djvu | 680fc8b200915bc444ad17b2a7a80e27e8acd74f1c345aa17cd279205fe7a653

General

Target

680fc8b200915bc444ad17b2a7a80e27e8acd74f1c345aa17cd279205fe7a653
Size

807KB
Sample

221230-x65gmagd48
MD5

c4cb9dc75f13c0a62a29f2fa24d31de7
SHA1

2183df4e5c53df3af864589d09a0161373c7bc6b
SHA256

680fc8b200915bc444ad17b2a7a80e27e8acd74f1c345aa17cd279205fe7a653
SHA512

3a9654ca7e040bf22ce3b53818aba254afcd8004178d8cdc0b3d966c58c5b21bfdee0e489375f15e68fc5272f90bd269721a597303be3374bf49b12e731ab336
SSDEEP

24576:NhrX3/4/aHc1FIKu8ugfV7QT4zbisB2V:NdQiHcXu8uT6v

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

http://ex3mall.com/test1/get.php

Attributes

extension
.znsm
offline_id
bE95c2N1x4fARf4W3qmFCjkKPwfFkQaU9NpNBMt1
payload_url
http://uaery.top/dl/build2.exe

http://ex3mall.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

1.7

Botnet

19

C2

https://t.me/robloxblackl

https://steamcommunity.com/profiles/76561199458928097

Attributes

profile_id
19

Targets

- Target
  
  680fc8b200915bc444ad17b2a7a80e27e8acd74f1c345aa17cd279205fe7a653
- Size
  
  807KB
- MD5
  
  c4cb9dc75f13c0a62a29f2fa24d31de7
- SHA1
  
  2183df4e5c53df3af864589d09a0161373c7bc6b
- SHA256
  
  680fc8b200915bc444ad17b2a7a80e27e8acd74f1c345aa17cd279205fe7a653
- SHA512
  
  3a9654ca7e040bf22ce3b53818aba254afcd8004178d8cdc0b3d966c58c5b21bfdee0e489375f15e68fc5272f90bd269721a597303be3374bf49b12e731ab336
- SSDEEP
  
  24576:NhrX3/4/aHc1FIKu8ugfV7QT4zbisB2V:NdQiHcXu8uT6v
Score

10^/10

djvu vidar 19 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
- 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