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Overview

overview

10

Static

static

10

XClient.exe

windows7-x64

10

XClient.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2025, 21:08

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General

  • Target

    XClient.exe

  • Size

    67KB

  • MD5

    b5ea7d94e5e61976ad39908ce98d3717

  • SHA1

    23ef2cd169718cf5eb00e4a6a972888e4caff74f

  • SHA256

    8605ee7e95cfa1e4227c4d19acf8418cd18157515efda8f8ebbb7ce6eeaa7857

  • SHA512

    51c37b8c79f40bef577ee75c37471e358cdd3f80fea5477b33fdd3325f0320223aabdbd20ea7b481fafdb13316e2b4d566e4497255612581404662c3b4c7eb62

  • SSDEEP

    1536:clLmeR5RsNC/70/KlTLHYd+bk81FxJRgZ6fwQOCDPnOdNL:cpPvRQu0/KlfYd+bnaQOEPnOfL

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

currently-rochester.gl.at.ply.gg:30522

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • 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 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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.

    persistence

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:2552
    • 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:548
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1252
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3920

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

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

    Download Submit

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

    67KB

    MD5

    b5ea7d94e5e61976ad39908ce98d3717

    SHA1

    23ef2cd169718cf5eb00e4a6a972888e4caff74f

    SHA256

    8605ee7e95cfa1e4227c4d19acf8418cd18157515efda8f8ebbb7ce6eeaa7857

    SHA512

    51c37b8c79f40bef577ee75c37471e358cdd3f80fea5477b33fdd3325f0320223aabdbd20ea7b481fafdb13316e2b4d566e4497255612581404662c3b4c7eb62

    Download Submit

  • memory/1252-10-0x00007FFFC0F00000-0x00007FFFC19C1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1252-12-0x00007FFFC0F00000-0x00007FFFC19C1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2552-0-0x00007FFFC0F03000-0x00007FFFC0F05000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2552-1-0x0000000000720000-0x0000000000738000-memory.dmp

    Filesize

    96KB

    Download

  • memory/2552-6-0x00007FFFC0F00000-0x00007FFFC19C1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2552-7-0x00007FFFC0F00000-0x00007FFFC19C1000-memory.dmp

    Filesize

    10.8MB

    Download