General

  • Target

    9f01c4411a75c7cce2dd3e797f8e5766_destroyer_wannacry_JC.exe

  • Size

    27KB

  • Sample

    230826-pttklabh8w

  • MD5

    9f01c4411a75c7cce2dd3e797f8e5766

  • SHA1

    5cbefedec484cad65830a409f0d417d7eb0aae99

  • SHA256

    bcd823dfc854eaa65a2309129245ac0ed1ee894e613e90b119edb87108dbac8b

  • SHA512

    82bce6de104a6be161012add397d30579e7e9562b86b179f6c0f0a51101bc1056c6fa8e69d84aca3a517b0e27a44f3e5b75f666f757e24445bd8883ad98eb62e

  • SSDEEP

    384:s3tWZPzzxAm1vp5Z+BhkRS74WtRQUxhhlsNpGOtlYOy5o91PoF/82vR:sO7zxAmpkhkRS1RQUxGN47ho9Bo982J

Malware Config

Extracted

Path

C:\ProgramData\Adobe\Updater6\read_it.txt

Ransom Note
Don't worry, you can return all your files! All your files like documents, photos, databases and other important are encrypted What guarantees do we give to you? You can send 3 of your encrypted files and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail :[email protected] ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: [email protected]) 2) Obtain Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)..

Targets

    • Target

      9f01c4411a75c7cce2dd3e797f8e5766_destroyer_wannacry_JC.exe

    • Size

      27KB

    • MD5

      9f01c4411a75c7cce2dd3e797f8e5766

    • SHA1

      5cbefedec484cad65830a409f0d417d7eb0aae99

    • SHA256

      bcd823dfc854eaa65a2309129245ac0ed1ee894e613e90b119edb87108dbac8b

    • SHA512

      82bce6de104a6be161012add397d30579e7e9562b86b179f6c0f0a51101bc1056c6fa8e69d84aca3a517b0e27a44f3e5b75f666f757e24445bd8883ad98eb62e

    • SSDEEP

      384:s3tWZPzzxAm1vp5Z+BhkRS74WtRQUxhhlsNpGOtlYOy5o91PoF/82vR:sO7zxAmpkhkRS1RQUxGN47ho9Bo982J

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables Task Manager via registry modification

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

MITRE ATT&CK Enterprise v15

Tasks