General

  • Target

    6b263d1547dea150f2a1acc00b1b8f8ef30d400c31fe207e9f38a3a33e6461ee.exe

  • Size

    792KB

  • Sample

    240725-d4kvnayhjc

  • MD5

    702c4baf2e1e537f4234db687a8828d9

  • SHA1

    1edf421ac3cc70d434fb364be989af0fd45bb129

  • SHA256

    6b263d1547dea150f2a1acc00b1b8f8ef30d400c31fe207e9f38a3a33e6461ee

  • SHA512

    aea93d8a245a83f630ca0fb150d5bf2579b32a555c54f58bb15111e517aec2fa01b9e3527863d26eabf3d9238c5603e64a46900c844729aba7125b0a360257af

  • SSDEEP

    24576:UoaO7JQI2hjYsuaMBhfKFlH0KXEM5hLy:rnu1SaMDiaM5ly

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .kkia

  • 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: 0425Jsfkjn

rsa_pubkey.plain

Targets

    • Target

      6b263d1547dea150f2a1acc00b1b8f8ef30d400c31fe207e9f38a3a33e6461ee.exe

    • Size

      792KB

    • MD5

      702c4baf2e1e537f4234db687a8828d9

    • SHA1

      1edf421ac3cc70d434fb364be989af0fd45bb129

    • SHA256

      6b263d1547dea150f2a1acc00b1b8f8ef30d400c31fe207e9f38a3a33e6461ee

    • SHA512

      aea93d8a245a83f630ca0fb150d5bf2579b32a555c54f58bb15111e517aec2fa01b9e3527863d26eabf3d9238c5603e64a46900c844729aba7125b0a360257af

    • SSDEEP

      24576:UoaO7JQI2hjYsuaMBhfKFlH0KXEM5hLy:rnu1SaMDiaM5ly

    • 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