djvu | b67dfd82df818b0979f02fc816a64ac5d4aaaa27b6d3e1093d98fe3e25b44adc

General

Target

b67dfd82df818b0979f02fc816a64ac5d4aaaa27b6d3e1093d98fe3e25b44adc
Size

845KB
Sample

211128-1v6r4adgb5
MD5

346a623101e214fc131f6c4a101d83cc
SHA1

4c396daf2e0be8e4b25795e03a55536963e2e458
SHA256

b67dfd82df818b0979f02fc816a64ac5d4aaaa27b6d3e1093d98fe3e25b44adc
SHA512

5b6cd876eba66becb5e130c468b3c477be33a89178cd950f93ff07b1b205fbc92a39b8d6b2d9d17022885598b1cbf9758f0d65fff6302d452e0b1a02abfd1a33

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
  
  b67dfd82df818b0979f02fc816a64ac5d4aaaa27b6d3e1093d98fe3e25b44adc
- Size
  
  845KB
- MD5
  
  346a623101e214fc131f6c4a101d83cc
- SHA1
  
  4c396daf2e0be8e4b25795e03a55536963e2e458
- SHA256
  
  b67dfd82df818b0979f02fc816a64ac5d4aaaa27b6d3e1093d98fe3e25b44adc
- SHA512
  
  5b6cd876eba66becb5e130c468b3c477be33a89178cd950f93ff07b1b205fbc92a39b8d6b2d9d17022885598b1cbf9758f0d65fff6302d452e0b1a02abfd1a33
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