General

  • Target

    0f21686efb28a24944864048ecdb838b9e7df47e95d3c4f0a3b3823bf2e9e4e1

  • Size

    255KB

  • Sample

    221127-bzzrxaag53

  • MD5

    cfd5298dfbec1c3ad0c096cfe95de73c

  • SHA1

    c6706b29eb6b3a8a34cca5e15731866741ed7b19

  • SHA256

    0f21686efb28a24944864048ecdb838b9e7df47e95d3c4f0a3b3823bf2e9e4e1

  • SHA512

    f9683ee8e94e77f99988c0496f0cb386266a92ac43b655731db9bf367b793b66469e4500e86d5e7268ca2d97935015dcdc1d7cf5a8dc8d93f797c1d9e76356df

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJj:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIg

Malware Config

Targets

    • Target

      0f21686efb28a24944864048ecdb838b9e7df47e95d3c4f0a3b3823bf2e9e4e1

    • Size

      255KB

    • MD5

      cfd5298dfbec1c3ad0c096cfe95de73c

    • SHA1

      c6706b29eb6b3a8a34cca5e15731866741ed7b19

    • SHA256

      0f21686efb28a24944864048ecdb838b9e7df47e95d3c4f0a3b3823bf2e9e4e1

    • SHA512

      f9683ee8e94e77f99988c0496f0cb386266a92ac43b655731db9bf367b793b66469e4500e86d5e7268ca2d97935015dcdc1d7cf5a8dc8d93f797c1d9e76356df

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJj:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIg

    • 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

    • Modifies Installed Components in the registry

    • 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