General

  • Target

    VastGen.exe

  • Size

    35.7MB

  • Sample

    240709-3mae2avbpe

  • MD5

    6d1270309900c388ca00051255d6151f

  • SHA1

    4da4921ef93549ab7ef521ee9d9711e872ef6156

  • SHA256

    544d16c97c7860f1ff74d830619e0805543399de3c2dd8da9c7df6f55fe6afa2

  • SHA512

    5bebf973273536153e8456006268f0dcac93159ce81884a84482f705b1374e240619bc27a9dd2f77a529b0e93baddce5a9afd364e4e393814d1e62e52f790d0a

  • SSDEEP

    786432:ZfcFuQiE/mZm2sifwU8OpHqQb9V1JmVU/F10CvRzbImy9NcO:BkNuZmBiEOTbTvmm/h8my9N

Malware Config

Targets

    • Target

      VastGen.exe

    • Size

      35.7MB

    • MD5

      6d1270309900c388ca00051255d6151f

    • SHA1

      4da4921ef93549ab7ef521ee9d9711e872ef6156

    • SHA256

      544d16c97c7860f1ff74d830619e0805543399de3c2dd8da9c7df6f55fe6afa2

    • SHA512

      5bebf973273536153e8456006268f0dcac93159ce81884a84482f705b1374e240619bc27a9dd2f77a529b0e93baddce5a9afd364e4e393814d1e62e52f790d0a

    • SSDEEP

      786432:ZfcFuQiE/mZm2sifwU8OpHqQb9V1JmVU/F10CvRzbImy9NcO:BkNuZmBiEOTbTvmm/h8my9N

    • 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.

    • Checks system information in the registry

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

MITRE ATT&CK Enterprise v15

Tasks