Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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 06:24

General

  • Target

    0b66977b5e17230efd6f28a7b71e96d4.exe

  • Size

    329KB

  • MD5

    0b66977b5e17230efd6f28a7b71e96d4

  • SHA1

    7cc03e55a5e466cfaf1f18ae25bf1f2ec9c2a63e

  • SHA256

    e9d1a242705e4d7f04b258b2f0f653c5178417b5ad6a048c99de8fda6922bc6e

  • SHA512

    77b9ff2d24bd757622fac3bfc40e7eb8c3f1a6d27834d19a89b9d5869a1c66f8ebd0a42656d33c2df56b95c3c129cb311fef1f3ac70ad337bd6c20d5cdf58a6a

  • SSDEEP

    6144:IePJYhcvhLxotp++sCTHUIKz3JWGYBjWo8PgUzWftJkgsn8xMHHihe:IePJYIh9of++skOYBjD+gUAhs+MCe

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\0b66977b5e17230efd6f28a7b71e96d4.exe
    "C:\Users\Admin\AppData\Local\Temp\0b66977b5e17230efd6f28a7b71e96d4.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:3364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3364-0-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3364-8-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3364-11-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3364-17-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB