Overview

overview

10

Static

static

3

JaffaCakes...34.exe

windows7-x64

10

JaffaCakes...34.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34

  • Size

    829KB

  • Sample

    241228-25grdsvmfk

  • MD5

    734ae031b3a4a246f4211f4b378be099

  • SHA1

    b98d03592af85cd345f8fd9db3bf1d575e6ce80a

  • SHA256

    da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34

  • SHA512

    11e80d519e59ca626e504eb44f7f801cc1c355f6282a1037e988b8dd089ed3ec2ca59df7cf3a3d04840f0ec3d431d510361e1ef2042573b44abec4488ff94c07

  • SSDEEP

    12288:ThydzySr8NfwOM9uj0hJeA6h9f37TXVY+6PbGu0lDdqD0SUF5y3sTl9unnwQ7/X:NuJuQhJC9f37hYNb4A0X5y30lOwA

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .gtys

  • 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: 0439JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34

    • Size

      829KB

    • MD5

      734ae031b3a4a246f4211f4b378be099

    • SHA1

      b98d03592af85cd345f8fd9db3bf1d575e6ce80a

    • SHA256

      da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34

    • SHA512

      11e80d519e59ca626e504eb44f7f801cc1c355f6282a1037e988b8dd089ed3ec2ca59df7cf3a3d04840f0ec3d431d510361e1ef2042573b44abec4488ff94c07

    • SSDEEP

      12288:ThydzySr8NfwOM9uj0hJeA6h9f37TXVY+6PbGu0lDdqD0SUF5y3sTl9unnwQ7/X:NuJuQhJC9f37hYNb4A0X5y30lOwA

    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