Analysis
- max time kernel
161s - max time network
178s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 15:48
General
- Target 4e9a6d2c5130f2149fa5a957a23db083f2e864579f02bbe8a6a8fdee65a60894.exe
- Size 1.0MB
- Sample260707-s8395agy31
- SHA256 4e9a6d2c5130f2149fa5a957a23db083f2e864579f02bbe8a6a8fdee65a60894
Malware Config
Extracted
-
xworm
-
5.0
-
107.173.143.20:7004
-
SyYYqdoljYBl4one
-
install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
- Downloads MZ/PE file 1 IoCs
- Drops startup file 2 IoCs
- Executes dropped EXE 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 23 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\4e9a6d2c5130f2149fa5a957a23db083f2e864579f02bbe8a6a8fdee65a60894.exe"C:\Users\Admin\AppData\Local\Temp\4e9a6d2c5130f2149fa5a957a23db083f2e864579f02bbe8a6a8fdee65a60894.exe"2⤵
- Downloads MZ/PE file
- Suspicious use of WriteProcessMemory
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C:\Users\Public\Downloads\installer.exeC:\Users\Public\Downloads\installer.exe "C:\Users\Public\Downloads\config.data"3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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-
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C:\Windows\SysWOW64\cmd.execmd /k echo [InternetShortcut] > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startupinverter_sub.url" & echo URL="C:\Users\Admin\AppData\Local\WordGenius Technologies\SwiftWrite.js" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startupinverter_sub.url" & exit2⤵
- System Location Discovery: System Language Discovery
-
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C:\Users\Public\Downloads\jsc.exeC:\Users\Public\Downloads\jsc.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
config.data
installer.exe
jsc.exe
memory/4960-19-0x0000000005B00000-0x00000000060BA000-memory.dmp
memory/4960-17-0x0000000073AB2000-0x0000000073AB3000-memory.dmp
memory/4960-18-0x00000000052A0000-0x000000000533C000-memory.dmp
memory/4960-14-0x0000000000970000-0x0000000000980000-memory.dmp
memory/4960-20-0x0000000005830000-0x00000000058C2000-memory.dmp
memory/4960-21-0x0000000073AA0000-0x000000007425C000-memory.dmp
memory/4960-22-0x0000000073AB2000-0x0000000073AB3000-memory.dmp
memory/4960-23-0x0000000006240000-0x000000000624A000-memory.dmp
memory/4960-24-0x0000000006D30000-0x0000000006D96000-memory.dmp
memory/4960-25-0x0000000073AA0000-0x000000007425C000-memory.dmp