djvu | 763893c6614beb84b807a93202e830f969ad085bee0b4c3da6d6881fed050d29

General

Target

763893c6614beb84b807a93202e830f969ad085bee0b4c3da6d6881fed050d29
Size

706KB
Sample

211126-xs7d3ahdb2
MD5

4851a2bee949b15a72c05127a4d75176
SHA1

10baf654374e12d6f6a6c59ac13115ea2309022a
SHA256

763893c6614beb84b807a93202e830f969ad085bee0b4c3da6d6881fed050d29
SHA512

3d00b17997681eaa1061977d103ab0ca6526ca1f006165701f0ddc9d2ccb22512ba690d37f858831ac055bbf4c228247b45c55e9dae1f682b7340a191477e217

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
  
  763893c6614beb84b807a93202e830f969ad085bee0b4c3da6d6881fed050d29
- Size
  
  706KB
- MD5
  
  4851a2bee949b15a72c05127a4d75176
- SHA1
  
  10baf654374e12d6f6a6c59ac13115ea2309022a
- SHA256
  
  763893c6614beb84b807a93202e830f969ad085bee0b4c3da6d6881fed050d29
- SHA512
  
  3d00b17997681eaa1061977d103ab0ca6526ca1f006165701f0ddc9d2ccb22512ba690d37f858831ac055bbf4c228247b45c55e9dae1f682b7340a191477e217
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