General

  • Target

    a4099bbf1b3eb9a62df4f69302e9a84ace8c6b235d9fa3fb2fb9246d7ffa89aa

  • Size

    810KB

  • Sample

    230106-nvvcvafh57

  • MD5

    5c24f6f6c86564db7ea71bf01ec5dbc5

  • SHA1

    e0c5ac9895ba2621bb3ad63a3740d678d137dc59

  • SHA256

    a4099bbf1b3eb9a62df4f69302e9a84ace8c6b235d9fa3fb2fb9246d7ffa89aa

  • SHA512

    ce5c79e5b08087a13847c89ee5f372467f107eb0c376a07586be63ea2e052708aeddc21e3b16125d035351314c6b8fd9fc6038debd3a06d0be5268174159161e

  • SSDEEP

    24576:tchjW+rO8u7tR6RB8YtcfIE/zraQ4/cXmbv1:tchaKONbAadIICQ4/Ambv1

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

      a4099bbf1b3eb9a62df4f69302e9a84ace8c6b235d9fa3fb2fb9246d7ffa89aa

    • Size

      810KB

    • MD5

      5c24f6f6c86564db7ea71bf01ec5dbc5

    • SHA1

      e0c5ac9895ba2621bb3ad63a3740d678d137dc59

    • SHA256

      a4099bbf1b3eb9a62df4f69302e9a84ace8c6b235d9fa3fb2fb9246d7ffa89aa

    • SHA512

      ce5c79e5b08087a13847c89ee5f372467f107eb0c376a07586be63ea2e052708aeddc21e3b16125d035351314c6b8fd9fc6038debd3a06d0be5268174159161e

    • SSDEEP

      24576:tchjW+rO8u7tR6RB8YtcfIE/zraQ4/cXmbv1:tchaKONbAadIICQ4/Ambv1

    • 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