General

  • Target

    7e55984b301bf836995807293d281046d0d14f26e113727e2cc8e993f0de45a8.exe

  • Size

    808KB

  • Sample

    240725-erv1jaxgrp

  • MD5

    7b3ba23e2f1667c93a42d9531df5a9b1

  • SHA1

    f44e0a30fc5f9dc4d542f9e5f9a177e7ae351a3d

  • SHA256

    7e55984b301bf836995807293d281046d0d14f26e113727e2cc8e993f0de45a8

  • SHA512

    dadb4d745100f411e3f19ec35a4a9946560cb082557ca23c768ce18b6ad83a8ade3c6cb386b3eaea0d60b80b8fc831b3716ed0709f04cd7d4e591ab06ea42bb8

  • SSDEEP

    12288:KpbOG6JimFC/I4e8yxHJpe2J9wKtQJG8LsgAOmdx/uw15JKz5+/Tp:KpbOG60mFWI4cp/91Cls1OaJ4wT

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

Attributes
  • extension

    .ofoq

  • offline_id

    xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1

  • payload_url

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

    http://winnlinne.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-EWKSsSJiVn 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: 0568Jhyjd

rsa_pubkey.plain

Targets

    • Target

      7e55984b301bf836995807293d281046d0d14f26e113727e2cc8e993f0de45a8.exe

    • Size

      808KB

    • MD5

      7b3ba23e2f1667c93a42d9531df5a9b1

    • SHA1

      f44e0a30fc5f9dc4d542f9e5f9a177e7ae351a3d

    • SHA256

      7e55984b301bf836995807293d281046d0d14f26e113727e2cc8e993f0de45a8

    • SHA512

      dadb4d745100f411e3f19ec35a4a9946560cb082557ca23c768ce18b6ad83a8ade3c6cb386b3eaea0d60b80b8fc831b3716ed0709f04cd7d4e591ab06ea42bb8

    • SSDEEP

      12288:KpbOG6JimFC/I4e8yxHJpe2J9wKtQJG8LsgAOmdx/uw15JKz5+/Tp:KpbOG60mFWI4cp/91Cls1OaJ4wT

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • 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 v15

Tasks