djvu | e7884968f8cdd98fc26fd218c60024dac348ed12eac668021b6e18e785821b57

General

Target

e7884968f8cdd98fc26fd218c60024dac348ed12eac668021b6e18e785821b57
Size

853KB
Sample

211129-lczhqsehf5
MD5

8a4af469a4b2c2c314cd4844db052376
SHA1

71c058501fa72774e3dadcc143161898f0753147
SHA256

e7884968f8cdd98fc26fd218c60024dac348ed12eac668021b6e18e785821b57
SHA512

601d41f336d0ea91607a78d4d01ba41a0d1c3345dc439ab81b916f0b63ea49a6ce58624b2b2b89996ca81b0087452eaea839a6f91d9db77b69347f942e675d4b

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
  
  e7884968f8cdd98fc26fd218c60024dac348ed12eac668021b6e18e785821b57
- Size
  
  853KB
- MD5
  
  8a4af469a4b2c2c314cd4844db052376
- SHA1
  
  71c058501fa72774e3dadcc143161898f0753147
- SHA256
  
  e7884968f8cdd98fc26fd218c60024dac348ed12eac668021b6e18e785821b57
- SHA512
  
  601d41f336d0ea91607a78d4d01ba41a0d1c3345dc439ab81b916f0b63ea49a6ce58624b2b2b89996ca81b0087452eaea839a6f91d9db77b69347f942e675d4b
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