Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 00:46

General

  • Target

    2024-06-04_5b42ba6e98f666858277458250eb8e07_xiaoba.exe

  • Size

    1.1MB

  • MD5

    5b42ba6e98f666858277458250eb8e07

  • SHA1

    338d5b8834b20f1b9b1e05b880aa2608ab403b16

  • SHA256

    35e9a41d67a6ca8b0d21928e4fd972fd604ae6dd76f493e784ea7d7b6a22b94e

  • SHA512

    0eb27d825df673f4afb2c24cd38816a2e0a3602269e771fde123a02d1ae8abac94231915d1c27fb8b3732f57270dbfdf95de35da067975736aa9015a7aa57aa4

  • SSDEEP

    24576:UfZanlLXYSKEDRWTg+YeP/YkOqLKRbp6MGYor:UPSKRM+Y2ZPLasJ

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 28 IoCs
  • UPX packed file 23 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-04_5b42ba6e98f666858277458250eb8e07_xiaoba.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-04_5b42ba6e98f666858277458250eb8e07_xiaoba.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:2964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2964-1-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-8-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-16-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-20-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-18-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-14-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-12-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-10-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-6-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-4-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-2-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-0-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-22-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-24-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-28-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-31-0x0000000000400000-0x0000000000556000-memory.dmp

    Filesize

    1.3MB

  • memory/2964-26-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-30-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-41-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-39-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-43-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-35-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-33-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-37-0x0000000000370000-0x00000000003AE000-memory.dmp

    Filesize

    248KB

  • memory/2964-44-0x0000000000400000-0x0000000000556000-memory.dmp

    Filesize

    1.3MB

  • memory/2964-45-0x0000000000400000-0x0000000000556000-memory.dmp

    Filesize

    1.3MB

  • memory/2964-46-0x0000000000400000-0x0000000000556000-memory.dmp

    Filesize

    1.3MB

  • memory/2964-47-0x0000000000400000-0x0000000000556000-memory.dmp

    Filesize

    1.3MB