Analysis

  • max time kernel
    171s
  • max time network
    166s
  • 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 19:08

General

  • Target

    36c56f4c3c4b24a941e2d6ced7316d50.exe

  • Size

    241KB

  • MD5

    36c56f4c3c4b24a941e2d6ced7316d50

  • SHA1

    9c7db389acc1e4061b8a6adc6b2d349706a81407

  • SHA256

    27473a18cbd0a55fe78c4496e4b4b623082cef828fcdf86130bed4e2752068b9

  • SHA512

    8c5070cf7b15a53ae48ec6a1858cbc09281185863cab830a0ace6b61cdafd470022037c20ba04c591f7569863917dedba0bcdf4d15d208e1f2618e1a0bd0aa9d

  • SSDEEP

    6144:0keENDvTSn2SV/GuhYdViC7X57+nMyH1o9JM2zuSuKh8:0NEND/k/GLPX57+nl1o9JM2zt8

Malware Config

Signatures

  • UPX packed file 6 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\36c56f4c3c4b24a941e2d6ced7316d50.exe
    "C:\Users\Admin\AppData\Local\Temp\36c56f4c3c4b24a941e2d6ced7316d50.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/964-0-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/964-1-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/964-10-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/964-12-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/964-16-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/964-18-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB