Overview

overview

9

Static

static

3

Kayflockmp4.exe

windows11-21h2-x64

9

Resubmissions

07-01-2024 17:33

240107-v5cdcaccf5 9

07-01-2024 17:33

240107-v49mfsbdbl 9

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General

  • Target

    Kayflockmp4.exe

  • Size

    429KB

  • Sample

    240107-v49mfsbdbl

  • MD5

    b88444cf2c03ce4efe2a1608a379ee53

  • SHA1

    68d9285ee72288656c258cf9db9c564226a48ddb

  • SHA256

    d70e292a21ebc5ca1675ca585bcae52a51aad4bcee9bbbaf44b0a2cc635b64c7

  • SHA512

    7c9e116a417f2a15d2ca3f70b61697c9e34b6131b12221032cde9d64c41993f6f8cfa34196ed99122aa34d59159955d6362827f0d4eee1688bce465539e8d633

  • SSDEEP

    12288:Zt5NpMGK6Ia5Jr4IQAvq3eSKXvVZhuwxHvh:Zt5NGGzIo3QSqOS+VZhT

Score
9/10
evasionthemidatrojan

Malware Config

Targets

    • Target

      Kayflockmp4.exe

    • Size

      429KB

    • MD5

      b88444cf2c03ce4efe2a1608a379ee53

    • SHA1

      68d9285ee72288656c258cf9db9c564226a48ddb

    • SHA256

      d70e292a21ebc5ca1675ca585bcae52a51aad4bcee9bbbaf44b0a2cc635b64c7

    • SHA512

      7c9e116a417f2a15d2ca3f70b61697c9e34b6131b12221032cde9d64c41993f6f8cfa34196ed99122aa34d59159955d6362827f0d4eee1688bce465539e8d633

    • SSDEEP

      12288:Zt5NpMGK6Ia5Jr4IQAvq3eSKXvVZhuwxHvh:Zt5NGGzIo3QSqOS+VZhT

    Score
    9/10
    evasionthemidatrojan

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks