djvu | 5b7761f34e35ebee0a4f76e3c4078c3d98e6f27840f981c5f3c7f47a8ba43e44

General

Target
046574dc17dca15013376cc8af4c799f.exe
Size 739KB
Sample221028-ebmn8aedg9
SHA256 5b7761f34e35ebee0a4f76e3c4078c3d98e6f27840f981c5f3c7f47a8ba43e44
MD5 046574dc17dca15013376cc8af4c799f
SHA1 68e3dc8ad4fce013bd822f95ff662252370e2800
SHA512 87ac31f9f72f019ef1b1e83b2b2abae4129acff466b8f82b350a4d943c93918864adabaf3438bc0bda5190f2eccb159529d6dd735c03496928f474d0813efbba
SSDEEP 12288:rU4CZCW3vD4jj1/ySJ0dfA8B2qTHmNPPAPGOotJpbld7jQmP9DX+An3U:rTKBMjlySJ0dF2KGNPGotJpbltQ8CV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nuis
offline_id
KFBzXY7hTnWvKHIgFKUOR1MsE6RDJJwQPj1ozPt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

55.3

Botnet

517

C2

https://t.me/slivetalks
https://c.im/@xinibin420

Attributes

profile_id
517

Targets

- Target
  046574dc17dca15013376cc8af4c799f.exe
- Size 739KB
- SHA256 5b7761f34e35ebee0a4f76e3c4078c3d98e6f27840f981c5f3c7f47a8ba43e44
- MD5 046574dc17dca15013376cc8af4c799f
- SHA1 68e3dc8ad4fce013bd822f95ff662252370e2800
- SHA512 87ac31f9f72f019ef1b1e83b2b2abae4129acff466b8f82b350a4d943c93918864adabaf3438bc0bda5190f2eccb159529d6dd735c03496928f474d0813efbba
- SSDEEP 12288:rU4CZCW3vD4jj1/ySJ0dfA8B2qTHmNPPAPGOotJpbld7jQmP9DX+An3U:rTKBMjlySJ0dF2KGNPGotJpbltQ8CV
- MD5 SHA1 SHA512 SSDEEP
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 behavioral2