Analysis

  • max time kernel
    53s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 23:25

General

  • Target

    windowshost.exe

  • Size

    38KB

  • MD5

    20a1f199b70f7c54359e7d957d2f90c6

  • SHA1

    3a0cb097aff88246942c92566bc234fc3102841d

  • SHA256

    d92def7b4ba902ff2e9467e32f042557486c706ffdcff96a669650f3441c7450

  • SHA512

    1876d5529b8e20b94a5589e70b846bf01b6fea6f1fa2b06f17806f125ea6a26f7fe1c0050fca7460484c3623d571a4dac81bff28f7285a63c626f2a67567bfa5

  • SSDEEP

    768:cV+IESzfTvZEz5G7nSthO/i7FWP59WnyOMhQaQko:cs7iZO5XqiFK9WnyOMqh

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

america-surrey.gl.at.ply.gg:54338

Mutex

olCaDHtbRycoMsoN

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\windowshost.exe
    "C:\Users\Admin\AppData\Local\Temp\windowshost.exe"
    1⤵
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SYSTEM32\taskkill.exe
      taskkill /F /IM explorer.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2764
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp507C.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp507C.tmp.bat

    Filesize

    163B

    MD5

    14216929a621cccf1aa91ed52b5f0de1

    SHA1

    e836d1f048aabb572dfa7d8b940519d4a9b0a395

    SHA256

    16a29916daea080e11d925b59a48c5fe6abf0fff3497246e2ea057a8a1db9a5a

    SHA512

    8313d319980a40cea997557e501eb1124e127d7285ad5005a64ea2983649ec00243c399af27da07be48b837b965719f36fb05ae679a141047563cf7995352abf

  • memory/1708-0-0x00007FF901873000-0x00007FF901875000-memory.dmp

    Filesize

    8KB

  • memory/1708-1-0x00000000006E0000-0x00000000006F0000-memory.dmp

    Filesize

    64KB

  • memory/1708-6-0x00007FF901870000-0x00007FF902331000-memory.dmp

    Filesize

    10.8MB

  • memory/1708-7-0x00007FF901870000-0x00007FF902331000-memory.dmp

    Filesize

    10.8MB

  • memory/1708-8-0x0000000001070000-0x000000000107C000-memory.dmp

    Filesize

    48KB

  • memory/1708-9-0x0000000000EC0000-0x0000000000ECA000-memory.dmp

    Filesize

    40KB

  • memory/1708-17-0x00007FF901870000-0x00007FF902331000-memory.dmp

    Filesize

    10.8MB