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Overview

overview

10

Static

static

3

28ab91ea2d...5d.exe

windows7-x64

10

28ab91ea2d...5d.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_54ae5f8e7f48ef0add9403ced9dbed4419f642e474278dc215cdd140077c1545

  • Size

    659KB

  • Sample

    241229-an7spswqdm

  • MD5

    aae31cea4d348a5bedff1c534b95dbc3

  • SHA1

    99dd2d0220d8dda06da526264b9d1d563f6a1392

  • SHA256

    54ae5f8e7f48ef0add9403ced9dbed4419f642e474278dc215cdd140077c1545

  • SHA512

    7858378d69a647c02788c7d48ccfa3be5cbbecf4af19727f487dbc3ff679c0d92da2691923915220a52dfb94e6a110e4958ced9967dde8e7840929533c687064

  • SSDEEP

    12288:xHFRulLixe8X8Ub98Nc4U4+Wm5hh4MUC3tzaYroC+jhysJUz00uL01R6NCbgVGg3:VFRsixlX8Q6C5CMVtzaYKh72zGg1R6fH

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .udla

  • offline_id

    qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1

  • 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-fnn5kv33Vv 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: 0435JIjdm

rsa_pubkey.plain

Targets

    • Target

      28ab91ea2d0e18a098cf8d26e786a7a477a98d6b0a6dcc1ec9e6e54395534b5d

    • Size

      793KB

    • MD5

      bb3a78f059d635fa48ffc3d7b5ee4a55

    • SHA1

      3ee29a432ab0d44404429e33d4380f5ee940c2a1

    • SHA256

      28ab91ea2d0e18a098cf8d26e786a7a477a98d6b0a6dcc1ec9e6e54395534b5d

    • SHA512

      2b9d2e359e6a8e7e7aa35593fabe7be4d4ab186ac214dd4e9a677b33856aec39c71340bfb6dcbfe6f5beacd251d1baa0b29e41706b75fd86dde50063fe649229

    • SSDEEP

      12288:RM3xe1DtJUb9qNY4U4+em5Dn4MKC3tzmYroG+jhssJUzS0uL0pR6NubkVGgmto1:R0QDTQ0ixeMbtzmYMhN2zkgpR6hGg7

    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