djvu | 75843d118481fb28eecb9f9b5013f9aaacbb590d4d8c38a842dac3b102f60081

General

Target

75843d118481fb28eecb9f9b5013f9aaacbb590d4d8c38a842dac3b102f60081
Size

789KB
Sample

221008-zgzk7afeg9
MD5

d36adfd8ca6256e28f92f559347f0f45
SHA1

30729283bac983139b98f99c182ae5d6db07e42e
SHA256

75843d118481fb28eecb9f9b5013f9aaacbb590d4d8c38a842dac3b102f60081
SHA512

9588f89ea5368a9fd500b3912a1a9765761202928e7c8bde12a4ca9e61b903b7b60cc9d93692f27fc57bc3df088becda70db5f6d5d62d5bc9a05a7656beb2610
SSDEEP

12288:ggdl3wT9RJ7cncbGYkU1h1byNY1o6B3RXybnVTJqiASeGYR6F2EeDeg:gi3w5PCGGYksyN+RgTRASM6F2EeDH

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/lancer/get.php

Attributes

extension
.towz
offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
payload_url
http://rgyui.top/dl/build2.exe

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

Extracted

Family

vidar

Version

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
517

Targets

- Target
  
  75843d118481fb28eecb9f9b5013f9aaacbb590d4d8c38a842dac3b102f60081
- Size
  
  789KB
- MD5
  
  d36adfd8ca6256e28f92f559347f0f45
- SHA1
  
  30729283bac983139b98f99c182ae5d6db07e42e
- SHA256
  
  75843d118481fb28eecb9f9b5013f9aaacbb590d4d8c38a842dac3b102f60081
- SHA512
  
  9588f89ea5368a9fd500b3912a1a9765761202928e7c8bde12a4ca9e61b903b7b60cc9d93692f27fc57bc3df088becda70db5f6d5d62d5bc9a05a7656beb2610
- SSDEEP
  
  12288:ggdl3wT9RJ7cncbGYkU1h1byNY1o6B3RXybnVTJqiASeGYR6F2EeDeg:gi3w5PCGGYksyN+RgTRASM6F2EeDH
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
- 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