Analysis

  • max time kernel
    142s
  • 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
    09-04-2024 00:51

General

  • Target

    2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe

  • Size

    3.3MB

  • MD5

    1a421afac77c530ebe0766bb8bd4c8f8

  • SHA1

    25910230368290a0dbc52dd82016ab71bb6bc4e9

  • SHA256

    41770e12397e2cdb0e556dd05e86c651ad458898ee73ef5df8044b3043d505d6

  • SHA512

    c4813df6001e66b1c577ef9e84f58a94174e485f846668eb2eba21b566d3f9a8471646e491d89218727d5aae7a55f34b806c548f1cb1cda2ee4435cd89d983b0

  • SSDEEP

    98304:0xxEouLgfYTUXIjRUbilu2d09VEfg48uc:0kMfQzBlI3uc

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 30 IoCs
  • UPX packed file 27 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:3160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3160-0-0x0000000000400000-0x00000000007B3000-memory.dmp

    Filesize

    3.7MB

  • memory/3160-7-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-5-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-3-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-2-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-10-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-18-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-21-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-16-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-14-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-23-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-12-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-36-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-39-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-48-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-47-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-45-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-43-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-52-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-51-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-56-0x0000000003FB0000-0x00000000040B0000-memory.dmp

    Filesize

    1024KB

  • memory/3160-55-0x0000000003FB0000-0x00000000040B0000-memory.dmp

    Filesize

    1024KB

  • memory/3160-54-0x0000000003FB0000-0x00000000040B0000-memory.dmp

    Filesize

    1024KB

  • memory/3160-53-0x0000000003FB0000-0x00000000040B0000-memory.dmp

    Filesize

    1024KB

  • memory/3160-41-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-34-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-32-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-29-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-27-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-25-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-1-0x0000000002750000-0x000000000278E000-memory.dmp

    Filesize

    248KB

  • memory/3160-57-0x0000000000400000-0x00000000007B3000-memory.dmp

    Filesize

    3.7MB

  • memory/3160-58-0x0000000000400000-0x00000000007B3000-memory.dmp

    Filesize

    3.7MB

  • memory/3160-59-0x0000000003FB0000-0x00000000040B0000-memory.dmp

    Filesize

    1024KB

  • memory/3160-61-0x0000000003FB0000-0x00000000040B0000-memory.dmp

    Filesize

    1024KB

  • memory/3160-60-0x0000000003FB0000-0x00000000040B0000-memory.dmp

    Filesize

    1024KB

  • memory/3160-62-0x0000000003FB0000-0x00000000040B0000-memory.dmp

    Filesize

    1024KB