General

  • Target

    v1.0.0

  • Size

    179KB

  • Sample

    240817-kkz9kazdpk

  • MD5

    dbcdf4ec5a82e4c074b2827340f5f075

  • SHA1

    1aa6bbf1dbf2fdc244be9c49884a7b5f7b1a9658

  • SHA256

    1e48b01792225b3a5ab3c941a07d6d8ba70b52c3775f6deaf72d82f0e7028915

  • SHA512

    fcde3d993d05b81063686e74499f79338f63b4769f33bde34accc3d27c2414510e8bb033cca197c3cd5d6e313edcff6ea80a12b80841f3c0ef3eb8b55802f0a9

  • SSDEEP

    3072:vJxwh+Srhnl1fT2kLfl6/X6OOKeWR+JCT/xzNGXFsZUlr1gee2IGCgVm4rHoZr1s:wTo7e3uokeOvHS1d1+sNs8wbiWQJ9XvZ

Malware Config

Targets

    • Target

      v1.0.0

    • Size

      179KB

    • MD5

      dbcdf4ec5a82e4c074b2827340f5f075

    • SHA1

      1aa6bbf1dbf2fdc244be9c49884a7b5f7b1a9658

    • SHA256

      1e48b01792225b3a5ab3c941a07d6d8ba70b52c3775f6deaf72d82f0e7028915

    • SHA512

      fcde3d993d05b81063686e74499f79338f63b4769f33bde34accc3d27c2414510e8bb033cca197c3cd5d6e313edcff6ea80a12b80841f3c0ef3eb8b55802f0a9

    • SSDEEP

      3072:vJxwh+Srhnl1fT2kLfl6/X6OOKeWR+JCT/xzNGXFsZUlr1gee2IGCgVm4rHoZr1s:wTo7e3uokeOvHS1d1+sNs8wbiWQJ9XvZ

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

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

    • 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.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks