Analysis

  • max time kernel
    170s
  • max time network
    181s
  • 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 10:30

General

  • Target

    174f3c937aa26c41e8c5fa6865a99179.exe

  • Size

    328KB

  • MD5

    174f3c937aa26c41e8c5fa6865a99179

  • SHA1

    dd5083da2acde1ea12bb36a485a6983304a6708e

  • SHA256

    2110ab9145eb713326e795f37cfd853d4434756738db301881c81dd94e325dbb

  • SHA512

    6c5d5645f80b84e5e46c721db336bff46d4ece80942512a0c3fb7a0f4786569ae147e36d3dca0b5b0bb9d4a99e4fdf75064b5da378bc7cb16382eff02dc2e6af

  • SSDEEP

    6144:nePJYhcvhLxotp++sCTHUIKz3JWGYBjWo80I/G13YtcOmq81yOgfkJzq12:nePJYIh9of++skOYBjD5wG13YtcOncyQ

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\174f3c937aa26c41e8c5fa6865a99179.exe
    "C:\Users\Admin\AppData\Local\Temp\174f3c937aa26c41e8c5fa6865a99179.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1884-0-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1884-9-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1884-10-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1884-15-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB