General

  • Target

    bf771de1c2a064ca7acf4cecbeeb6a4f23895befc680a76747f8a7c7c7c3d80c.exe

  • Size

    825KB

  • Sample

    240725-ggmmhs1hpn

  • MD5

    af65ccf76bb0453e85a1019150294bec

  • SHA1

    c1b2d8ee90d3d08986f3bf77cca9d4c7448d9667

  • SHA256

    bf771de1c2a064ca7acf4cecbeeb6a4f23895befc680a76747f8a7c7c7c3d80c

  • SHA512

    1581fe49155c0f148748bffeec008124c3959cb03e49e186f8d4888b10f87b6e2f3f54ffceb6740682097d2471fba4e639b29719941975bdc1de598a739909ed

  • SSDEEP

    12288:VzedirmqkssQkACWe52If6Yli2ZuYr1yRqz2e+6MUcfPDHYe1IO7151N/BGg9:VzrmsB5zIS81oAv+6MtPD4eiOztp9

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .eyrv

  • offline_id

    1WQ4dDSY8AVihbECj8VLUDhHWpSCoV5it0bIDjt1

  • payload_url

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

    http://fuyt.org/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-kilPVod4em 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: 0420Jsfkjn

rsa_pubkey.plain

Targets

    • Target

      bf771de1c2a064ca7acf4cecbeeb6a4f23895befc680a76747f8a7c7c7c3d80c.exe

    • Size

      825KB

    • MD5

      af65ccf76bb0453e85a1019150294bec

    • SHA1

      c1b2d8ee90d3d08986f3bf77cca9d4c7448d9667

    • SHA256

      bf771de1c2a064ca7acf4cecbeeb6a4f23895befc680a76747f8a7c7c7c3d80c

    • SHA512

      1581fe49155c0f148748bffeec008124c3959cb03e49e186f8d4888b10f87b6e2f3f54ffceb6740682097d2471fba4e639b29719941975bdc1de598a739909ed

    • SSDEEP

      12288:VzedirmqkssQkACWe52If6Yli2ZuYr1yRqz2e+6MUcfPDHYe1IO7151N/BGg9:VzrmsB5zIS81oAv+6MtPD4eiOztp9

    • 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