Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
27/07/2026, 12:07
General
- Target QUOTATION ZBS260723 - PO-Q260723- THPT-ASN E2S A105N.pdf(782KB).com.exe
- Size 866KB
- Sample260727-papsas11dy
- SHA256 91009d9f4544faf57503ca3d5b83038d9e861f086c3c00fd703b3190ab7e1787
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
- 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 behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\QUOTATION ZBS260723 - PO-Q260723- THPT-ASN E2S A105N.pdf(782KB).com.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION ZBS260723 - PO-Q260723- THPT-ASN E2S A105N.pdf(782KB).com.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\QUOTATION ZBS260723 - PO-Q260723- THPT-ASN E2S A105N.pdf(782KB).com.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION ZBS260723 - PO-Q260723- THPT-ASN E2S A105N.pdf(782KB).com.exe"2⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Users\Admin\AppData\Roaming\WinRAR\WinrarTaskhost.exeC:\Users\Admin\AppData\Roaming\WinRAR\WinrarTaskhost.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\WinRAR\WinrarTaskhost.exe"C:\Users\Admin\AppData\Roaming\WinRAR\WinrarTaskhost.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
WinrarTaskhost.exe.log
WinrarTaskhost.exe
memory/4320-10-0x0000000000400000-0x0000000000420000-memory.dmp
memory/4320-21-0x0000000005830000-0x0000000005840000-memory.dmp
memory/4320-16-0x0000000005830000-0x0000000005840000-memory.dmp
memory/4320-12-0x0000000005960000-0x00000000059C6000-memory.dmp
memory/4336-22-0x0000000005430000-0x0000000005440000-memory.dmp
memory/4336-20-0x0000000005430000-0x0000000005440000-memory.dmp
memory/4336-19-0x0000000005440000-0x0000000005794000-memory.dmp
memory/5104-4-0x0000000005B90000-0x0000000005BA0000-memory.dmp
memory/5104-9-0x0000000007C80000-0x0000000007D3E000-memory.dmp
memory/5104-8-0x0000000007BE0000-0x0000000007C7C000-memory.dmp
memory/5104-7-0x0000000005B90000-0x0000000005BA0000-memory.dmp
memory/5104-6-0x0000000005F40000-0x0000000005F4C000-memory.dmp
memory/5104-5-0x0000000005AA0000-0x0000000005AAA000-memory.dmp
memory/5104-0-0x0000000000E00000-0x0000000000EDE000-memory.dmp
memory/5104-3-0x0000000005BA0000-0x0000000005EF4000-memory.dmp
memory/5104-2-0x00000000058A0000-0x0000000005932000-memory.dmp
memory/5104-1-0x0000000005F50000-0x00000000064F4000-memory.dmp