General

  • Target

    1801aa0987a01c4aa0f88863e56264d8e48927e2ab679a99f57cc216a937ae0f

  • Size

    819KB

  • Sample

    240114-17w4esdcfp

  • MD5

    60a3073fc91369410485c9a8f1dea5a8

  • SHA1

    7aa21b735e2461a945c09c66be487be14c4fd4cf

  • SHA256

    1801aa0987a01c4aa0f88863e56264d8e48927e2ab679a99f57cc216a937ae0f

  • SHA512

    a2899a2ac77fe26a85751492cb073f990b367b7c846100e10c52c8ed207d0fc246de1ed2b5670bbda9cbf8dcaf3673ef5015d7321ddde5d8f747e837af586763

  • SSDEEP

    12288:ixXGlV2sBhgj184TNLSrOrx7RgSTBlPlO16MReiZeIrMw0DzMlGWmV:lTBuJLSrO97RBDN7MR3Zft0PMm

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .cdwe

  • offline_id

    dSwr1XNNi5cIitB5eDPbMANcusB1dWGDB8ToUnt1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://zexeq.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-e21iz7dS58 Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0842ASdw

rsa_pubkey.plain

Targets

    • Target

      1801aa0987a01c4aa0f88863e56264d8e48927e2ab679a99f57cc216a937ae0f

    • Size

      819KB

    • MD5

      60a3073fc91369410485c9a8f1dea5a8

    • SHA1

      7aa21b735e2461a945c09c66be487be14c4fd4cf

    • SHA256

      1801aa0987a01c4aa0f88863e56264d8e48927e2ab679a99f57cc216a937ae0f

    • SHA512

      a2899a2ac77fe26a85751492cb073f990b367b7c846100e10c52c8ed207d0fc246de1ed2b5670bbda9cbf8dcaf3673ef5015d7321ddde5d8f747e837af586763

    • SSDEEP

      12288:ixXGlV2sBhgj184TNLSrOrx7RgSTBlPlO16MReiZeIrMw0DzMlGWmV:lTBuJLSrO97RBDN7MR3Zft0PMm

    • Detect Vidar Stealer

    • 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

    • 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