General

  • Target

    b93bd158355c7fb53b409241f3ecbd16f0e65d67dc38765a1352a9b03c595a2c

  • Size

    255KB

  • Sample

    240430-cba93she5x

  • MD5

    784ca39bd620e09f428f473f68b6b3b0

  • SHA1

    e1d757386b645059e944145b3ac0b6dbfbebb1a5

  • SHA256

    b93bd158355c7fb53b409241f3ecbd16f0e65d67dc38765a1352a9b03c595a2c

  • SHA512

    effbdb85d52cc58f57f2dfd9f86bf7b7823981240db70180b63b36d114019c7a77c8db187a1dd0b8dae50b839b84c2e0a7660b56841f39f9f771d4a7be262831

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJm:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIh

Malware Config

Targets

    • Target

      b93bd158355c7fb53b409241f3ecbd16f0e65d67dc38765a1352a9b03c595a2c

    • Size

      255KB

    • MD5

      784ca39bd620e09f428f473f68b6b3b0

    • SHA1

      e1d757386b645059e944145b3ac0b6dbfbebb1a5

    • SHA256

      b93bd158355c7fb53b409241f3ecbd16f0e65d67dc38765a1352a9b03c595a2c

    • SHA512

      effbdb85d52cc58f57f2dfd9f86bf7b7823981240db70180b63b36d114019c7a77c8db187a1dd0b8dae50b839b84c2e0a7660b56841f39f9f771d4a7be262831

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJm:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIh

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Windows security bypass

    • UPX dump on OEP (original entry point)

    • Disables RegEdit via registry modification

    • Checks computer location settings

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

    • 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.

    • 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 v15

Tasks