Analysis

  • max time kernel
    889s
  • max time network
    896s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250217-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    06/03/2025, 21:33

General

  • Target

    XClient.exe

  • Size

    62KB

  • MD5

    96fedf6b9bdef61b693c3c895e647ec9

  • SHA1

    d75b1c6021af31f40414e892d9fdc16132df9a82

  • SHA256

    aed72392c30af8bbd8d7d2978992fb0b499333741e799e1e14f285af74e3b9dc

  • SHA512

    3fab7337d135387c5ee923960985b0c58c7c45ce34c97e7a984549e805f6ddc71bde72ba83f9473fd48c8cd380e3e75674a21e2250d7eccfdcae011caea73384

  • SSDEEP

    1536:J4OZWBxEzUFdvJzJfvpX5+bLW+6NG+MOc8m+3R:2OABxucdBzJfvpJ+bL1+MOc8mQR

Malware Config

Extracted

Family

xworm

C2

posted-channels.gl.at.ply.gg:38837

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 15 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1552
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5008
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2028
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5012
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1896
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4604
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1088
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3380
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:972
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1404
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4816
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4364
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1064
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:688
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1408
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log

    Filesize

    654B

    MD5

    11c6e74f0561678d2cf7fc075a6cc00c

    SHA1

    535ee79ba978554abcb98c566235805e7ea18490

    SHA256

    d39a78fabca39532fcb85ce908781a75132e1bd01cc50a3b290dd87127837d63

    SHA512

    32c63d67bf512b42e7f57f71287b354200126cb417ef9d869c72e0b9388a7c2f5e3b61f303f1353baa1bf482d0f17e06e23c9f50b2f1babd4d958b6da19c40b0

  • C:\Users\Admin\AppData\Roaming\XClient.exe

    Filesize

    62KB

    MD5

    96fedf6b9bdef61b693c3c895e647ec9

    SHA1

    d75b1c6021af31f40414e892d9fdc16132df9a82

    SHA256

    aed72392c30af8bbd8d7d2978992fb0b499333741e799e1e14f285af74e3b9dc

    SHA512

    3fab7337d135387c5ee923960985b0c58c7c45ce34c97e7a984549e805f6ddc71bde72ba83f9473fd48c8cd380e3e75674a21e2250d7eccfdcae011caea73384

  • memory/736-0-0x00007FF918743000-0x00007FF918745000-memory.dmp

    Filesize

    8KB

  • memory/736-1-0x0000000000AD0000-0x0000000000AE6000-memory.dmp

    Filesize

    88KB

  • memory/736-6-0x00007FF918740000-0x00007FF919202000-memory.dmp

    Filesize

    10.8MB

  • memory/736-7-0x00007FF918743000-0x00007FF918745000-memory.dmp

    Filesize

    8KB

  • memory/736-8-0x00007FF918740000-0x00007FF919202000-memory.dmp

    Filesize

    10.8MB

  • memory/5008-11-0x00007FF918740000-0x00007FF919202000-memory.dmp

    Filesize

    10.8MB

  • memory/5008-13-0x00007FF918740000-0x00007FF919202000-memory.dmp

    Filesize

    10.8MB