General

  • Target

    mysetup.exe

  • Size

    115.3MB

  • Sample

    220519-cslgdacfhk

  • MD5

    1c32da9a18b51af4ac59579322a8c5c7

  • SHA1

    f09d16ee1822139e4bad3958bd46537c16552c30

  • SHA256

    a6dc6c9350b5c01ab00c4241cf233f9d69910f1c431fb25e1fda63e463c64642

  • SHA512

    62699c67e96808655cb3b20350e9b44fc8cb132c1153a3228a2a90c8be5dde445dc5113d7d765fda31e44c425d615b1622d497e1d54cb5890d7c402282081c57

Malware Config

Targets

    • Target

      mysetup.exe

    • Size

      115.3MB

    • MD5

      1c32da9a18b51af4ac59579322a8c5c7

    • SHA1

      f09d16ee1822139e4bad3958bd46537c16552c30

    • SHA256

      a6dc6c9350b5c01ab00c4241cf233f9d69910f1c431fb25e1fda63e463c64642

    • SHA512

      62699c67e96808655cb3b20350e9b44fc8cb132c1153a3228a2a90c8be5dde445dc5113d7d765fda31e44c425d615b1622d497e1d54cb5890d7c402282081c57

    • Executes dropped EXE

    • Modifies Windows Firewall

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks