djvu | 5a633425c1db888ec0332e7d209ee160f091e27474d4722819a9754aca1b7b0d

General

Target

5a633425c1db888ec0332e7d209ee160f091e27474d4722819a9754aca1b7b0d
Size

791KB
Sample

221005-1xzrkafgc9
MD5

fec683cf03741607291f6c6b8022c98c
SHA1

18a49af627edf179525029421e11209940eae738
SHA256

5a633425c1db888ec0332e7d209ee160f091e27474d4722819a9754aca1b7b0d
SHA512

5912e074cd37cacf5a6096efb042f8e2d0ea685ce0fe7c002c9014e8243de9facaa3efa387f59c2acfa44d6295c3fdac08d42b0461dd8a01d1b3ea03d68df7f4
SSDEEP

12288:NyGa/0CmdMI6PRTjCSxkut0XHKknZAoCDvFLtq7OuHYoTFGeIyF/NPunnTNyVc:NEaYPFjCqnt0ZZcNM7OuHY4F6wKT/

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adlg
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
  
  5a633425c1db888ec0332e7d209ee160f091e27474d4722819a9754aca1b7b0d
- Size
  
  791KB
- MD5
  
  fec683cf03741607291f6c6b8022c98c
- SHA1
  
  18a49af627edf179525029421e11209940eae738
- SHA256
  
  5a633425c1db888ec0332e7d209ee160f091e27474d4722819a9754aca1b7b0d
- SHA512
  
  5912e074cd37cacf5a6096efb042f8e2d0ea685ce0fe7c002c9014e8243de9facaa3efa387f59c2acfa44d6295c3fdac08d42b0461dd8a01d1b3ea03d68df7f4
- SSDEEP
  
  12288:NyGa/0CmdMI6PRTjCSxkut0XHKknZAoCDvFLtq7OuHYoTFGeIyF/NPunnTNyVc:NEaYPFjCqnt0ZZcNM7OuHY4F6wKT/
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
- 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