General

  • Target

    9ad258a814d69b7bfb48afaeda5a966308ffedb0cf7454a815c88c42629a745c.exe

  • Size

    793KB

  • Sample

    240725-ff1x3ssfmb

  • MD5

    c4f847e7beee920fffd16f694b681d46

  • SHA1

    b438c60457464b10c18f7ee652c6251c5ce5a619

  • SHA256

    9ad258a814d69b7bfb48afaeda5a966308ffedb0cf7454a815c88c42629a745c

  • SHA512

    bcdde6ab9d79a527bb7b92a97e08de7109246b11afed390b3a96b5d3066947b690dfdc877a701b43756167ecec8c34b6ba14306368fd03649c4607442c48695e

  • SSDEEP

    24576:MpTGDCilbkZd/W8+28gKNUVJFqlxhcW3W8:2TWlloZhWJJmolxqWV

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .mmuz

  • offline_id

    dYUDKE4rrBmSPsf8srHMsyP40jle9uyxDDCfdxt1

  • 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-NdDG3HIUZp 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: 0428Jsfkjn

rsa_pubkey.plain

Targets

    • Target

      9ad258a814d69b7bfb48afaeda5a966308ffedb0cf7454a815c88c42629a745c.exe

    • Size

      793KB

    • MD5

      c4f847e7beee920fffd16f694b681d46

    • SHA1

      b438c60457464b10c18f7ee652c6251c5ce5a619

    • SHA256

      9ad258a814d69b7bfb48afaeda5a966308ffedb0cf7454a815c88c42629a745c

    • SHA512

      bcdde6ab9d79a527bb7b92a97e08de7109246b11afed390b3a96b5d3066947b690dfdc877a701b43756167ecec8c34b6ba14306368fd03649c4607442c48695e

    • SSDEEP

      24576:MpTGDCilbkZd/W8+28gKNUVJFqlxhcW3W8:2TWlloZhWJJmolxqWV

    • 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