djvu | 2bc4c745599cabc0265f52becdee3122c5f9a115d267a41db1b0bf4106a809d5

General

Target

2bc4c745599cabc0265f52becdee3122c5f9a115d267a41db1b0bf4106a809d5
Size

815KB
Sample

220928-ppx28afha6
MD5

23e9fc09c94d96d722f1d30cb5846427
SHA1

7507239f64df8f7f5ab4467bf77eb53a45ec02cf
SHA256

2bc4c745599cabc0265f52becdee3122c5f9a115d267a41db1b0bf4106a809d5
SHA512

e4498b51e28b8e3bb5e4bde36c4e7392c10bbfbbfececc7076241dc6035dfe5a04c66cd74b41e9a53641982ef5b943f0550f8c9eda7e167952427dda41bf4cf0
SSDEEP

24576:4AjLj5HloPcrCwQDKhVcqL9OmH052Nng5+0XK:4ujtloPunOKX9fti+F

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test1/get.php

Attributes

extension
.oflg
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
  
  2bc4c745599cabc0265f52becdee3122c5f9a115d267a41db1b0bf4106a809d5
- Size
  
  815KB
- MD5
  
  23e9fc09c94d96d722f1d30cb5846427
- SHA1
  
  7507239f64df8f7f5ab4467bf77eb53a45ec02cf
- SHA256
  
  2bc4c745599cabc0265f52becdee3122c5f9a115d267a41db1b0bf4106a809d5
- SHA512
  
  e4498b51e28b8e3bb5e4bde36c4e7392c10bbfbbfececc7076241dc6035dfe5a04c66cd74b41e9a53641982ef5b943f0550f8c9eda7e167952427dda41bf4cf0
- SSDEEP
  
  24576:4AjLj5HloPcrCwQDKhVcqL9OmH052Nng5+0XK:4ujtloPunOKX9fti+F
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