djvu | 81632d1aeb616f501b57730b4bbab042be100478d7ad8f40534838fbae26f23e

General

Target

81632d1aeb616f501b57730b4bbab042be100478d7ad8f40534838fbae26f23e
Size

805KB
Sample

231011-h7v71sbf67
MD5

61fd2043a4df80639438b2b71443adec
SHA1

ed00f19c461a7fb51d9b43274966ed3b022b7bc6
SHA256

81632d1aeb616f501b57730b4bbab042be100478d7ad8f40534838fbae26f23e
SHA512

cdf07dcaffe0a1e8a98672cd259b5bb4198e1824e3a0f1583f7db49586f02ee07606e54f43dd091a4bde84dd857f60836cc781a46ea1be3c8bcd1aeb0a848676
SSDEEP

12288:6PBqP0zcEqf167PWHIwhZdugmbjeHY9YCvEAt4LQLj2mWLc3KUc8/Y:WY0zsMTWowhyCH29t4cj27KCe

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.mzqt
offline_id
64GZgS7xxeK837qu1w0KPUK0sweaDoAeJlv15vt1
payload_url
http://colisumy.com/dl/build2.exe

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

Extracted

Family

vidar

Version

6

Botnet

d37c48c18c73cc0e155c7e1dfde06db9

C2

https://steamcommunity.com/profiles/76561199560322242

https://t.me/cahalgo

Attributes

profile_id_v2
d37c48c18c73cc0e155c7e1dfde06db9
user_agent
Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0 uacq

Targets

- Target
  
  81632d1aeb616f501b57730b4bbab042be100478d7ad8f40534838fbae26f23e
- Size
  
  805KB
- MD5
  
  61fd2043a4df80639438b2b71443adec
- SHA1
  
  ed00f19c461a7fb51d9b43274966ed3b022b7bc6
- SHA256
  
  81632d1aeb616f501b57730b4bbab042be100478d7ad8f40534838fbae26f23e
- SHA512
  
  cdf07dcaffe0a1e8a98672cd259b5bb4198e1824e3a0f1583f7db49586f02ee07606e54f43dd091a4bde84dd857f60836cc781a46ea1be3c8bcd1aeb0a848676
- SSDEEP
  
  12288:6PBqP0zcEqf167PWHIwhZdugmbjeHY9YCvEAt4LQLj2mWLc3KUc8/Y:WY0zsMTWowhyCH29t4cj27KCe
Score

10^/10

djvu vidar d37c48c18c73cc0e155c7e1dfde06db9 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
- 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