djvu | 0a4bda499c18fab77a61259c68a56f96ec5f1a7c231dd7de4046b3f493c7235b

General

Target

0a4bda499c18fab77a61259c68a56f96ec5f1a7c231dd7de4046b3f493c7235b
Size

691KB
Sample

221125-rcl6ascf78
MD5

78e8b0fa47799733d72e4ab5e652555e
SHA1

0a81ea6e7de4aa4dfdf3e11595a8afbe1cb95cc8
SHA256

0a4bda499c18fab77a61259c68a56f96ec5f1a7c231dd7de4046b3f493c7235b
SHA512

28adc302f8fad3068e595c2f676f4e0887b98a3dd4c69d071823ea01cfbcc772184d64999a3f5804cb1ad5a605387b3104f7d952f8f76a4f957f2af8d0ad353c
SSDEEP

12288:uU4DdNjm/2aA9qx1fKzIWW0a/nQKO/6X9zs4ZEd7qyvwgo2gtAwta:z4Rw/2NkqafWiNQ4ed7zwwgtAw

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.kcvp
offline_id
hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1
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

55.9

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes

profile_id
517

Targets

- Target
  
  0a4bda499c18fab77a61259c68a56f96ec5f1a7c231dd7de4046b3f493c7235b
- Size
  
  691KB
- MD5
  
  78e8b0fa47799733d72e4ab5e652555e
- SHA1
  
  0a81ea6e7de4aa4dfdf3e11595a8afbe1cb95cc8
- SHA256
  
  0a4bda499c18fab77a61259c68a56f96ec5f1a7c231dd7de4046b3f493c7235b
- SHA512
  
  28adc302f8fad3068e595c2f676f4e0887b98a3dd4c69d071823ea01cfbcc772184d64999a3f5804cb1ad5a605387b3104f7d952f8f76a4f957f2af8d0ad353c
- SSDEEP
  
  12288:uU4DdNjm/2aA9qx1fKzIWW0a/nQKO/6X9zs4ZEd7qyvwgo2gtAwta:z4Rw/2NkqafWiNQ4ed7zwwgtAw
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