djvu | 3423fcb98b873a8d8dd35029d45d2382eb354142939adfecf7ee76f889d85707

General

Target

3423fcb98b873a8d8dd35029d45d2382eb354142939adfecf7ee76f889d85707
Size

695KB
Sample

211126-jh1lwaedc6
MD5

f9e49998bb7754fbe29359c33877d958
SHA1

500918671170aa6ac608af864ea7201100649dba
SHA256

3423fcb98b873a8d8dd35029d45d2382eb354142939adfecf7ee76f889d85707
SHA512

52ae48f593a60edba1664992815a69db31add084d08d110844a0e95e560a8e3193262daf6a090102a292f818ef1f82dabc899c0e77ecfaa9b2f238b94569b4b7

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
  
  3423fcb98b873a8d8dd35029d45d2382eb354142939adfecf7ee76f889d85707
- Size
  
  695KB
- MD5
  
  f9e49998bb7754fbe29359c33877d958
- SHA1
  
  500918671170aa6ac608af864ea7201100649dba
- SHA256
  
  3423fcb98b873a8d8dd35029d45d2382eb354142939adfecf7ee76f889d85707
- SHA512
  
  52ae48f593a60edba1664992815a69db31add084d08d110844a0e95e560a8e3193262daf6a090102a292f818ef1f82dabc899c0e77ecfaa9b2f238b94569b4b7
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