General

  • Target

    JaffaCakes118_4c5b857f6ad86bbdabe31f13aac9e5b3f4754e626540d179186df98f7e3e8840

  • Size

    777KB

  • Sample

    241223-x4at8sylav

  • MD5

    470d4f279031b9fa88031b14b154879d

  • SHA1

    8586537888f1b1cf836b89bf7fcfa1be1ec37380

  • SHA256

    4c5b857f6ad86bbdabe31f13aac9e5b3f4754e626540d179186df98f7e3e8840

  • SHA512

    70f86b5fd099fc9d2435d73783c28d9e8b1cc98bdc9bda1af4b233e7a3c4ca0a202a4cfeb85cbf12fa730916a9402be95e3f7274fa0d46673b16df80528d5405

  • SSDEEP

    24576:GF/GiZE0NEsSXkCScf1V32l7+5UcxTxk+vX:G3jNkX1Scf1VSek+vX

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

      JaffaCakes118_4c5b857f6ad86bbdabe31f13aac9e5b3f4754e626540d179186df98f7e3e8840

    • Size

      777KB

    • MD5

      470d4f279031b9fa88031b14b154879d

    • SHA1

      8586537888f1b1cf836b89bf7fcfa1be1ec37380

    • SHA256

      4c5b857f6ad86bbdabe31f13aac9e5b3f4754e626540d179186df98f7e3e8840

    • SHA512

      70f86b5fd099fc9d2435d73783c28d9e8b1cc98bdc9bda1af4b233e7a3c4ca0a202a4cfeb85cbf12fa730916a9402be95e3f7274fa0d46673b16df80528d5405

    • SSDEEP

      24576:GF/GiZE0NEsSXkCScf1V32l7+5UcxTxk+vX:G3jNkX1Scf1VSek+vX

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Djvu family

    • Checks computer location settings

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

    • 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