djvu | 72a51980404a29582ee0ec81f7914911fa782a2a1ad22b07af89b51b09f378a8

General

Target

72a51980404a29582ee0ec81f7914911fa782a2a1ad22b07af89b51b09f378a8
Size

664KB
Sample

221005-3cf5tsgbdm
MD5

810e56fd5e5b9f0fe09eac69ccb6a90d
SHA1

a47608c7f2fe75fd253246a64477828247f084a4
SHA256

72a51980404a29582ee0ec81f7914911fa782a2a1ad22b07af89b51b09f378a8
SHA512

c3e5bde5516ba933b9c8607afc0484f9ec216d9c721ede450b369949049f10fc5e7824e39cc26791b09c0066c7f3767915e536908c3641c0f8fd6db307a7f739
SSDEEP

12288:jHlt2K28Ygg1u/oN5G/gs6vAo8UL2Uq6T61q4W9W6c85CS+fkj0BIDymSbCuraU3:jHmHgn/oPSWvgUlN+Q4Wfc8ES+q0QSbJ

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adlg
offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
517

Targets

- Target
  
  72a51980404a29582ee0ec81f7914911fa782a2a1ad22b07af89b51b09f378a8
- Size
  
  664KB
- MD5
  
  810e56fd5e5b9f0fe09eac69ccb6a90d
- SHA1
  
  a47608c7f2fe75fd253246a64477828247f084a4
- SHA256
  
  72a51980404a29582ee0ec81f7914911fa782a2a1ad22b07af89b51b09f378a8
- SHA512
  
  c3e5bde5516ba933b9c8607afc0484f9ec216d9c721ede450b369949049f10fc5e7824e39cc26791b09c0066c7f3767915e536908c3641c0f8fd6db307a7f739
- SSDEEP
  
  12288:jHlt2K28Ygg1u/oN5G/gs6vAo8UL2Uq6T61q4W9W6c85CS+fkj0BIDymSbCuraU3:jHmHgn/oPSWvgUlN+Q4Wfc8ES+q0QSbJ
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
- 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