djvu | 3f7eb0446dddbe506fd7bae07df9407c10d14842d8d60861081f93b1f4c551a4

General

Target

3f7eb0446dddbe506fd7bae07df9407c10d14842d8d60861081f93b1f4c551a4
Size

705KB
Sample

221123-m1enxafe49
MD5

c7e5432f71c7b0be1ae73bed15d0e267
SHA1

52914776fcac49a9f9860a05eafa802ac1ce1139
SHA256

3f7eb0446dddbe506fd7bae07df9407c10d14842d8d60861081f93b1f4c551a4
SHA512

51a9e7820c11c5d50f2da72ec9479b87c3ed42c32974c0ebbd32a70ab60fd7f880cbbf639183fb0db3632a3a02aeebe5dbc2e6bdc2ccbaf5a6fe6ef4505b3c88
SSDEEP

12288:klTPhDHiJ6cozww1ieU26iS7CQM//e9GjPw3y97KoCxuVqi0JO:kfDHiezziQ6iS7CQM//eQjw3y9m5u4iq

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tcvp
offline_id
JBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1
payload_url
http://uaery.top/dl/build2.exe

http://fresherlights.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

55.8

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes

profile_id
517

Targets

- Target
  
  3f7eb0446dddbe506fd7bae07df9407c10d14842d8d60861081f93b1f4c551a4
- Size
  
  705KB
- MD5
  
  c7e5432f71c7b0be1ae73bed15d0e267
- SHA1
  
  52914776fcac49a9f9860a05eafa802ac1ce1139
- SHA256
  
  3f7eb0446dddbe506fd7bae07df9407c10d14842d8d60861081f93b1f4c551a4
- SHA512
  
  51a9e7820c11c5d50f2da72ec9479b87c3ed42c32974c0ebbd32a70ab60fd7f880cbbf639183fb0db3632a3a02aeebe5dbc2e6bdc2ccbaf5a6fe6ef4505b3c88
- SSDEEP
  
  12288:klTPhDHiJ6cozww1ieU26iS7CQM//e9GjPw3y97KoCxuVqi0JO:kfDHiezziQ6iS7CQM//eQjw3y9m5u4iq
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