djvu | 41987b4c88213f610dfb980e25f64ef08b05d1d1445e281e34120037fa888a21

General

Target

41987b4c88213f610dfb980e25f64ef08b05d1d1445e281e34120037fa888a21
Size

762KB
Sample

220419-lta7gaehe5
MD5

f1db9cd4c0474063f5b155e455208790
SHA1

cf51f69e65ad53e03a85244e0b3e2aafb395d378
SHA256

41987b4c88213f610dfb980e25f64ef08b05d1d1445e281e34120037fa888a21
SHA512

e4b9c9bb63de175dbbf9f48041f19961deda356153bc1add007d1b89b2375d800eb6083ba426719149fc5185c9a4c419343fb6f5f2d82020b614b2e9645a24b7

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes

extension
.dwqs
offline_id
PfLhykvDxmCghCq8peuxBtQ3c0QBuANi8WUkuet1
payload_url
http://zerit.top/dl/build2.exe

http://fuyt.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  
  41987b4c88213f610dfb980e25f64ef08b05d1d1445e281e34120037fa888a21
- Size
  
  762KB
- MD5
  
  f1db9cd4c0474063f5b155e455208790
- SHA1
  
  cf51f69e65ad53e03a85244e0b3e2aafb395d378
- SHA256
  
  41987b4c88213f610dfb980e25f64ef08b05d1d1445e281e34120037fa888a21
- SHA512
  
  e4b9c9bb63de175dbbf9f48041f19961deda356153bc1add007d1b89b2375d800eb6083ba426719149fc5185c9a4c419343fb6f5f2d82020b614b2e9645a24b7
Score

10^/10

djvu vidar 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
- Vidar Stealer
  stealer
- 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