Analysis

  • max time kernel
    144s
  • 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
    24/12/2023, 22:23

General

  • Target

    15753b3fbe8322840e258877e5f5d7a9.exe

  • Size

    328KB

  • MD5

    15753b3fbe8322840e258877e5f5d7a9

  • SHA1

    2e100906d57d544b38cafed9ce73d5687d931352

  • SHA256

    12e3ec2d8161f8ea1c16445d747e73e8a2460f51c867e4346fd01a6e5f00e2b4

  • SHA512

    f5e4de81fcc3b7cc17f34a96cd8d3fa1cc7fc10fc860f638c930ab5898ba0c4f00cdfc6b180d88fc5cc2b78ad267eb95e18073a2837e7001bf16ab585d43578e

  • SSDEEP

    6144:dePJYhcvhLxotp++sCTHUIKz3JWGYBjWo8zI/GVDIWlVti1Usu82tOeORK0W:dePJYIh9of++skOYBjD0wGBBpIB05

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\15753b3fbe8322840e258877e5f5d7a9.exe
    "C:\Users\Admin\AppData\Local\Temp\15753b3fbe8322840e258877e5f5d7a9.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2304-0-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2304-11-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2304-12-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2304-17-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB