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Analysis

  • max time kernel
    140s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2024, 04:56

General

  • Target

    a0ff08305ad63098ce960b41a6f291e2.exe

  • Size

    230KB

  • MD5

    a0ff08305ad63098ce960b41a6f291e2

  • SHA1

    41784c25a16b8efdfe8f7c1058ff68df65cc9918

  • SHA256

    22f3efb1a1825bf4e50baf7a3ef7bb7ca2d2f801fd1078d2e0e5612af038e82f

  • SHA512

    214f7bd95bbdb3dc9ba444ef3a70706e70fea529d474af93c4fd7b94340d3cf6439a264ef3b157f5348431d032a44cd264d910c754a7750117ccd3207dff95e7

  • SSDEEP

    6144:EFd3ykj7mg6zWKcLSlFOnEu3sgAwhxKXrFUPk:EryAm5cmlFGfUFM

Malware Config

Signatures

  • UPX packed file 5 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\a0ff08305ad63098ce960b41a6f291e2.exe
    "C:\Users\Admin\AppData\Local\Temp\a0ff08305ad63098ce960b41a6f291e2.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabBE5.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarBF7.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1684-0-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1684-61-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1684-62-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1684-67-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1684-68-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB