djvu | 44e7f290637d4cf3bf0e2e12e5d4705c8dfb5aa273f18c1c713bd2b2bc413e64

General

Target
44e7f290637d4cf3bf0e2e12e5d4705c8dfb5aa273f18c1c713bd2b2bc413e64
Size 726KB
Sample221021-v35bcaged5
SHA256 44e7f290637d4cf3bf0e2e12e5d4705c8dfb5aa273f18c1c713bd2b2bc413e64
MD5 afd1cdeac9e868b8330d87f1eda2d23a
SHA1 bf7e1c1b9ae6dc52c64b7601b578efec9ebc6a6c
SHA512 cba79c44564514db8bbddaffad4978f35269913cee8e261cae0aca692920bb5c309b11c85e7bdbfff887ed078f967d51189ddb0825afe67979e60da843ab07ba
SSDEEP 12288:lKjHWHd4nmrbJDkhHD99A4x+zueR2YVZTf7NWwTKRH2Y7Twhco7INzUFk+:lKrUdQ9hHDXNxVeRpGH2Y7Ico7rm+
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://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
  44e7f290637d4cf3bf0e2e12e5d4705c8dfb5aa273f18c1c713bd2b2bc413e64
- Size 726KB
- SHA256 44e7f290637d4cf3bf0e2e12e5d4705c8dfb5aa273f18c1c713bd2b2bc413e64
- MD5 afd1cdeac9e868b8330d87f1eda2d23a
- SHA1 bf7e1c1b9ae6dc52c64b7601b578efec9ebc6a6c
- SHA512 cba79c44564514db8bbddaffad4978f35269913cee8e261cae0aca692920bb5c309b11c85e7bdbfff887ed078f967d51189ddb0825afe67979e60da843ab07ba
- SSDEEP 12288:lKjHWHd4nmrbJDkhHD99A4x+zueR2YVZTf7NWwTKRH2Y7Twhco7INzUFk+:lKrUdQ9hHDXNxVeRpGH2Y7Ico7rm+
- 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