Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/08/2026, 03:45

General

  • Target
    37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe
  • Size 833KB
  • Sample260831-ea79jaee68
  • 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 4 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 8 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 13 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 27 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:4928
    • C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe
      "C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe"
      2⤵
      • Checks computer location settings
      • 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:2956
      • 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:4388
      • 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:1180
      • 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:1772
      • 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
        • Suspicious use of AdjustPrivilegeToken
        PID:3100
      • 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:1436
  • 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Users\Admin\AppData\Roaming\bin.exe
      "C:\Users\Admin\AppData\Roaming\bin.exe"
      2⤵
      • Executes dropped EXE
      PID:1560
    • C:\Users\Admin\AppData\Roaming\bin.exe
      "C:\Users\Admin\AppData\Roaming\bin.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4772
  • 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:3500
    • C:\Users\Admin\AppData\Roaming\bin.exe
      "C:\Users\Admin\AppData\Roaming\bin.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1196
  • 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Roaming\bin.exe
      "C:\Users\Admin\AppData\Roaming\bin.exe"
      2⤵
      • Executes dropped EXE
      PID:3848
    • C:\Users\Admin\AppData\Roaming\bin.exe
      "C:\Users\Admin\AppData\Roaming\bin.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3356

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512 TLSH

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 78a4ce706cf05d619c16bdf616eadadd38aa96c261ce16232d8ae96139e16118
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 d069afc9f693913c0a203846ed2369831bba21b9169bf0ef44c8ecf11f2689d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 8b3a8e607d1531f16d25562dc89e39e73e7288b90dc9d6e1a5ba24f455cde5a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_frjipums.wmq.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_frjipums.wmq.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/1180-59-0x000000006FF60000-0x000000006FFAC000-memory.dmp

        memory/1772-76-0x000000006FF60000-0x000000006FFAC000-memory.dmp

        memory/2956-106-0x0000000005750000-0x0000000005760000-memory.dmp

        memory/2956-9-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2956-110-0x0000000005750000-0x0000000005760000-memory.dmp

        memory/3100-93-0x000000006FF60000-0x000000006FFAC000-memory.dmp

        memory/4388-29-0x000000006FF60000-0x000000006FFAC000-memory.dmp

        memory/4388-42-0x0000000007820000-0x00000000078B6000-memory.dmp

        memory/4388-22-0x0000000005BF0000-0x0000000005C56000-memory.dmp

        memory/4388-14-0x0000000005450000-0x0000000005A78000-memory.dmp

        memory/4388-16-0x0000000005B80000-0x0000000005BE6000-memory.dmp

        memory/4388-25-0x0000000005C60000-0x0000000005FB4000-memory.dmp

        memory/4388-26-0x0000000006260000-0x000000000627E000-memory.dmp

        memory/4388-27-0x00000000062F0000-0x000000000633C000-memory.dmp

        memory/4388-28-0x0000000006830000-0x0000000006862000-memory.dmp

        memory/4388-13-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

        memory/4388-37-0x0000000006870000-0x000000000688E000-memory.dmp

        memory/4388-38-0x0000000007300000-0x00000000073A3000-memory.dmp

        memory/4388-39-0x0000000007C30000-0x00000000082AA000-memory.dmp

        memory/4388-40-0x00000000075B0000-0x00000000075CA000-memory.dmp

        memory/4388-41-0x0000000007610000-0x000000000761A000-memory.dmp

        memory/4388-15-0x00000000053A0000-0x00000000053C2000-memory.dmp

        memory/4388-43-0x00000000077A0000-0x00000000077B1000-memory.dmp

        memory/4388-44-0x00000000077D0000-0x00000000077DE000-memory.dmp

        memory/4388-45-0x00000000077E0000-0x00000000077F4000-memory.dmp

        memory/4388-46-0x00000000078E0000-0x00000000078FA000-memory.dmp

        memory/4388-47-0x00000000078C0000-0x00000000078C8000-memory.dmp

        memory/4388-12-0x0000000002970000-0x00000000029A6000-memory.dmp

        memory/4928-0-0x00000000003B0000-0x0000000000486000-memory.dmp

        memory/4928-8-0x0000000006CB0000-0x0000000006D56000-memory.dmp

        memory/4928-7-0x0000000005140000-0x0000000005150000-memory.dmp

        memory/4928-6-0x0000000005120000-0x000000000513C000-memory.dmp

        memory/4928-5-0x0000000005080000-0x000000000511C000-memory.dmp

        memory/4928-4-0x0000000004E80000-0x0000000004E8A000-memory.dmp

        memory/4928-3-0x0000000005140000-0x0000000005150000-memory.dmp

        memory/4928-2-0x0000000004EF0000-0x0000000004F82000-memory.dmp

        memory/4928-1-0x0000000005400000-0x00000000059A4000-memory.dmp