djvu | 87fc417e3d16537ab9ccd32539c9f673138fe9daba4e3c283171d4217c453ebd

General

Target

87fc417e3d16537ab9ccd32539c9f673138fe9daba4e3c283171d4217c453ebd
Size

666KB
Sample

221002-gw3x2sbdh9
MD5

8eb37db5834ef61c9f1dfbf3a00edc0e
SHA1

368fb51ab95f35f1d2292c5d4944b3ce3fcaec78
SHA256

87fc417e3d16537ab9ccd32539c9f673138fe9daba4e3c283171d4217c453ebd
SHA512

5293e7817cac02cd7582053e260c0f03f13cb1e94c210794c81d87c12156060bae68a43e51eb99a6f463a5ff104826db8c5927f26d7b394720566aa225016419
SSDEEP

12288:qQsbQvqPD7WrqMMu8QUIuZITN7GK0xFceNfI2dEL3uiFjMENA3C:qQsbQvkGrOUu2JgFpNfdELPMqA

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

Attributes

extension
.ofoq
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes

profile_id
517

Targets

- Target
  
  87fc417e3d16537ab9ccd32539c9f673138fe9daba4e3c283171d4217c453ebd
- Size
  
  666KB
- MD5
  
  8eb37db5834ef61c9f1dfbf3a00edc0e
- SHA1
  
  368fb51ab95f35f1d2292c5d4944b3ce3fcaec78
- SHA256
  
  87fc417e3d16537ab9ccd32539c9f673138fe9daba4e3c283171d4217c453ebd
- SHA512
  
  5293e7817cac02cd7582053e260c0f03f13cb1e94c210794c81d87c12156060bae68a43e51eb99a6f463a5ff104826db8c5927f26d7b394720566aa225016419
- SSDEEP
  
  12288:qQsbQvqPD7WrqMMu8QUIuZITN7GK0xFceNfI2dEL3uiFjMENA3C:qQsbQvkGrOUu2JgFpNfdELPMqA
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