General

  • Target

    2024-03-20_6f014d20774a7ec9869e54fe3d977f11_wannacry

  • Size

    127KB

  • Sample

    240320-gm124aaa48

  • MD5

    6f014d20774a7ec9869e54fe3d977f11

  • SHA1

    2f05737ded3e8f2a6c7468482a6d500ec32d7d30

  • SHA256

    3688345fc9eaee1073bfb24872d397a180a784e263b7a3b0ef91a8cd2bdad747

  • SHA512

    c67358c788beab21c192032fd157dbfaa81398c719a4d4091d49bef2d02c364760f1fac23721e433d7d10a7f25779db143a5f4f68cc07a500e14cb6b544852a8

  • SSDEEP

    1536:KNboAHq9CTesdi+y1WAPoRD9AuH7x9Z2eVGjzfnvI7BpxZe2WyKlsEX7xuTI3:ulHq9CliXWAPEV9Ue4znvqg2WVrxua

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

      2024-03-20_6f014d20774a7ec9869e54fe3d977f11_wannacry

    • Size

      127KB

    • MD5

      6f014d20774a7ec9869e54fe3d977f11

    • SHA1

      2f05737ded3e8f2a6c7468482a6d500ec32d7d30

    • SHA256

      3688345fc9eaee1073bfb24872d397a180a784e263b7a3b0ef91a8cd2bdad747

    • SHA512

      c67358c788beab21c192032fd157dbfaa81398c719a4d4091d49bef2d02c364760f1fac23721e433d7d10a7f25779db143a5f4f68cc07a500e14cb6b544852a8

    • SSDEEP

      1536:KNboAHq9CTesdi+y1WAPoRD9AuH7x9Z2eVGjzfnvI7BpxZe2WyKlsEX7xuTI3:ulHq9CliXWAPEV9Ue4znvqg2WVrxua

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Detects command variations typically used by ransomware

    • Detects executables containing many references to VEEAM. Observed in ransomware

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • 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)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks