djvu | 1a460ea87f9c5a4100c33a1f1cb2ca82298e3ec5b119eb743fbc0b64b413d8eb

General

Target
1a460ea87f9c5a4100c33a1f1cb2ca82298e3ec5b119eb743fbc0b64b413d8eb
Size 722KB
Sample221023-bwk5cafff2
SHA256 1a460ea87f9c5a4100c33a1f1cb2ca82298e3ec5b119eb743fbc0b64b413d8eb
MD5 5f5495cd6966818d9ef5e4297a019dd3
SHA1 f64d6687202be5cbc2bc03cb91d791d700f0e3db
SHA512 19113dc24fdba30018d26f2dcfbe69c0a028b821556598c28cdfbc7435a662e0658b343041794b1c08c8705cf1bf6e782b125fdcb5feea7b2ea6e869161b0651
SSDEEP 12288:t9Usyqaat7QrpfRQcRIVwW0gN0LKTI9mQgWaA4ZHUUtDg0usb:tOqJu1RICW0u0ugmQgfJFg0Lb
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nury
offline_id
KFBzXY7hTnWvKHIgFKUOR1MsE6RDJJwQPj1ozPt1
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

55.1

Botnet

517

C2

https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  1a460ea87f9c5a4100c33a1f1cb2ca82298e3ec5b119eb743fbc0b64b413d8eb
- Size 722KB
- SHA256 1a460ea87f9c5a4100c33a1f1cb2ca82298e3ec5b119eb743fbc0b64b413d8eb
- MD5 5f5495cd6966818d9ef5e4297a019dd3
- SHA1 f64d6687202be5cbc2bc03cb91d791d700f0e3db
- SHA512 19113dc24fdba30018d26f2dcfbe69c0a028b821556598c28cdfbc7435a662e0658b343041794b1c08c8705cf1bf6e782b125fdcb5feea7b2ea6e869161b0651
- SSDEEP 12288:t9Usyqaat7QrpfRQcRIVwW0gN0LKTI9mQgWaA4ZHUUtDg0usb:tOqJu1RICW0u0ugmQgfJFg0Lb
- 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