Overview

overview

10

Static

static

3

55e76df782...68.exe

windows7-x64

10

55e76df782...68.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_851fc4f6765ad4015d96a5952098b255c720ec8d88a974d6dfc498bec91910f3

  • Size

    676KB

  • Sample

    241222-xe4e9awlgn

  • MD5

    20c1063f984f5476f05de4c3735ef1a0

  • SHA1

    65423aa958acb6b26d644221c90581a24269e878

  • SHA256

    851fc4f6765ad4015d96a5952098b255c720ec8d88a974d6dfc498bec91910f3

  • SHA512

    ae1f66d17c5f2476dec8be7c27dd8a668ad73a5c7bd964b68a733fd64dcfa6cf087539f7591e846836daecec4d7f1a7ba4801e58c5d05bbb17238273b794356a

  • SSDEEP

    12288:3xy/guavLD20/BxB9wf1Ej5VtlTylwGMR0Hb6nCCkKeLcPpu7EQ0N/Yj:3sYuavL//B1wf1EjPtsJ2076CCkfcPkF

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vveo

  • offline_id

    rE5LpDv2ftYRXAo7bC18EpzfRMTHSGjgfyIMfZt1

  • payload_url

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

    http://acacaca.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-QsoSRIeAK6 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: 0533Jhyjd

rsa_pubkey.plain

Targets

    • Target

      55e76df782e2a76e93ae1cc632942a169794a544b9c472e1043ea5a5eb70bd68

    • Size

      814KB

    • MD5

      960c9dad66df9d52c73f149540b6f7b3

    • SHA1

      11920d07db2635587e2bb198d7c209d2e1be65ad

    • SHA256

      55e76df782e2a76e93ae1cc632942a169794a544b9c472e1043ea5a5eb70bd68

    • SHA512

      f1a64cf32418b1c932a0dc93521895eed60a87abdebba5f0c3bac4e3345655285038077e15f44014b6e840a07e5d9d1e944ed422148b62bc5059cf70537d0a14

    • SSDEEP

      24576:2sX+/5uah35/BV2fHEPPtgjS0f6cCWdcPub:2JwHgCjS0FCY

    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