Analysis

  • max time kernel
    141s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 17:26

General

  • Target

    30c4a05e9fddf9207bb6bcc6e93e24b1.exe

  • Size

    330KB

  • MD5

    30c4a05e9fddf9207bb6bcc6e93e24b1

  • SHA1

    a5e653fe5dcb2e660ebb09b51d57f285a1b0e2f8

  • SHA256

    34fb35ad28c028d694a33eda25ebf90ad5db8487d9a2ea502a10e8c3a013ca55

  • SHA512

    b1b1a0c7c0546f80c6ce0a4ea2c6cff042624bac0849d5544eed51f7fa36c6591895641be4e2a376cdcd87b917a40831795f65a3f909bd46057054000bf16452

  • SSDEEP

    6144:iS+QH6yN8wfRe3q+2ZYbO2PY/eQanlrUGrQZo4IbQMQF3JSX4M40A:sE6y66e3N272PYXZGrw78QMQF3Jct40

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\30c4a05e9fddf9207bb6bcc6e93e24b1.exe
    "C:\Users\Admin\AppData\Local\Temp\30c4a05e9fddf9207bb6bcc6e93e24b1.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4748-0-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/4748-11-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/4748-16-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/4748-17-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB