General

  • Target

    02042025_0151_2025.1AdobeReaderPDF.msi

  • Size

    2.9MB

  • Sample

    250402-caa8payyht

  • MD5

    8570a2dc7b26b6a69b4ee3bb3c5a0c0f

  • SHA1

    a5780fa5fdd9deb29e701b22860f04c8c961d090

  • SHA256

    b283c5d9f50a5d59325b3fdf56043d0d656e2d3d78ef7c27c62d68f38998786c

  • SHA512

    81b9ef38f469fff4284b3aaf669392445d2963da21db4634d08d7ee389f9047d3b0b13b1973a0e9b42f90e34561a018b2f5c99a4a782a2ccfc285630f52661be

  • SSDEEP

    49152:9+1Ypn4N2MGVv1zyIBWGppT9jnMHRjOOozjcqZJN8dUZTwYaH7oqPxMbY+K/tzQz:9+lUlz9FKbsodq0YaH7ZPxMb8tT

Malware Config

Targets

    • Target

      02042025_0151_2025.1AdobeReaderPDF.msi

    • Size

      2.9MB

    • MD5

      8570a2dc7b26b6a69b4ee3bb3c5a0c0f

    • SHA1

      a5780fa5fdd9deb29e701b22860f04c8c961d090

    • SHA256

      b283c5d9f50a5d59325b3fdf56043d0d656e2d3d78ef7c27c62d68f38998786c

    • SHA512

      81b9ef38f469fff4284b3aaf669392445d2963da21db4634d08d7ee389f9047d3b0b13b1973a0e9b42f90e34561a018b2f5c99a4a782a2ccfc285630f52661be

    • SSDEEP

      49152:9+1Ypn4N2MGVv1zyIBWGppT9jnMHRjOOozjcqZJN8dUZTwYaH7oqPxMbY+K/tzQz:9+lUlz9FKbsodq0YaH7ZPxMb8tT

    • AteraAgent

      AteraAgent is a remote monitoring and management tool.

    • Ateraagent family

    • Detects AteraAgent

    • Blocklisted process makes network request

    • Drops file in Drivers directory

    • Adds Run key to start application

    • Downloads MZ/PE file

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Checks computer location settings

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

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks