djvu | 2b46540b359b4a71a9b90b9baeeb62e6173b31249745ef2e3d2a96de3b4f5e32

General

Target

2b46540b359b4a71a9b90b9baeeb62e6173b31249745ef2e3d2a96de3b4f5e32
Size

799KB
Sample

221005-s5knlsegc5
MD5

ba1706454ac5e3a8541f776d4ca961b0
SHA1

1eb730050e4e7981778f05f363ace28262d2f57a
SHA256

2b46540b359b4a71a9b90b9baeeb62e6173b31249745ef2e3d2a96de3b4f5e32
SHA512

2d875e2fcc79560560d1b703af0764d09b2bddb834c59f06de09ec94dda4f478b7fbde2da64e54e92a552d2b385d7e6ab4be7fa881cd650b200b6da4fc3f3579
SSDEEP

24576:d3KHh1+5ertXO0Z+ejV3AEXAUytjRcbK9Hu:dKK4tXb8wQ+E19H

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
  
  2b46540b359b4a71a9b90b9baeeb62e6173b31249745ef2e3d2a96de3b4f5e32
- Size
  
  799KB
- MD5
  
  ba1706454ac5e3a8541f776d4ca961b0
- SHA1
  
  1eb730050e4e7981778f05f363ace28262d2f57a
- SHA256
  
  2b46540b359b4a71a9b90b9baeeb62e6173b31249745ef2e3d2a96de3b4f5e32
- SHA512
  
  2d875e2fcc79560560d1b703af0764d09b2bddb834c59f06de09ec94dda4f478b7fbde2da64e54e92a552d2b385d7e6ab4be7fa881cd650b200b6da4fc3f3579
- SSDEEP
  
  24576:d3KHh1+5ertXO0Z+ejV3AEXAUytjRcbK9Hu:dKK4tXb8wQ+E19H
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