djvu | 3658bfa25d4a8c21d23c43f07d92223a989b8433024912c82c523a6f89cea985

General

Target

3658bfa25d4a8c21d23c43f07d92223a989b8433024912c82c523a6f89cea985
Size

723KB
Sample

221018-2x3znaead6
MD5

f0c62bf2250e0fcf06e9bca6d7a254fc
SHA1

a491dc0d11ec498a6f31d486ecf9befec1b6310d
SHA256

3658bfa25d4a8c21d23c43f07d92223a989b8433024912c82c523a6f89cea985
SHA512

f4db2cc79cb829d36a7cec72ec9a3e85368ad5d16749922c23b1df155369aca3db44cd5b409a21f9103e9fb035ca82727cedf1a16dc43580c1b9862806165fdb
SSDEEP

12288:hCoMRYBcDMQeDk+f7s/21zEAzmLUy+Qo/0hsbSzR82jZtBj2bKs2pZiLAuDmrpt7:hCJ1DMjf7VA1U1AzR8GVSbKs2pZiLAAh

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tuis
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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

55

Botnet

517

C2

https://t.me/truewallets

https://mas.to/@zara99

http://116.203.10.3:80

Attributes

profile_id
517

Targets

- Target
  
  3658bfa25d4a8c21d23c43f07d92223a989b8433024912c82c523a6f89cea985
- Size
  
  723KB
- MD5
  
  f0c62bf2250e0fcf06e9bca6d7a254fc
- SHA1
  
  a491dc0d11ec498a6f31d486ecf9befec1b6310d
- SHA256
  
  3658bfa25d4a8c21d23c43f07d92223a989b8433024912c82c523a6f89cea985
- SHA512
  
  f4db2cc79cb829d36a7cec72ec9a3e85368ad5d16749922c23b1df155369aca3db44cd5b409a21f9103e9fb035ca82727cedf1a16dc43580c1b9862806165fdb
- SSDEEP
  
  12288:hCoMRYBcDMQeDk+f7s/21zEAzmLUy+Qo/0hsbSzR82jZtBj2bKs2pZiLAuDmrpt7:hCJ1DMjf7VA1U1AzR8GVSbKs2pZiLAAh
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