djvu | 57a3a57151f67f2e51b91d90e13d7c420c9d6fd2588df2c5ce323e178f614927

General

Target

57a3a57151f67f2e51b91d90e13d7c420c9d6fd2588df2c5ce323e178f614927
Size

706KB
Sample

230311-pclhnahd87
MD5

6ca523904efbdd4e7c3d923c97bf74dd
SHA1

c92dc2ab075f4b2c787306ce265d644f54c13e33
SHA256

57a3a57151f67f2e51b91d90e13d7c420c9d6fd2588df2c5ce323e178f614927
SHA512

d4f60662f4512381399e965a0039c90745f2d2bc82698f2e3c9257742047fa26722ae2d90dd18561fefda0699734bdec752e2d6ced157bb4d260babba32eb02b
SSDEEP

12288:iG369q0DYC7LbKM4tkDtLBdF9+xBjK4cJL3yNlwkHKa:iTNbRpQdK4cF3yN

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.cosw
offline_id
fTU4hYOJ0niv7WAg9utRTzxXv2TcoEvGPJhzIot1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

2.9

Botnet

694f12963bedb0c6040fb3c74aac71e5

C2

https://t.me/nemesisgrow

https://steamcommunity.com/profiles/76561199471222742

http://65.109.12.165:80

Attributes

profile_id_v2
694f12963bedb0c6040fb3c74aac71e5

Targets

- Target
  
  57a3a57151f67f2e51b91d90e13d7c420c9d6fd2588df2c5ce323e178f614927
- Size
  
  706KB
- MD5
  
  6ca523904efbdd4e7c3d923c97bf74dd
- SHA1
  
  c92dc2ab075f4b2c787306ce265d644f54c13e33
- SHA256
  
  57a3a57151f67f2e51b91d90e13d7c420c9d6fd2588df2c5ce323e178f614927
- SHA512
  
  d4f60662f4512381399e965a0039c90745f2d2bc82698f2e3c9257742047fa26722ae2d90dd18561fefda0699734bdec752e2d6ced157bb4d260babba32eb02b
- SSDEEP
  
  12288:iG369q0DYC7LbKM4tkDtLBdF9+xBjK4cJL3yNlwkHKa:iTNbRpQdK4cF3yN
Score

10^/10

djvu vidar 694f12963bedb0c6040fb3c74aac71e5 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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- 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