djvu | 37d72be6e06830d950e10af30dab0bcb1ad8f67828b56926108ccd3de7432322

General

Target

file.exe
Size

659KB
Sample

220930-zm5z6aegf7
MD5

2fcf7dd37acbf420c078ef520850af64
SHA1

677ef7f1033c5ae85d65ae7a0dee018834ead5ad
SHA256

37d72be6e06830d950e10af30dab0bcb1ad8f67828b56926108ccd3de7432322
SHA512

d96732cbb64e318531cb3c6554fe1cd21483400d97c98d0ddbaecb5545fbf76389ee85064a93bae1aa67efd812c3db164dea929faae447943b888c06fdb52ef4
SSDEEP

12288:4sYORXIc6f7aE6RIru6qFTXrPHnQOH7EEevJwjfuNeIS8EqxYxXmfSQAYC7Y7n:vtRXIcuEoyXr4ObEEecuAiYxK1T

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.exe
- Size
  
  659KB
- MD5
  
  2fcf7dd37acbf420c078ef520850af64
- SHA1
  
  677ef7f1033c5ae85d65ae7a0dee018834ead5ad
- SHA256
  
  37d72be6e06830d950e10af30dab0bcb1ad8f67828b56926108ccd3de7432322
- SHA512
  
  d96732cbb64e318531cb3c6554fe1cd21483400d97c98d0ddbaecb5545fbf76389ee85064a93bae1aa67efd812c3db164dea929faae447943b888c06fdb52ef4
- SSDEEP
  
  12288:4sYORXIc6f7aE6RIru6qFTXrPHnQOH7EEevJwjfuNeIS8EqxYxXmfSQAYC7Y7n:vtRXIcuEoyXr4ObEEecuAiYxK1T
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