e577474bfa01753adf2fa0649eb658ffd819e88245fa
SHA512

04797bd77286a4ba45e9723d6042a528cdcaa85233696bc5112e424e5ff47c3880c9558865df500edbb65fe1e612edaf5dc8402b6eb18b24a901a064586e79de
SSDEEP

12288:T0EEqLktkb26ndT3voyuBI0RAQFcIFUY28zJLhneSKLUn8UwYpQosv:TPE6ndTp0RAAF5hneSgetJpQRv

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adww
offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
517

Targets

- Target
  
  7af1c1b2b44d5286f5d4e577474bfa01753adf2fa0649eb658ffd819e88245fa
- Size
  
  665KB
- MD5
  
  964c125703ec85e3bdc7f548e02cee64
- SHA1
  
  738c74e831a815c29ce025e48017b846f5ce7ebd
- SHA256
  
  7af1c1b2b44d5286f5d4e577474bfa01753adf2fa0649eb658ffd819e88245fa
- SHA512
  
  04797bd77286a4ba45e9723d6042a528cdcaa85233696bc5112e424e5ff47c3880c9558865df500edbb65fe1e612edaf5dc8402b6eb18b24a901a064586e79de
- SSDEEP
  
  12288:T0EEqLktkb26ndT3voyuBI0RAQFcIFUY28zJLhneSKLUn8UwYpQosv:TPE6ndTp0RAAF5hneSgetJpQRv
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