Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 23:09

General

  • Target

    42516bf2f4ec7cc95dbdd2acf387eb71.exe

  • Size

    318KB

  • MD5

    42516bf2f4ec7cc95dbdd2acf387eb71

  • SHA1

    8de7bfeeced7440887e3f81c0954f41b08b3d319

  • SHA256

    34e7c900090e41c60703297a2deca1b5b316f9c2a4506f75a3e54468d37d462a

  • SHA512

    d04a88233424b3c315711efc139d51ed237abca5652aafe16f5231f890d04136b480a5b9ad4104ba3f77e717e400107d1cadc5ed43ac83a03dedb4474a304472

  • SSDEEP

    6144:237VFvGERZGCNtMXgCSqBG7agspoGKRmvwgLzLsBbuXCR4nEIknU:27eEht4BG7a3qmouLUIvkU

Malware Config

Signatures

  • UPX packed file 3 IoCs

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

  • 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\42516bf2f4ec7cc95dbdd2acf387eb71.exe
    "C:\Users\Admin\AppData\Local\Temp\42516bf2f4ec7cc95dbdd2acf387eb71.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Cab9C22.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar9C64.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • memory/2984-0-0x00000000003F0000-0x00000000004AB000-memory.dmp

          Filesize

          748KB

        • memory/2984-61-0x00000000003F0000-0x00000000004AB000-memory.dmp

          Filesize

          748KB

        • memory/2984-67-0x00000000003F0000-0x00000000004AB000-memory.dmp

          Filesize

          748KB