djvu | 52d1dc1fb7fa7726e7527ef2412648ffbc5d78dc7ab551ca4e51078f213b709a

General

Target

file
Size

803KB
Sample

220929-s63ktabcf7
MD5

126a3684f9aeb24f8accf168c8d3ff6f
SHA1

052b826371a6f8879102d304c294a927a6291867
SHA256

52d1dc1fb7fa7726e7527ef2412648ffbc5d78dc7ab551ca4e51078f213b709a
SHA512

11ab5e9123406b2735d59a0695e2477604d1f6d34389eb023f5a1f43ce777c4cbd2797d2f8265a859326b8cec889c72776c383f8f1a074fb97a0fbda0d977d80
SSDEEP

12288:cr1O4SOlacEu1UDEIAtdrPao8lE/XBFwKgYDkT728Jzr0SEazsNunnwcpO:cr1NSO0WaEsliTkfFSewcE

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

Attributes

extension
.ofoq
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes

profile_id
517

Targets

- Target
  
  file
- Size
  
  803KB
- MD5
  
  126a3684f9aeb24f8accf168c8d3ff6f
- SHA1
  
  052b826371a6f8879102d304c294a927a6291867
- SHA256
  
  52d1dc1fb7fa7726e7527ef2412648ffbc5d78dc7ab551ca4e51078f213b709a
- SHA512
  
  11ab5e9123406b2735d59a0695e2477604d1f6d34389eb023f5a1f43ce777c4cbd2797d2f8265a859326b8cec889c72776c383f8f1a074fb97a0fbda0d977d80
- SSDEEP
  
  12288:cr1O4SOlacEu1UDEIAtdrPao8lE/XBFwKgYDkT728Jzr0SEazsNunnwcpO:cr1NSO0WaEsliTkfFSewcE
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 behavioral2