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Analysis

  • max time kernel
    11s
  • max time network
    132s
  • 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, 00:08

General

  • Target

    1bca17593875f45fede3d5421f57df94.exe

  • Size

    338KB

  • MD5

    1bca17593875f45fede3d5421f57df94

  • SHA1

    7aca31f1b282aa62d64c9ef473c1eff39a386ebb

  • SHA256

    3e6ff6b35c7a3fdff01aabe8c8e7e810e7a70ab705f2df1dcc5b800bb89a873a

  • SHA512

    62290d00f01eaffdfff1435b8131236d9db5e48e80de20b5330e9d0199bce1c90e59229ab59073a7b73b5a5f474c9a17548fabb5cca5914849b27955e08a9ab5

  • SSDEEP

    6144:9A5wVdCy6wrbDY0rDqTWC4zEDzKuTrSbxc97cf2UHAKmy6SG4AQuJ6Io9rni8:9jyy64VrDqTWIzW+9Y+Z5y6iXuC9rnB

Malware Config

Signatures

  • UPX packed file 3 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.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1bca17593875f45fede3d5421f57df94.exe
    "C:\Users\Admin\AppData\Local\Temp\1bca17593875f45fede3d5421f57df94.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:2204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2204-0-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/2204-4-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/2204-5-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB