Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 19:32

General

  • Target
    37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe
  • Size 833KB
  • Sample260809-x856yavapf
  • SHA256 37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 109.248.150.234:443

Mutex
  • 70vLmgcqMEnUJOeL

Attributes
  • Install_directory

    %AppData%

  • install_file

    bin.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

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

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe
    "C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4456
    • C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe
      "C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe"
      2⤵
      • Creates a file in the Startup directory
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5496
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:6068
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\bin.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4676
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'bin.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1212
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "bin" /tr "C:\Users\Admin\AppData\Roaming\bin.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5804
  • C:\Users\Admin\AppData\Roaming\bin.exe
    C:\Users\Admin\AppData\Roaming\bin.exe
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3376
    • C:\Users\Admin\AppData\Roaming\bin.exe
      "C:\Users\Admin\AppData\Roaming\bin.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3128
  • C:\Users\Admin\AppData\Roaming\bin.exe
    "C:\Users\Admin\AppData\Roaming\bin.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3740
    • C:\Users\Admin\AppData\Roaming\bin.exe
      "C:\Users\Admin\AppData\Roaming\bin.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1484
  • C:\Users\Admin\AppData\Roaming\bin.exe
    "C:\Users\Admin\AppData\Roaming\bin.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:200

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 21KB
        • SHA256 c55d114c7b325ae18251113f4db4346b76c6b6ed3733c6a1b6fa185dc70658f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 21KB
        • SHA256 76bbffddb629cb32939d3f344980548804fb4d69f84b01202d0352efe114a583
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 21KB
        • SHA256 11ca986d6dbbddd70e798f016266cee5cb1beae2056e7b831ad4e5f3c77d48fc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_0b0gaktw.gkm.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0b0gaktw.gkm.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        bin.exe

        • Path C:\Users\Admin\AppData\Roaming\bin.exe
        • Size 833KB
        • SHA256 37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1212-61-0x0000000070830000-0x000000007087C000-memory.dmp

        memory/2792-12-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/2792-11-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2792-46-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/2792-69-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/2792-72-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/4456-2-0x0000000005570000-0x0000000005B2A000-memory.dmp

        memory/4456-3-0x0000000005050000-0x00000000050E2000-memory.dmp

        memory/4456-13-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/4456-10-0x00000000078F0000-0x0000000007996000-memory.dmp

        memory/4456-1-0x0000000000460000-0x0000000000536000-memory.dmp

        memory/4456-9-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/4456-7-0x0000000007720000-0x000000000773C000-memory.dmp

        memory/4456-0-0x00000000745B2000-0x00000000745B3000-memory.dmp

        memory/4456-6-0x00000000051B0000-0x000000000524C000-memory.dmp

        memory/4456-5-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/4456-8-0x00000000745B2000-0x00000000745B3000-memory.dmp

        memory/4456-4-0x0000000005100000-0x000000000510A000-memory.dmp

        memory/4676-50-0x0000000005AB0000-0x0000000005E0B000-memory.dmp

        memory/4676-52-0x00000000064D0000-0x000000000651C000-memory.dmp

        memory/4676-53-0x0000000070800000-0x000000007084C000-memory.dmp

        memory/4676-56-0x0000000007260000-0x0000000007303000-memory.dmp

        memory/5496-31-0x0000000006120000-0x0000000006140000-memory.dmp

        memory/5496-25-0x0000000005B30000-0x0000000005B4E000-memory.dmp

        memory/5496-33-0x00000000074E0000-0x0000000007B5C000-memory.dmp

        memory/5496-34-0x0000000006EA0000-0x0000000006EBA000-memory.dmp

        memory/5496-35-0x0000000006F10000-0x0000000006F1A000-memory.dmp

        memory/5496-36-0x0000000007110000-0x00000000071A6000-memory.dmp

        memory/5496-38-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/5496-14-0x00000000022F0000-0x0000000002326000-memory.dmp

        memory/5496-28-0x0000000070830000-0x000000007087C000-memory.dmp

        memory/5496-27-0x0000000006D30000-0x0000000006D66000-memory.dmp

        memory/5496-16-0x0000000004E90000-0x00000000054DA000-memory.dmp

        memory/5496-32-0x0000000006D70000-0x0000000006E13000-memory.dmp

        memory/5496-26-0x0000000005D90000-0x0000000005DDC000-memory.dmp

        memory/5496-24-0x00000000056D0000-0x0000000005A2B000-memory.dmp

        memory/5496-21-0x00000000054E0000-0x0000000005502000-memory.dmp

        memory/5496-22-0x0000000005580000-0x00000000055E6000-memory.dmp

        memory/5496-23-0x0000000005660000-0x00000000056C6000-memory.dmp

        memory/5496-18-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/5496-17-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/5496-15-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/6068-43-0x0000000070830000-0x000000007087C000-memory.dmp

        memory/6068-39-0x00000000063D0000-0x000000000672B000-memory.dmp