Overview

overview

10

Static

static

10

XClient.exe

windows11-21h2-x64

Analysis

  • max time kernel
    119s
  • max time network
    130s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19-01-2025 17:49

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    XClient.exe

  • Size

    83KB

  • MD5

    5a285bcbc499dd2dd13e00a12b0198fb

  • SHA1

    512e32a423772ef3cc6f0169b6f4b0f9374ce4fe

  • SHA256

    f48b94b60d4ed824d07b5eb363802eb0ab344c980296b92a1d6a48a5e6f97ffa

  • SHA512

    ac19715d2949c79545604c5088622c6ba05ec6ee7e61cf22a37c358824663303bc4363018731bcbde78f7608cd04cf9005fafb48784448f58929e54deaaadfd8

  • SSDEEP

    1536:fta5sXylMDLY1ibi3PIrxT/f7p416Ilt8reOitY/El/36D:lkvlMqibigt/fVVreOitY/Edo

Score
10/10
xwormevasionexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

trip-thesaurus.gl.at.ply.gg:16715

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Disables Task Manager via registry modification
    evasion
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 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⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1900
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1036
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\SecurityHealthSystray'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:760
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SecurityHealthSystray'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2844
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SecurityHealthSystray" /tr "C:\Users\Admin\AppData\Roaming\SecurityHealthSystray"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4304
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4024
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /0
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2824
  • C:\Users\Admin\AppData\Roaming\SecurityHealthSystray
    C:\Users\Admin\AppData\Roaming\SecurityHealthSystray
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4400
  • C:\Users\Admin\AppData\Roaming\SecurityHealthSystray
    C:\Users\Admin\AppData\Roaming\SecurityHealthSystray
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2112
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /0
    1⤵
      PID:3840

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\SecurityHealthSystray.log
      Filesize

      654B

      MD5

      2cbbb74b7da1f720b48ed31085cbd5b8

      SHA1

      79caa9a3ea8abe1b9c4326c3633da64a5f724964

      SHA256

      e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

      SHA512

      ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

      Download Submit

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

      2KB

      MD5

      627073ee3ca9676911bee35548eff2b8

      SHA1

      4c4b68c65e2cab9864b51167d710aa29ebdcff2e

      SHA256

      85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

      SHA512

      3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      944B

      MD5

      e3840d9bcedfe7017e49ee5d05bd1c46

      SHA1

      272620fb2605bd196df471d62db4b2d280a363c6

      SHA256

      3ac83e70415b9701ee71a4560232d7998e00c3db020fde669eb01b8821d2746f

      SHA512

      76adc88ab3930acc6b8b7668e2de797b8c00edcfc41660ee4485259c72a8adf162db62c2621ead5a9950f12bfe8a76ccab79d02fda11860afb0e217812cac376

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      944B

      MD5

      80b42fe4c6cf64624e6c31e5d7f2d3b3

      SHA1

      1f93e7dd83b86cb900810b7e3e43797868bf7d93

      SHA256

      ee20a5b38a6674366efda276dbbf0b43eb54efd282acfc1033042f6b53a80d4d

      SHA512

      83c1c744c15a8b427a1d3af677ec3bfd0353875a60fe886c41570981e17467ebbb59619b960ca8c5c3ab1430946b0633ea200b7e7d84ab6dca88b60c50055573

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      944B

      MD5

      0b59f3fa12628f63b5713c4833570d7f

      SHA1

      badcf18f1fdc94b1eadf63f27c09ad092c4a6ccb

      SHA256

      2332e52881483559d787508831c00192c4f0a4fedc232b0309e566a30247af1d

      SHA512

      01724fd9f7a20ec5ff3d2686593d5d95069135834e9b156ced36985067fb36e7b3ec2a0018e41fa125ad5d1e42c80be9e148632a9b655f2d41c1400a4320abe7

      Download Submit

    • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
      Filesize

      10KB

      MD5

      1e7dd00b69af4d51fb747a9f42c6cffa

      SHA1

      496cdb3187d75b73c0cd72c69cd8d42d3b97bca2

      SHA256

      bc7aec43a9afb0d07ef7e3b84b5d23a907b6baff367ecd4235a15432748f1771

      SHA512

      d5227d3df5513d7d0d7fb196eef014e54094c5ed8c5d31207b319e12480433f1424d49df759a7a2aefc6a69cef6bf2a0cc45d05660e618dc2ec9a2b082b7b5f7

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yva4nonc.5sz.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityHealthSystray.lnk
      Filesize

      819B

      MD5

      c5d531231d7625ec6f4e54325182fec1

      SHA1

      8249a2ec4ca6da31c635de33e09d6eff8402e94d

      SHA256

      7bd60aeee0424a39b7e430e9def01228300f1fa5c16ab378a43be720d1b058c7

      SHA512

      25540a2427ea0b746b69c3b438d01be7d34b69760a1e1dd4e892dbe8950cb0332460b55e3509352b9e809e17b3416294d49b5359b63c9034f6c3f7d8b13715ce

      Download Submit

    • C:\Users\Admin\AppData\Roaming\SecurityHealthSystray
      Filesize

      83KB

      MD5

      5a285bcbc499dd2dd13e00a12b0198fb

      SHA1

      512e32a423772ef3cc6f0169b6f4b0f9374ce4fe

      SHA256

      f48b94b60d4ed824d07b5eb363802eb0ab344c980296b92a1d6a48a5e6f97ffa

      SHA512

      ac19715d2949c79545604c5088622c6ba05ec6ee7e61cf22a37c358824663303bc4363018731bcbde78f7608cd04cf9005fafb48784448f58929e54deaaadfd8

      Download Submit

    • memory/1900-15-0x00007FFB0A760000-0x00007FFB0B222000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1900-9-0x00000130EC7E0000-0x00000130EC802000-memory.dmp

      Filesize

      136KB

      Download

    • memory/1900-16-0x00007FFB0A760000-0x00007FFB0B222000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1900-19-0x00007FFB0A760000-0x00007FFB0B222000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1900-14-0x00007FFB0A760000-0x00007FFB0B222000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1900-13-0x00007FFB0A760000-0x00007FFB0B222000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1900-3-0x00007FFB0A760000-0x00007FFB0B222000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/2072-54-0x00007FFB0A760000-0x00007FFB0B222000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/2072-85-0x000000001C660000-0x000000001C66A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/2072-1-0x0000000000690000-0x00000000006AA000-memory.dmp

      Filesize

      104KB

      Download

    • memory/2072-81-0x000000001C650000-0x000000001C65E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2072-0-0x00007FFB0A763000-0x00007FFB0A765000-memory.dmp

      Filesize

      8KB

      Download

    • memory/2072-79-0x000000001BF50000-0x000000001BF5C000-memory.dmp

      Filesize

      48KB

      Download

    • memory/2072-2-0x00007FFB0A760000-0x00007FFB0B222000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/2824-70-0x0000017CA9470000-0x0000017CA9471000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2824-71-0x0000017CA9470000-0x0000017CA9471000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2824-68-0x0000017CA9470000-0x0000017CA9471000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2824-69-0x0000017CA9470000-0x0000017CA9471000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2824-72-0x0000017CA9470000-0x0000017CA9471000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2824-73-0x0000017CA9470000-0x0000017CA9471000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2824-74-0x0000017CA9470000-0x0000017CA9471000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2824-63-0x0000017CA9470000-0x0000017CA9471000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2824-64-0x0000017CA9470000-0x0000017CA9471000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2824-62-0x0000017CA9470000-0x0000017CA9471000-memory.dmp

      Filesize

      4KB

      Download