General

  • Target

    4ad5dd9875ee313e078f13592bf99c111726e439173af14c3c3d1997044fbc69

  • Size

    782KB

  • Sample

    230108-jhyghsgd6x

  • MD5

    248b85957f2dc6dcfa7b66654311ccab

  • SHA1

    ac4489e61663046cf74247a402952b2b88df679b

  • SHA256

    4ad5dd9875ee313e078f13592bf99c111726e439173af14c3c3d1997044fbc69

  • SHA512

    11456b302cfd84bde6645b28e3bfbe6f588819eb33e78d703e9c760b01d3de6fefc01ef3bbadf605e4714bf4fe99b171f802733d010ab2682536e09f0094684f

  • SSDEEP

    24576:kw0IiwKmKFp9Rutmr6jY3eG3z3DaG8BJ:kw5ij9R6nYuEiG8P

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

      4ad5dd9875ee313e078f13592bf99c111726e439173af14c3c3d1997044fbc69

    • Size

      782KB

    • MD5

      248b85957f2dc6dcfa7b66654311ccab

    • SHA1

      ac4489e61663046cf74247a402952b2b88df679b

    • SHA256

      4ad5dd9875ee313e078f13592bf99c111726e439173af14c3c3d1997044fbc69

    • SHA512

      11456b302cfd84bde6645b28e3bfbe6f588819eb33e78d703e9c760b01d3de6fefc01ef3bbadf605e4714bf4fe99b171f802733d010ab2682536e09f0094684f

    • SSDEEP

      24576:kw0IiwKmKFp9Rutmr6jY3eG3z3DaG8BJ:kw5ij9R6nYuEiG8P

    • 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