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General

  • Target

    4e9bf2ddffbcb10cbd64447226bde8a59fd17747328d6228c31ead2453e2a31a

  • Size

    262KB

  • Sample

    221127-s9fkfshf92

  • MD5

    90d97f9c540727472af8d3357eb62a3b

  • SHA1

    fb8909a7dbebd7a7f86b27810de6960fc22dbc68

  • SHA256

    4e9bf2ddffbcb10cbd64447226bde8a59fd17747328d6228c31ead2453e2a31a

  • SHA512

    fde88c8bbae3335a1663fcb824b48895388918ca37c2d3859f1ed75f78c0a8f4df97d82a8e6c81fa70c2d94fb8d752572b10c6b6104b73b36e5c33fafb02c89b

  • SSDEEP

    6144:JsWppppppppppppppppppppppppppppppppppppppppppppTpppppppppppppppx:xppppppppppppppppppppppppppppppn

Malware Config

Targets

    • Target

      4e9bf2ddffbcb10cbd64447226bde8a59fd17747328d6228c31ead2453e2a31a

    • Size

      262KB

    • MD5

      90d97f9c540727472af8d3357eb62a3b

    • SHA1

      fb8909a7dbebd7a7f86b27810de6960fc22dbc68

    • SHA256

      4e9bf2ddffbcb10cbd64447226bde8a59fd17747328d6228c31ead2453e2a31a

    • SHA512

      fde88c8bbae3335a1663fcb824b48895388918ca37c2d3859f1ed75f78c0a8f4df97d82a8e6c81fa70c2d94fb8d752572b10c6b6104b73b36e5c33fafb02c89b

    • SSDEEP

      6144:JsWppppppppppppppppppppppppppppppppppppppppppppTpppppppppppppppx:xppppppppppppppppppppppppppppppn

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Registers COM server for autorun

    • Sets DLL path for service 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

    • Adds Run key to start application

    • 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)

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks