djvu | 8a6f9e363eb8441a677b18ef790d5420b4a8cb1696d104ef8bb174a947feba94

General

Target

8a6f9e363eb8441a677b18ef790d5420b4a8cb1696d104ef8bb174a947feba94
Size

832KB
Sample

211127-sp9b2aefg8
MD5

c382d94371a70544bba063754d38b5a8
SHA1

5e849a4e989f7a55bf403038115c34be6211b2a9
SHA256

8a6f9e363eb8441a677b18ef790d5420b4a8cb1696d104ef8bb174a947feba94
SHA512

b40bc555a83af06f84a289ffd03e568ee245931af392a701911be819c7441f84c6fa032c310432d2fc131fb5c829c279361390b3fe42f17daba85fed73ada332

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.robm
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
  
  8a6f9e363eb8441a677b18ef790d5420b4a8cb1696d104ef8bb174a947feba94
- Size
  
  832KB
- MD5
  
  c382d94371a70544bba063754d38b5a8
- SHA1
  
  5e849a4e989f7a55bf403038115c34be6211b2a9
- SHA256
  
  8a6f9e363eb8441a677b18ef790d5420b4a8cb1696d104ef8bb174a947feba94
- SHA512
  
  b40bc555a83af06f84a289ffd03e568ee245931af392a701911be819c7441f84c6fa032c310432d2fc131fb5c829c279361390b3fe42f17daba85fed73ada332
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