djvu | 95eab44a9c0e74835dd58c71b75100abdbf34f79399140f8d18ee240481c526c

General

Target

file
Size

661KB
Sample

220930-ldxqjadbd9
MD5

90d605d6c698ca2c37dc914ac86f7005
SHA1

6a37d10ad54f19419aa82a11b508300c992f32c5
SHA256

95eab44a9c0e74835dd58c71b75100abdbf34f79399140f8d18ee240481c526c
SHA512

03eb8b2d2be679be6e8a6550fcae21134e90d33890d6a20857289ccf636ce483f91c2e8b1bac5f5078fed3cab75fc51e3c92f3ea27963ead178d5e5ec8c4d3f4
SSDEEP

12288:zWjFTEugOzz5fwFs/Nf6iW9Ib6vaMT9yYUEJFwTjMA4K:zWJTEup1Iul9KIb6vtsCM5

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

Attributes

extension
.ofoq
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
payload_url
http://rgyui.top/dl/build2.exe

http://winnlinne.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes

profile_id
517

Targets

- Target
  
  file
- Size
  
  661KB
- MD5
  
  90d605d6c698ca2c37dc914ac86f7005
- SHA1
  
  6a37d10ad54f19419aa82a11b508300c992f32c5
- SHA256
  
  95eab44a9c0e74835dd58c71b75100abdbf34f79399140f8d18ee240481c526c
- SHA512
  
  03eb8b2d2be679be6e8a6550fcae21134e90d33890d6a20857289ccf636ce483f91c2e8b1bac5f5078fed3cab75fc51e3c92f3ea27963ead178d5e5ec8c4d3f4
- SSDEEP
  
  12288:zWjFTEugOzz5fwFs/Nf6iW9Ib6vaMT9yYUEJFwTjMA4K:zWJTEup1Iul9KIb6vtsCM5
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
- Downloads MZ/PE file
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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 behavioral2