Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
05/05/2026, 04:31
General
- Target PO-1404-T-268-pdf.exe
- Size 1.8MB
- Sample260505-e5krqacv2p
- SHA256 bc84425e91709166a5dfbd93ace6b3ad24db1eae82da1b78282b55de277e3482
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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Executes dropped EXE 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 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 9 IoCs
- Suspicious use of SendNotifyMessage 9 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\PO-1404-T-268-pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO-1404-T-268-pdf.exe"2⤵
- Checks computer location settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\InformationCheck.exe"C:\Users\Admin\AppData\Local\Temp\InformationCheck.exe" "C:\Users\Admin\AppData\Local\Temp\Details.html"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\Startupanimage_dg.url" & echo URL="C:\Users\Admin\AppData\Local\WordGenius Technologies\SwiftWrite.js" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startupanimage_dg.url" & exit2⤵
- System Location Discovery: System Language Discovery
-
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C:\Users\Admin\AppData\Local\Temp\jsc.exeC:\Users\Admin\AppData\Local\Temp\jsc.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Details.html
InformationCheck.exe
jsc.exe
memory/1592-21-0x0000000001F50000-0x0000000002070000-memory.dmp
memory/1592-29-0x0000000001F50000-0x0000000002070000-memory.dmp
memory/4040-30-0x0000000005F80000-0x0000000006524000-memory.dmp
memory/4040-27-0x0000000005620000-0x00000000056BC000-memory.dmp
memory/4040-24-0x0000000000BD0000-0x0000000000BE0000-memory.dmp
memory/4040-31-0x0000000006530000-0x00000000065C2000-memory.dmp
memory/4040-32-0x0000000005F60000-0x0000000005F6A000-memory.dmp
memory/4040-34-0x0000000002ED0000-0x0000000002EDA000-memory.dmp
memory/4040-33-0x0000000001580000-0x00000000016A0000-memory.dmp
memory/4040-35-0x0000000006FB0000-0x0000000007016000-memory.dmp
memory/4040-36-0x0000000001580000-0x00000000016A0000-memory.dmp
memory/4040-38-0x0000000001580000-0x00000000016A0000-memory.dmp
memory/4040-40-0x0000000001580000-0x00000000016A0000-memory.dmp
memory/4040-58-0x0000000001580000-0x00000000016A0000-memory.dmp
memory/4616-13-0x0000024D77040000-0x0000024D77095000-memory.dmp