General

  • Target

    91004537d91f5e6726223b123103f27bb81eeded38687a4886b6c3391d1a9820

  • Size

    255KB

  • Sample

    221123-zvxnragh81

  • MD5

    972b93400b3f8b0f1d1307b2c8d8b5e1

  • SHA1

    cda8aa62a48578c21758a09f776b15b79d73aa09

  • SHA256

    91004537d91f5e6726223b123103f27bb81eeded38687a4886b6c3391d1a9820

  • SHA512

    2939b1939ae4bc84eb67a69362b21e58b8c3e9cbd09cc2854de278dcb0788f2507e7ac95be7c9a24c2b270ca9c87c3e6e09b9257b315ee9d67827bb4d29a2aa6

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJl:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIY

Malware Config

Targets

    • Target

      91004537d91f5e6726223b123103f27bb81eeded38687a4886b6c3391d1a9820

    • Size

      255KB

    • MD5

      972b93400b3f8b0f1d1307b2c8d8b5e1

    • SHA1

      cda8aa62a48578c21758a09f776b15b79d73aa09

    • SHA256

      91004537d91f5e6726223b123103f27bb81eeded38687a4886b6c3391d1a9820

    • SHA512

      2939b1939ae4bc84eb67a69362b21e58b8c3e9cbd09cc2854de278dcb0788f2507e7ac95be7c9a24c2b270ca9c87c3e6e09b9257b315ee9d67827bb4d29a2aa6

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJl:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIY

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks