General

  • Target

    NetSupport School 15.10.0003.exe

  • Size

    146.9MB

  • Sample

    240625-ybs1saydma

  • MD5

    50c6a195ea8b2cac825a3bd2b2e5d5f7

  • SHA1

    7704b7bc735066139657919cc589fef8fdfd76a1

  • SHA256

    f1f0d729245cd9272510e8fd258708ead8ed7ab0db39343c6f69cf9d35a35c2b

  • SHA512

    838332cb950b70aef47ffbff2dbb1503b26ee0fcb702376fbf6633e00bd33aa2b8add3432b28ce79ce0b44d51a7812dbb9c749782d4efc21c5df7c7a78a53088

  • SSDEEP

    3145728:7ghv5tQmlmVPMfix3deHWzomfJ4dbOO+2iX3gvB159GRiYDNAC77:7gF7QmlmVPguPRfy62KwvO/BAe

Malware Config

Targets

    • Target

      NetSupport School 15.10.0003.exe

    • Size

      146.9MB

    • MD5

      50c6a195ea8b2cac825a3bd2b2e5d5f7

    • SHA1

      7704b7bc735066139657919cc589fef8fdfd76a1

    • SHA256

      f1f0d729245cd9272510e8fd258708ead8ed7ab0db39343c6f69cf9d35a35c2b

    • SHA512

      838332cb950b70aef47ffbff2dbb1503b26ee0fcb702376fbf6633e00bd33aa2b8add3432b28ce79ce0b44d51a7812dbb9c749782d4efc21c5df7c7a78a53088

    • SSDEEP

      3145728:7ghv5tQmlmVPMfix3deHWzomfJ4dbOO+2iX3gvB159GRiYDNAC77:7gF7QmlmVPguPRfy62KwvO/BAe

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Blocklisted process makes network request

    • Enumerates connected drives

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

    • Modifies WinLogon

    • Drops file in System32 directory

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks