General

  • Target

    5ac99bbe691224fd287b1779b9e1cdf072c5d9630953f5a4df5d49398d434e95

  • Size

    761KB

  • Sample

    240114-19lepsdchr

  • MD5

    9258bfe8d8bbabf415a67bf39d7c912c

  • SHA1

    0fe9c215d1fc9430bf9c055d446c7805f79f6725

  • SHA256

    5ac99bbe691224fd287b1779b9e1cdf072c5d9630953f5a4df5d49398d434e95

  • SHA512

    7b26ecff8224797aa5d7972e0d7a46d4743975d2cefff75c5d8d99aa57a6fd5b72a97faff6f1a08bb75b8254c41a556c0756fcdda7800e5890de1a6699ba6fb6

  • SSDEEP

    12288:0TSAO9OIqmUVIp+urd57CyDjXNodk1lOCrIxkbawucOV3bRxT+/:0RI2VIp+Yd9TNoorIxkBtM3txT+/

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .cdpo

  • offline_id

    Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1

  • payload_url

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

    http://habrafa.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-FCWSCsjEWS 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: 0844OSkw

rsa_pubkey.plain

Targets

    • Target

      5ac99bbe691224fd287b1779b9e1cdf072c5d9630953f5a4df5d49398d434e95

    • Size

      761KB

    • MD5

      9258bfe8d8bbabf415a67bf39d7c912c

    • SHA1

      0fe9c215d1fc9430bf9c055d446c7805f79f6725

    • SHA256

      5ac99bbe691224fd287b1779b9e1cdf072c5d9630953f5a4df5d49398d434e95

    • SHA512

      7b26ecff8224797aa5d7972e0d7a46d4743975d2cefff75c5d8d99aa57a6fd5b72a97faff6f1a08bb75b8254c41a556c0756fcdda7800e5890de1a6699ba6fb6

    • SSDEEP

      12288:0TSAO9OIqmUVIp+urd57CyDjXNodk1lOCrIxkbawucOV3bRxT+/:0RI2VIp+Yd9TNoorIxkBtM3txT+/

    • 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