General

  • Target

    b9d258d2b195f43645c605af1c7e2d836e03c3b87320a2093d0ba40466c55c1b

  • Size

    72KB

  • Sample

    220919-dsw4jshhek

  • MD5

    1cb5f8ae4f5fd93d509c5ffcd1a009b6

  • SHA1

    180c86862cacaee2a95e22395f561470c5233910

  • SHA256

    b9d258d2b195f43645c605af1c7e2d836e03c3b87320a2093d0ba40466c55c1b

  • SHA512

    a9eb22587b37dbf5d59a15c7dd80a75e5a2fc79687bf9b55cd9cf6c485acdfbf7dcdca659e8dda90a1ca9a570b13744d2e24ccaa0d3d30323cb2760936e252aa

  • SSDEEP

    1536:KNCJMvSU05Ct8NwAJH7Bs3UHRazKxiH0vrb+cd8nouy8Z:KNiUQCt5Ia3SYPUvriGcoutZ

Malware Config

Targets

    • Target

      b9d258d2b195f43645c605af1c7e2d836e03c3b87320a2093d0ba40466c55c1b

    • Size

      72KB

    • MD5

      1cb5f8ae4f5fd93d509c5ffcd1a009b6

    • SHA1

      180c86862cacaee2a95e22395f561470c5233910

    • SHA256

      b9d258d2b195f43645c605af1c7e2d836e03c3b87320a2093d0ba40466c55c1b

    • SHA512

      a9eb22587b37dbf5d59a15c7dd80a75e5a2fc79687bf9b55cd9cf6c485acdfbf7dcdca659e8dda90a1ca9a570b13744d2e24ccaa0d3d30323cb2760936e252aa

    • SSDEEP

      1536:KNCJMvSU05Ct8NwAJH7Bs3UHRazKxiH0vrb+cd8nouy8Z:KNiUQCt5Ia3SYPUvriGcoutZ

    • Modifies firewall policy service

    • Modifies security service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets file execution options in 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

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks