Overview

overview

10

Static

static

3

JaffaCakes...94.exe

windows7-x64

10

JaffaCakes...94.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_7cf2b484f08770092a1ad648e8239e358db8a96f4d42d3d9ed14fca384591794

  • Size

    767KB

  • Sample

    241225-w2s3cs1rht

  • MD5

    80a5d8f634257cbfeb6ce7c8bcdd4bac

  • SHA1

    c2673b315213ce1dd9b1ace0cb27e185b7ea3e11

  • SHA256

    7cf2b484f08770092a1ad648e8239e358db8a96f4d42d3d9ed14fca384591794

  • SHA512

    247a99cc29122e2e12b0fc0669b10bbb2860db0ca0e1f70c33384e6135a4835eb287a3b8aa039a8027810de174768d21b942a5a88f60fbe7768f0a380dafa697

  • SSDEEP

    12288:DkQBhhuIw/VJM0Kkt2w0ILHrIGfHkV5bOfNsRlojub6w:4kEjuXkvL8GfETOiRlo6b6w

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ghas

  • offline_id

    miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1

  • 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-0SLhZxAjRX 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: 0445JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_7cf2b484f08770092a1ad648e8239e358db8a96f4d42d3d9ed14fca384591794

    • Size

      767KB

    • MD5

      80a5d8f634257cbfeb6ce7c8bcdd4bac

    • SHA1

      c2673b315213ce1dd9b1ace0cb27e185b7ea3e11

    • SHA256

      7cf2b484f08770092a1ad648e8239e358db8a96f4d42d3d9ed14fca384591794

    • SHA512

      247a99cc29122e2e12b0fc0669b10bbb2860db0ca0e1f70c33384e6135a4835eb287a3b8aa039a8027810de174768d21b942a5a88f60fbe7768f0a380dafa697

    • SSDEEP

      12288:DkQBhhuIw/VJM0Kkt2w0ILHrIGfHkV5bOfNsRlojub6w:4kEjuXkvL8GfETOiRlo6b6w

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Djvu family

      djvu

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks