djvu | 257ad7d5feda599ee4771e7d833bdd9b92b0baf6f80b5546f51df7c7b912719a

General

Target

257ad7d5feda599ee4771e7d833bdd9b92b0baf6f80b5546f51df7c7b912719a
Size

826KB
Sample

211205-lfjlpafae8
MD5

09fdf0652802b7ee7a1c0ea5d01c1eb0
SHA1

97640a6e4270f24afa8be889ee99349d9e7b64cd
SHA256

257ad7d5feda599ee4771e7d833bdd9b92b0baf6f80b5546f51df7c7b912719a
SHA512

aa7819b14714ecb57a6956524f9f2a5cc64ff733e5c6808186093517f0bf77fd058f877721641f0f5821df83586793b9fad7cbf074132e5a1c700a1ea73d37f5

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/fhsgtsspen6/get.php

Attributes

extension
.wnlu
offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
payload_url
http://kotob.top/dl/build2.exe

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

Extracted

Family

vidar

Version

48.9

Botnet

517

C2

https://qoto.org/@mniami

https://noc.social/@menaomi

Attributes

profile_id
517

Targets

- Target
  
  257ad7d5feda599ee4771e7d833bdd9b92b0baf6f80b5546f51df7c7b912719a
- Size
  
  826KB
- MD5
  
  09fdf0652802b7ee7a1c0ea5d01c1eb0
- SHA1
  
  97640a6e4270f24afa8be889ee99349d9e7b64cd
- SHA256
  
  257ad7d5feda599ee4771e7d833bdd9b92b0baf6f80b5546f51df7c7b912719a
- SHA512
  
  aa7819b14714ecb57a6956524f9f2a5cc64ff733e5c6808186093517f0bf77fd058f877721641f0f5821df83586793b9fad7cbf074132e5a1c700a1ea73d37f5
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
- Vidar Stealer
  stealer
- 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