djvu | f769059e642239d6ad1578c27b2b8afd78e121d5e5cc2391b15d4817d2e745a7

General

Target

f769059e642239d6ad1578c27b2b8afd78e121d5e5cc2391b15d4817d2e745a7
Size

833KB
Sample

211127-tqg5lsfbd2
MD5

081b7fcf6bb72345001b6819f0901c75
SHA1

2bb6fc430f7a8ddf5923a8cdcd2897cf32492725
SHA256

f769059e642239d6ad1578c27b2b8afd78e121d5e5cc2391b15d4817d2e745a7
SHA512

bf2485f2743d262d4393d57316a73b9ada2f950e5cbc3c964b8e6684cf3c7261ca97846af56e3a6918fdb3a8537ad377d6318473fe20c705a6433859475392f2

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
  
  f769059e642239d6ad1578c27b2b8afd78e121d5e5cc2391b15d4817d2e745a7
- Size
  
  833KB
- MD5
  
  081b7fcf6bb72345001b6819f0901c75
- SHA1
  
  2bb6fc430f7a8ddf5923a8cdcd2897cf32492725
- SHA256
  
  f769059e642239d6ad1578c27b2b8afd78e121d5e5cc2391b15d4817d2e745a7
- SHA512
  
  bf2485f2743d262d4393d57316a73b9ada2f950e5cbc3c964b8e6684cf3c7261ca97846af56e3a6918fdb3a8537ad377d6318473fe20c705a6433859475392f2
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