Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 14:03

General

  • Target

    24065baedb9c3bf7bf0b4123e90a2e00.exe

  • Size

    328KB

  • MD5

    24065baedb9c3bf7bf0b4123e90a2e00

  • SHA1

    67ba28cb7e13ae4134e7feff213cb40cb70a1bbf

  • SHA256

    38ac714aa452ac3aa9fc67be683c04d1acf325694d8bf60208ac179bdd2c99ee

  • SHA512

    d32a9e81002bff57e2a70c19f00009e9833d80db25e35dc1ba289cb246b79281ed702f34d06c749cc24e6abd554ff7cced3c0aa2cbf0b391d58e6f82971e5214

  • SSDEEP

    6144:veXA47CURW+eirtnIwE0XzBTjrBLt4smgZbMfqbTYN8MN5lRFPJje:veXv7tRWwnIKBTjx6smg9M75lRzy

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\24065baedb9c3bf7bf0b4123e90a2e00.exe
    "C:\Users\Admin\AppData\Local\Temp\24065baedb9c3bf7bf0b4123e90a2e00.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:3968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3968-0-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3968-11-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3968-16-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3968-17-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB