General

  • Target
    loader-5.2.exe
  • Size 5.4MB
  • Sample240504-c1244abb2t
  • SHA256 05a2bdd82c411c519faec6c30a4aed16cbdea5d1701b4bbb6f765195d5bc872b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      loader-5.2.exe
    • Size 5.4MB
    • SHA256 05a2bdd82c411c519faec6c30a4aed16cbdea5d1701b4bbb6f765195d5bc872b
    • MD5 SHA1 SHA512 SSDEEP
    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • 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

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks