djvu | aeae0a6858dce12e63d1bd33e317ce03ce209298e6641154d29a0d9bacced104

General

Target

aeae0a6858dce12e63d1bd33e317ce03ce209298e6641154d29a0d9bacced104
Size

832KB
Sample

211127-z9h4xagfb5
MD5

dd6d396bb0948b691b9ca241b0f31a2e
SHA1

01f83a331224debca090e996a42979cce5058254
SHA256

aeae0a6858dce12e63d1bd33e317ce03ce209298e6641154d29a0d9bacced104
SHA512

b62a31d43976b37316867b4e689f8429e9fe1deb0155503c1a5fb9735be6832211f3977d3959ca66c4479b2151e353ebdba1a94c9afab662b17b186a3d048c0c

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
  
  aeae0a6858dce12e63d1bd33e317ce03ce209298e6641154d29a0d9bacced104
- Size
  
  832KB
- MD5
  
  dd6d396bb0948b691b9ca241b0f31a2e
- SHA1
  
  01f83a331224debca090e996a42979cce5058254
- SHA256
  
  aeae0a6858dce12e63d1bd33e317ce03ce209298e6641154d29a0d9bacced104
- SHA512
  
  b62a31d43976b37316867b4e689f8429e9fe1deb0155503c1a5fb9735be6832211f3977d3959ca66c4479b2151e353ebdba1a94c9afab662b17b186a3d048c0c
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