djvu | 822d9c5678fcb18ea84426b382f2c0309375d272ed91a52043fa6d9d868351e9

General

Target

822d9c5678fcb18ea84426b382f2c0309375d272ed91a52043fa6d9d868351e9
Size

791KB
Sample

220928-yakm1saafj
MD5

f3b3f3913664d91964296fa8d4bc6843
SHA1

57ed433865a046cf94da86fa4c133e39eab6adde
SHA256

822d9c5678fcb18ea84426b382f2c0309375d272ed91a52043fa6d9d868351e9
SHA512

f99a34ef8808c0c96240b88c4acca85940f65c85061bcc12b8634eb67c1c5a79f51a936afabb54e1ba1aac8c8511160a6f4d0860738f92b2e79cdc0dd844c70e
SSDEEP

12288:SAZnuHhNA0YnsPUPbBnOBhhf1dwqYojU0n04mFuLKxjbfMzFdYSumLj8YIAdxqp:SAZnu4c8bVehv76uG7MJGuLj8Oxq

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
  
  822d9c5678fcb18ea84426b382f2c0309375d272ed91a52043fa6d9d868351e9
- Size
  
  791KB
- MD5
  
  f3b3f3913664d91964296fa8d4bc6843
- SHA1
  
  57ed433865a046cf94da86fa4c133e39eab6adde
- SHA256
  
  822d9c5678fcb18ea84426b382f2c0309375d272ed91a52043fa6d9d868351e9
- SHA512
  
  f99a34ef8808c0c96240b88c4acca85940f65c85061bcc12b8634eb67c1c5a79f51a936afabb54e1ba1aac8c8511160a6f4d0860738f92b2e79cdc0dd844c70e
- SSDEEP
  
  12288:SAZnuHhNA0YnsPUPbBnOBhhf1dwqYojU0n04mFuLKxjbfMzFdYSumLj8YIAdxqp:SAZnu4c8bVehv76uG7MJGuLj8Oxq
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