General

  • Target

    2ab8dd233966a10388b42c88ac2cdca5b3addf073ec9808897887a7b927c1c95

  • Size

    753KB

  • Sample

    221230-j8kcksfc38

  • MD5

    4eb75ef5262298cc36fb58775c0cff0e

  • SHA1

    72d39ddc7a502e00519695c467d6ff0eed29bdbb

  • SHA256

    2ab8dd233966a10388b42c88ac2cdca5b3addf073ec9808897887a7b927c1c95

  • SHA512

    7ae27a864206d8c7c9d129cd590681b60e6352f98e9267db3067c4e74ea610746ca29911bec772439808e4399d057c78bc8e6c10f3d1f385b8a147e4ff5e8989

  • SSDEEP

    12288:InYi/CdebkmxpWGEWoFab6YPPTidr0Sly+ez2k0/y:qCWiGuFab66gr0gyLz2P/y

Malware Config

Extracted

Family

djvu

C2

http://ex3mall.com/test1/get.php

Attributes
  • extension

    .znsm

  • offline_id

    bE95c2N1x4fARf4W3qmFCjkKPwfFkQaU9NpNBMt1

  • payload_url

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

    http://ex3mall.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-OKSOfVy04R 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: 0623Sduef

rsa_pubkey.plain

Extracted

Family

vidar

Version

1.7

Botnet

19

C2

https://t.me/robloxblackl

https://steamcommunity.com/profiles/76561199458928097

Attributes
  • profile_id

    19

Targets

    • Target

      2ab8dd233966a10388b42c88ac2cdca5b3addf073ec9808897887a7b927c1c95

    • Size

      753KB

    • MD5

      4eb75ef5262298cc36fb58775c0cff0e

    • SHA1

      72d39ddc7a502e00519695c467d6ff0eed29bdbb

    • SHA256

      2ab8dd233966a10388b42c88ac2cdca5b3addf073ec9808897887a7b927c1c95

    • SHA512

      7ae27a864206d8c7c9d129cd590681b60e6352f98e9267db3067c4e74ea610746ca29911bec772439808e4399d057c78bc8e6c10f3d1f385b8a147e4ff5e8989

    • SSDEEP

      12288:InYi/CdebkmxpWGEWoFab6YPPTidr0Sly+ez2k0/y:qCWiGuFab66gr0gyLz2P/y

    • 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

    • 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