General

  • Target

    RTX SCRIPT!!.txt

  • Size

    2KB

  • Sample

    241103-mc5kes1gqe

  • MD5

    9d69ba53e68c458b2e7041c29107f728

  • SHA1

    d93ce9dcaf2ed68d6b75c545d7e7cc0358ae36be

  • SHA256

    0b9190b8e62814ba3c6b46b175f4a6f30c81d5b8cf1bf24b36170ebf6bb65dd5

  • SHA512

    326acc8050a5cb3f558924ffaa1f24960523ace5c70542f45d1ff374e668216557b90de10bbecb1d8367ef7c96e12ffd1e6c9da8614184cc2241f6cb5b62b19b

Malware Config

Targets

    • Target

      RTX SCRIPT!!.txt

    • Size

      2KB

    • MD5

      9d69ba53e68c458b2e7041c29107f728

    • SHA1

      d93ce9dcaf2ed68d6b75c545d7e7cc0358ae36be

    • SHA256

      0b9190b8e62814ba3c6b46b175f4a6f30c81d5b8cf1bf24b36170ebf6bb65dd5

    • SHA512

      326acc8050a5cb3f558924ffaa1f24960523ace5c70542f45d1ff374e668216557b90de10bbecb1d8367ef7c96e12ffd1e6c9da8614184cc2241f6cb5b62b19b

    • Contacts a large (775) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Detected potential entity reuse from brand STEAM.

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks