General

  • Target

    1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053

  • Size

    4.1MB

  • Sample

    231012-e1l4zsef2z

  • MD5

    f9231ef9a95bef32c72a4719d1192eed

  • SHA1

    248689b07323e544dfb06840b31f4d63ccec2045

  • SHA256

    1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053

  • SHA512

    c6c9a0bec5f402e8f2f50ea461789d28d8618ee826b0f1ca5125fcbeee04e39cb2528934849024c268453be37026a20f65a812c318a32319d1f83c5ce43223c0

  • SSDEEP

    98304:sYNYHHiCYmJQ5bNo9nrBMTPttxv7J5XQEYVGufSrvR4Z8m373:XNYiHQ+pMn4PNnZXu6rvR4Zr3

Malware Config

Targets

    • Target

      1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053

    • Size

      4.1MB

    • MD5

      f9231ef9a95bef32c72a4719d1192eed

    • SHA1

      248689b07323e544dfb06840b31f4d63ccec2045

    • SHA256

      1d95b9b8ec5fd812f3e1b94e60933a3a782c63b1163be3febfcba175154b8053

    • SHA512

      c6c9a0bec5f402e8f2f50ea461789d28d8618ee826b0f1ca5125fcbeee04e39cb2528934849024c268453be37026a20f65a812c318a32319d1f83c5ce43223c0

    • SSDEEP

      98304:sYNYHHiCYmJQ5bNo9nrBMTPttxv7J5XQEYVGufSrvR4Z8m373:XNYiHQ+pMn4PNnZXu6rvR4Zr3

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks