General

  • Target

    ads.rar

  • Size

    65B

  • Sample

    241109-m6vbjswlfk

  • MD5

    1ff72020bab8ff30ec1b89f588fdec19

  • SHA1

    63b1422b0cbe4f7f77cbc4d5d57f60f272029036

  • SHA256

    5823597ef4cb5af219548736e91dce71cc90599878807d4db29bec04a5239aea

  • SHA512

    7b20030b2ba3d9887f0003e7952391da961d8ab270f4e96c2f19a6d7ae962d79abcbfd89e2e968a81ca2257425b32b52693d4b7aa1438f683217200fd63d3cd4

Malware Config

Targets

    • Target

      ads.rar

    • Size

      65B

    • MD5

      1ff72020bab8ff30ec1b89f588fdec19

    • SHA1

      63b1422b0cbe4f7f77cbc4d5d57f60f272029036

    • SHA256

      5823597ef4cb5af219548736e91dce71cc90599878807d4db29bec04a5239aea

    • SHA512

      7b20030b2ba3d9887f0003e7952391da961d8ab270f4e96c2f19a6d7ae962d79abcbfd89e2e968a81ca2257425b32b52693d4b7aa1438f683217200fd63d3cd4

    • Downloads MZ/PE file

    • A potential corporate email address has been identified in the URL: =@L

    • Checks computer location settings

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

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • 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.

    • Drops desktop.ini file(s)

    • Checks system information in the registry

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

    • Detected potential entity reuse from brand STEAM.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks