Resubmissions

20/06/2026, 08:46

260620-kpgb9ad13l10

11/11/2025, 17:00

251111-vjcf8azndt10

08/09/2025, 16:16

250908-tq8bssgk3110

25/07/2025, 20:23

250725-y5577styaz10

25/07/2025, 20:19

250725-y3x4tahq4x10

25/07/2025, 15:14

250725-smkkws1p1810

Analysis

  • max time kernel
    899s
  • max time network
    651s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-de
  • resource tags

    arch:x64arch:x86image:win11-20250619-delocale:de-deos:windows11-21h2-x64systemwindows
  • submitted
    25/07/2025, 20:23

General

  • Target
    RenameThis.exe
  • Size 162KB
  • Sample250725-y5577styaz
  • SHA256 bd7137c16c8c6c24e1bb91e9bc4cb6d03a7bff7bc52b7d334936af652829df67
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • survey-push.gl.at.ply.gg:32644

Mutex
  • ICJbl8xXmvGoLG6r

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • 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.

  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 14 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • 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.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Delays execution with timeout.exe 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.

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 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\RenameThis.exe
    "C:\Users\Admin\AppData\Local\Temp\RenameThis.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\Users\Admin\AppData\Roaming\Spoofer.exe
      "C:\Users\Admin\AppData\Roaming\Spoofer.exe"
      2⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:592
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c netsh advfirewall set allprofiles state off
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4088
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set allprofiles state off
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:4880
    • C:\Users\Admin\AppData\Roaming\idk.exe
      "C:\Users\Admin\AppData\Roaming\idk.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3984
      • 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\idk.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5028
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'idk.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1984
      • 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\XWormClient.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2644
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormClient.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3032
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XWormClient" /tr "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4948
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /delete /f /tn "XWormClient"
        3⤵
          PID:2112
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9EC0.tmp.bat""
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4440
          • C:\Windows\system32\timeout.exe
            timeout 3
            4⤵
            • Delays execution with timeout.exe
            PID:588
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:996
      • C:\Users\Admin\AppData\Roaming\XWormClient.exe
        C:\Users\Admin\AppData\Roaming\XWormClient.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5024
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1644
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3412
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2352
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3732
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4724
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4828
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:492
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3812
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4344
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1804
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2780

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          fy.txt

          • Path C:\Program Files\7-Zip\Lang\fy.txt
          • Size 5KB
          • SHA256 17e75b25d9aa8d5e896623bd61dd09c537a6587788f9cf93ffc007668a086060
          • MD5 SHA1 SHA512 SSDEEP

          gl.txt

          • Path C:\Program Files\7-Zip\Lang\gl.txt
          • Size 8KB
          • SHA256 7461b9ac108121031e3a008e22a6c5e89e1ca7178013ace2af33bac29815927a
          • MD5 SHA1 SHA512 SSDEEP

          XWormClient.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XWormClient.exe.log
          • Size 654B
          • SHA256 e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
          • MD5 SHA1 SHA512

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 e8aa3162f519e3670b0fc79dfbeeca68ea2b65a17900cf3aafc6a48de3296d60
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 3d46aa2ace9880ec7c1eb00581078beb3ca2107f343654aa5d5e250c97bf67d8
          • MD5 SHA1 SHA512

          __PSScriptPolicyTest_ghfc51sv.3rh.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ghfc51sv.3rh.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmp9EC0.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp9EC0.tmp.bat
          • Size 152B
          • SHA256 bbf135a19a766a2666366c3a21a8b9e022f72ea260e40de73a8a6dffcfb075cb
          • MD5 SHA1 SHA512

          Spoofer.exe

          • Path C:\Users\Admin\AppData\Roaming\Spoofer.exe
          • Size 112KB
          • SHA256 da1c195bbcc4e5693af5119e8a9683ed0c4e8ea4258f1fdd60b821c2fcddf76d
          • MD5 SHA1 SHA512 SSDEEP

          idk.exe

          • Path C:\Users\Admin\AppData\Roaming\idk.exe
          • Size 39KB
          • SHA256 49594cfbf62272ae03a1d56a9aa095a9343cb981f6c4b633f705fcf2e1c076a0
          • MD5 SHA1 SHA512 SSDEEP

          memory/3936-0-0x0000000000350000-0x000000000037E000-memory.dmp

          memory/3984-21-0x0000000000050000-0x0000000000060000-memory.dmp

          memory/3984-1376-0x000000001B090000-0x000000001B0A0000-memory.dmp

          memory/3984-2917-0x000000001B090000-0x000000001B0A0000-memory.dmp

          memory/5028-31-0x000002177C9A0000-0x000002177CA26000-memory.dmp

          memory/5028-42-0x000002177CC80000-0x000002177CD84000-memory.dmp

          memory/5028-40-0x000002177C940000-0x000002177C962000-memory.dmp

          memory/5028-41-0x000002177C910000-0x000002177C920000-memory.dmp