Analysis
- max time kernel
150s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
07/11/2026, 14:20
General
- Target XWormClient.exe
- Size 431KB
- Sample261107-rnj53sfb56
- SHA256 a07247afb650bb2a0fd763d0bdde2001d8180791d167772b448fc4b1a7dd53f7
Malware Config
Extracted
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xworm
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5.0
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10.0.2.15:7004
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W8QNbGeOcbgrizPT
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install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 IoCs
- Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
- Executes dropped EXE 6 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Drops file in System32 directory 2 IoCs
- Drops file in Windows directory 5 IoCs
- 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 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\XWormClient.exe"C:\Users\Admin\AppData\Local\Temp\XWormClient.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\users\admin\appdata\local\temp\xwormclient.exec:\users\admin\appdata\local\temp\xwormclient.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
xwormclient.exe
explorer.exe
icsys.icn.exe
spoolsv.exe
svchost.exe
memory/936-64-0x0000000000400000-0x000000000041F000-memory.dmp
memory/936-52-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1244-40-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1244-59-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1608-11-0x00007FFA305BF000-0x00007FFA305C0000-memory.dmp
memory/1608-62-0x00007FFA30430000-0x00007FFA30DD4000-memory.dmp
memory/1608-13-0x00007FFA30430000-0x00007FFA30DD4000-memory.dmp
memory/1608-12-0x0000000000D60000-0x0000000000DB0000-memory.dmp
memory/1608-21-0x00007FFA30430000-0x00007FFA30DD4000-memory.dmp
memory/3160-0-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3160-61-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4364-60-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4364-34-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4496-58-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4496-56-0x0000000000400000-0x000000000041F000-memory.dmp
memory/5544-63-0x0000000000400000-0x000000000041F000-memory.dmp
memory/5544-35-0x0000000000400000-0x000000000041F000-memory.dmp