General

  • Target

    System.Diagnostic.exe

  • Size

    1.1MB

  • Sample

    240302-s3nx9afa55

  • MD5

    2d3b428ad63b4ae2aa45cb55c7b382a0

  • SHA1

    2a28b07c39d69be15d8aa706fc14bd4b3bafb818

  • SHA256

    aefdf0330a6eda2382f3ae433d6a2bf7fad6ffacf21200c08f2846b53fdbe909

  • SHA512

    6f144cf0ad46303a87317a0537de78004e7f635aece15fee0656477a8fca4eef8829cf0a6caa79b1ba9292e944f9d7f3b8bce7b4faebbf28b7817361d2796378

  • SSDEEP

    24576:vjBmOdvmyOqmnmHrU6F5vEpiSc3ypsyjSFyq:vrm4HrU6PvEpiLypsyJ

Malware Config

Targets

    • Target

      System.Diagnostic.exe

    • Size

      1.1MB

    • MD5

      2d3b428ad63b4ae2aa45cb55c7b382a0

    • SHA1

      2a28b07c39d69be15d8aa706fc14bd4b3bafb818

    • SHA256

      aefdf0330a6eda2382f3ae433d6a2bf7fad6ffacf21200c08f2846b53fdbe909

    • SHA512

      6f144cf0ad46303a87317a0537de78004e7f635aece15fee0656477a8fca4eef8829cf0a6caa79b1ba9292e944f9d7f3b8bce7b4faebbf28b7817361d2796378

    • SSDEEP

      24576:vjBmOdvmyOqmnmHrU6F5vEpiSc3ypsyjSFyq:vrm4HrU6PvEpiLypsyJ

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Modifies Installed Components in the registry

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Enumerates connected drives

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

    • Maps connected drives based on registry

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

MITRE ATT&CK Enterprise v15

Tasks