Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 15:15

General

  • Target

    288c783d7a6b1bcba4f6fc0cd8eba729.exe

  • Size

    328KB

  • MD5

    288c783d7a6b1bcba4f6fc0cd8eba729

  • SHA1

    273947b2edb6622fa88acce9118e84e60ea718ed

  • SHA256

    ca93d4d9c612d4e182e5714d978d5ea82a2c3efbe192a1b67a216b6cc1a8ee34

  • SHA512

    b56f7fc5ed01fda2e05b18ca3c871b5929ecb6fcfe278c86086dbff9800ef25f166f6bc30219e9cb3f84f219cd6c58f46ceef9e64f9b3acad89da2bb08952f01

  • SSDEEP

    6144:bePJYhcvhLxotp++sCTHUIKz3JWGYBjWo8zcs0GPrvxsROQ8LEn1CFaRDKydn7:bePJYIh9of++skOYBjDds04tS8Lw1CFa

Malware Config

Signatures

  • UPX packed file 3 IoCs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\288c783d7a6b1bcba4f6fc0cd8eba729.exe
    "C:\Users\Admin\AppData\Local\Temp\288c783d7a6b1bcba4f6fc0cd8eba729.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2224

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\CabB0BB.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\TarB0FC.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • memory/2224-0-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/2224-61-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/2224-68-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB