General

  • Target

    a28d4d537d0f31e9474d33a31d41f6e12d6fa25d209140a23f64f9af1c43870b

  • Size

    1.2MB

  • Sample

    201008-mbrklp6p9e

  • MD5

    ef954dcc262c5b45186e00e373e414b5

  • SHA1

    21af3f2a770debabdaa04b0359c7db30f5eebcbb

  • SHA256

    a28d4d537d0f31e9474d33a31d41f6e12d6fa25d209140a23f64f9af1c43870b

  • SHA512

    da49f7b4a1c4016b81a94781ff1a22b7da90f68a64e7f9fc02415cad4e415d4f77226d356ec6c8ac38da0a0a761bf434abce3b2d21d1cebd34f17e4ba1bdfd97

Malware Config

Targets

    • Target

      a28d4d537d0f31e9474d33a31d41f6e12d6fa25d209140a23f64f9af1c43870b

    • Size

      1.2MB

    • MD5

      ef954dcc262c5b45186e00e373e414b5

    • SHA1

      21af3f2a770debabdaa04b0359c7db30f5eebcbb

    • SHA256

      a28d4d537d0f31e9474d33a31d41f6e12d6fa25d209140a23f64f9af1c43870b

    • SHA512

      da49f7b4a1c4016b81a94781ff1a22b7da90f68a64e7f9fc02415cad4e415d4f77226d356ec6c8ac38da0a0a761bf434abce3b2d21d1cebd34f17e4ba1bdfd97

    • Matrix Ransomware

      Targeted ransomware with information collection and encryption functionality.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Sets service image path in registry

    • UPX packed file

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Modifies service

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks