djvu | 14767fe445a0745c8397319fd8b36dffeca44454ec4107d489e111c2730661d1

General

Target

14767fe445a0745c8397319fd8b36dffeca44454ec4107d489e111c2730661d1
Size

794KB
Sample

221010-1jpdnsdecp
MD5

477f4d9acf2c970ddaab25d54fa585f7
SHA1

840c64d9a713cba9506a75d16034e86bf724f788
SHA256

14767fe445a0745c8397319fd8b36dffeca44454ec4107d489e111c2730661d1
SHA512

972e5f7bd175814d67261a1231c434d8540f2f1bb0a8acc55656f408af0b9fc9fe3b66f3d3180eb30e7fbd7c83c435485e2ceba7e3940c6e052fb4bd7d570387
SSDEEP

24576:MKkxt4k/XbGxcWz+PAjoipvkSlrOxeY1apa:MKk0kzubJjoipvkSl611a

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tohj
offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
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
  
  14767fe445a0745c8397319fd8b36dffeca44454ec4107d489e111c2730661d1
- Size
  
  794KB
- MD5
  
  477f4d9acf2c970ddaab25d54fa585f7
- SHA1
  
  840c64d9a713cba9506a75d16034e86bf724f788
- SHA256
  
  14767fe445a0745c8397319fd8b36dffeca44454ec4107d489e111c2730661d1
- SHA512
  
  972e5f7bd175814d67261a1231c434d8540f2f1bb0a8acc55656f408af0b9fc9fe3b66f3d3180eb30e7fbd7c83c435485e2ceba7e3940c6e052fb4bd7d570387
- SSDEEP
  
  24576:MKkxt4k/XbGxcWz+PAjoipvkSlrOxeY1apa:MKk0kzubJjoipvkSl611a
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