Analysis

  • max time kernel
    0s
  • max time network
    143s
  • 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, 11:34

General

  • Target

    1b2891404f1d1a6d5d588b8c49e4abae.exe

  • Size

    329KB

  • MD5

    1b2891404f1d1a6d5d588b8c49e4abae

  • SHA1

    a2a08f6848f9a2af3b11148bf7c0e9cc0fbfdea5

  • SHA256

    5be7b8e138347efe330d65944bd018e0f379096dc5601235eafc6b402ed5953a

  • SHA512

    232fd9cc133616a478b12c856fc3065312f3fed4a96ff456011da3267dae4d854ee4409842231966882e712decac6c5ac5c3a088997912808b1cc00e115cbd6e

  • SSDEEP

    6144:ES+QH6yN8wfRe3q+2ZYbO2PY/eQanlrUnwyzqE4t1eKY4A66w8vUwybq0:uE6y66e3N272PYXZnbmm5ldvUwyb

Malware Config

Signatures

  • UPX packed file 1 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b2891404f1d1a6d5d588b8c49e4abae.exe
    "C:\Users\Admin\AppData\Local\Temp\1b2891404f1d1a6d5d588b8c49e4abae.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    PID:4496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4496-0-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/4496-11-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/4496-12-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/4496-16-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/4496-17-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB