djvu | 3627ae44a86a8d9deda153090f68d5858066c792fa75644bc828c24a8d862c86

General

Target

3627ae44a86a8d9deda153090f68d5858066c792fa75644bc828c24a8d862c86
Size

846KB
Sample

211129-ask5hadhd5
MD5

31d80c1759d87e467d5b5c7067bffd94
SHA1

5fc518e6bfef04c8b81cf54fcdef4f640fb7685f
SHA256

3627ae44a86a8d9deda153090f68d5858066c792fa75644bc828c24a8d862c86
SHA512

8c158f5ccecfb92eb8efb1258871c5ce160e8eb00f0cbc6bada91acc933a5fcd0340468f4acdde46c05066a4d85a134c7ce36d9f7c6621e86f55b6c86044afc4

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.rigj
offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
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

48.7

Botnet

517

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes

profile_id
517

Targets

- Target
  
  3627ae44a86a8d9deda153090f68d5858066c792fa75644bc828c24a8d862c86
- Size
  
  846KB
- MD5
  
  31d80c1759d87e467d5b5c7067bffd94
- SHA1
  
  5fc518e6bfef04c8b81cf54fcdef4f640fb7685f
- SHA256
  
  3627ae44a86a8d9deda153090f68d5858066c792fa75644bc828c24a8d862c86
- SHA512
  
  8c158f5ccecfb92eb8efb1258871c5ce160e8eb00f0cbc6bada91acc933a5fcd0340468f4acdde46c05066a4d85a134c7ce36d9f7c6621e86f55b6c86044afc4
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