Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/09/2026, 23:17
General
- Target 34916b40c120fd64a69ab9ba051522a4e30a7ba21925e19eaca91a7dd4cbb66a.exe
- Size 12.7MB
- Sample260904-29txhsaf62
- SHA256 34916b40c120fd64a69ab9ba051522a4e30a7ba21925e19eaca91a7dd4cbb66a
Malware Config
Extracted
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xworm
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XWorm V5.11
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Install_directory
%AppData%
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install_file
XClient.exe
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pastebin_url
https://pastebin.com/raw/GaAFd8LE
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 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 3 IoCs
- Loads dropped DLL 15 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Looks up external IP address via web service 1 TTPs 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).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\34916b40c120fd64a69ab9ba051522a4e30a7ba21925e19eaca91a7dd4cbb66a.exe"C:\Users\Admin\AppData\Local\Temp\34916b40c120fd64a69ab9ba051522a4e30a7ba21925e19eaca91a7dd4cbb66a.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\34916b40c120fd64a69ab9ba051522a4e30a7ba21925e19eaca91a7dd4cbb66a.exe"C:\Users\Admin\AppData\Local\Temp\34916b40c120fd64a69ab9ba051522a4e30a7ba21925e19eaca91a7dd4cbb66a.exe"2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\_MEI000005882\xwave-loader-dev.exeC:\Users\Admin\AppData\Local\Temp\_MEI000005882\xwave-loader-dev.exe3⤵
- Checks computer location settings
- Creates a file in the Startup directory
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\_MEI000005882\xwave-loader-dev.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'xwave-loader-dev.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
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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\XClient.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Users\Admin\AppData\Local\Temp\_MEI000005882\dev.exeC:\Users\Admin\AppData\Local\Temp\_MEI000005882\dev.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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-
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
VCRUNTIME140.dll
_asyncio.pyd
_bz2.pyd
_ctypes.pyd
_decimal.pyd
_hashlib.pyd
_lzma.pyd
_multiprocessing.pyd
_overlapped.pyd
_queue.pyd
_socket.pyd
_ssl.pyd
_zstd.pyd
base_library.zip
dev.exe
libcrypto-3.dll
libffi-8.dll
libssl-3.dll
main.ico
pyexpat.pyd
python314.DLL
select.pyd
unicodedata.pyd
xwave-loader-dev.exe
__PSScriptPolicyTest_kmqgfqob.ckv.ps1
memory/1052-75-0x000001E0ACBE0000-0x000001E0ACC02000-memory.dmp
memory/3508-65-0x0000000000D20000-0x0000000000D34000-memory.dmp
memory/3508-66-0x0000000002F00000-0x0000000002F10000-memory.dmp
memory/3508-67-0x0000000002F00000-0x0000000002F10000-memory.dmp