Analysis

  • max time kernel
    143s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 18:25

General

  • Target

    345444f971d993f308b96e81a286a36f.exe

  • Size

    327KB

  • MD5

    345444f971d993f308b96e81a286a36f

  • SHA1

    610f5b199ac9c287e2aab1716b991f64e807f311

  • SHA256

    6e16a5092d2b43cf8060df2761a7f10357e538637f0965b7cb161bd0a433ded4

  • SHA512

    f2474d2562c8791ea7be4c6ee71f1aee5faa73d2e4ab5751c015f57695766b349228af09d1e78e5fb37ba9ff07963d04bdb54f322c3b4c4294048b5615a928aa

  • SSDEEP

    6144:GeXA47CURW+eirtnIwE0XzBTjrBLt4smgZpb3Y5lEkPqxYP+hQDY:GeXv7tRWwnIKBTjx6smgfb3YTixYP+h/

Malware Config

Signatures

  • UPX packed file 4 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\345444f971d993f308b96e81a286a36f.exe
    "C:\Users\Admin\AppData\Local\Temp\345444f971d993f308b96e81a286a36f.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tar9DDA.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2168-0-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2168-52-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2168-62-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2168-68-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB