General

  • Target

    1f1dbb01c47532ee9d23c65b0906a4e919a82aaf7bc18bc164ce753bf412c994

  • Size

    782KB

  • Sample

    230108-s5jfjsdh98

  • MD5

    b5ef33148ce5909fa5bfa0cddcc2e8a1

  • SHA1

    a85191326afea23304859675da3e19481b9e5c0c

  • SHA256

    1f1dbb01c47532ee9d23c65b0906a4e919a82aaf7bc18bc164ce753bf412c994

  • SHA512

    b56f33af9a63f040eda93531b9b647ff3736bcb23406e9d956e5e72472e78fd51a3150248e9d44d97e71c037eadf31d8e53c8178085469a1d2b59471a28d2187

  • SSDEEP

    24576:LUZZdQRraful9+NPpMsebnbw++Y5AP9PUlDJ:LUHdQRrGulK4bnbw+dw2l

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bpsm

  • offline_id

    pu5TgkFNAS5fWQ2rCzdamsmMrE5wSlTupdTI0pt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://spaceris.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-rmxjMZAZBJ Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0626JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

1.8

Botnet

19

C2

https://t.me/year2023start

https://steamcommunity.com/profiles/76561199467421923

Attributes
  • profile_id

    19

Targets

    • Target

      1f1dbb01c47532ee9d23c65b0906a4e919a82aaf7bc18bc164ce753bf412c994

    • Size

      782KB

    • MD5

      b5ef33148ce5909fa5bfa0cddcc2e8a1

    • SHA1

      a85191326afea23304859675da3e19481b9e5c0c

    • SHA256

      1f1dbb01c47532ee9d23c65b0906a4e919a82aaf7bc18bc164ce753bf412c994

    • SHA512

      b56f33af9a63f040eda93531b9b647ff3736bcb23406e9d956e5e72472e78fd51a3150248e9d44d97e71c037eadf31d8e53c8178085469a1d2b59471a28d2187

    • SSDEEP

      24576:LUZZdQRraful9+NPpMsebnbw++Y5AP9PUlDJ:LUHdQRrGulK4bnbw+dw2l

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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

MITRE ATT&CK Enterprise v6

Tasks