Analysis
- max time kernel
600s - max time network
596s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
03/06/2026, 00:17
General
- Target QUOTATION_#PO-20260602-7701663 E2S A105N.pdf(783KB).exe
- Size 1.1MB
- Sample260603-aleddagy6n
- SHA256 8ac1b7a926bb396cee28bc1fa36f91bf7687c19be5a9a304451efb16a06ce3dd
Malware Config
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Drops startup file 2 IoCs
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\QUOTATION_#PO-20260602-7701663 E2S A105N.pdf(783KB).exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION_#PO-20260602-7701663 E2S A105N.pdf(783KB).exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\QUOTATION_#PO-20260602-7701663 E2S A105N.pdf(783KB).exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION_#PO-20260602-7701663 E2S A105N.pdf(783KB).exe"2⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\VersionUpdate.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\VersionUpdate.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\VersionUpdate.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\VersionUpdate.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
QUOTATION_#PO-20260602-7701663 E2S A105N.pdf(783KB).exe.log
VersionUpdate.exe
memory/1248-25-0x0000000005080000-0x0000000005090000-memory.dmp
memory/1248-22-0x0000000005080000-0x0000000005090000-memory.dmp
memory/1248-23-0x0000000000F40000-0x0000000000F41000-memory.dmp
memory/2052-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp
memory/2052-0-0x00000000001C0000-0x00000000002DE000-memory.dmp
memory/2052-7-0x0000000006DF0000-0x0000000006E8C000-memory.dmp
memory/2052-8-0x00000000055D0000-0x00000000055EE000-memory.dmp
memory/2052-9-0x0000000005030000-0x0000000005040000-memory.dmp
memory/2052-10-0x00000000060A0000-0x0000000006152000-memory.dmp
memory/2052-1-0x0000000005030000-0x0000000005040000-memory.dmp
memory/2052-6-0x0000000006D20000-0x0000000006DF2000-memory.dmp
memory/2052-2-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
memory/2052-4-0x0000000004DE0000-0x0000000004E72000-memory.dmp
memory/2052-3-0x00000000055F0000-0x0000000005B96000-memory.dmp
memory/5096-19-0x0000000005A20000-0x0000000005A30000-memory.dmp
memory/5096-14-0x00000000058A0000-0x0000000005906000-memory.dmp
memory/5096-24-0x0000000005A20000-0x0000000005A30000-memory.dmp
memory/5096-11-0x0000000000400000-0x0000000000420000-memory.dmp