General

  • Target

    ??_(NTU)_??_2024100044-05TW.pdf.vbs

  • Size

    178KB

  • Sample

    240325-twdz5scg35

  • MD5

    7a34ff061a914ba4b62ecd16d20cd118

  • SHA1

    5807fd68faa18f57d43e4c0c3139356b7f441809

  • SHA256

    13dddd9cebc136afea2553f1b780849f830ce51dd73a7e06eccfe25545911f9d

  • SHA512

    2e4db584da14f6644482d98b68558544af9c96aa90875f5f8fcec5ca9767ed0abdafc72ea014949494ed64039c62b5c5b25c84ce107fcb8ce713e11a3dbb1100

  • SSDEEP

    3072:XPvtrVR7t/zhP5AbvMZoxnRcRKKh14t8EIuvQcVi1l8ok/1fyLbvj/3s0oV++hyk:/vdVR7tLhxAbvMZoxnRcsK3M8EIOQcV5

Malware Config

Targets

    • Target

      ??_(NTU)_??_2024100044-05TW.pdf.vbs

    • Size

      178KB

    • MD5

      7a34ff061a914ba4b62ecd16d20cd118

    • SHA1

      5807fd68faa18f57d43e4c0c3139356b7f441809

    • SHA256

      13dddd9cebc136afea2553f1b780849f830ce51dd73a7e06eccfe25545911f9d

    • SHA512

      2e4db584da14f6644482d98b68558544af9c96aa90875f5f8fcec5ca9767ed0abdafc72ea014949494ed64039c62b5c5b25c84ce107fcb8ce713e11a3dbb1100

    • SSDEEP

      3072:XPvtrVR7t/zhP5AbvMZoxnRcRKKh14t8EIuvQcVi1l8ok/1fyLbvj/3s0oV++hyk:/vdVR7tLhxAbvMZoxnRcsK3M8EIOQcV5

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks