Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-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 3 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 12 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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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⤵
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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
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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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\WinRAR\WinrarTaskhost.exe"C:\Users\Admin\AppData\Roaming\WinRAR\WinrarTaskhost.exe"2⤵
- Executes dropped EXE
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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
memory/2232-31-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/2232-27-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/2232-25-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/2232-23-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/2232-24-0x0000000005120000-0x000000000547B000-memory.dmp
memory/2680-12-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2680-13-0x0000000004FA0000-0x0000000005006000-memory.dmp
memory/2680-26-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/2680-20-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/2680-16-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/2680-14-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/4364-15-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/4364-0-0x0000000074652000-0x0000000074653000-memory.dmp
memory/4364-11-0x0000000007950000-0x0000000007A0E000-memory.dmp
memory/4364-7-0x0000000004F60000-0x0000000004F6C000-memory.dmp
memory/4364-10-0x00000000078B0000-0x000000000794C000-memory.dmp
memory/4364-9-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/4364-6-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/4364-5-0x0000000004C80000-0x0000000004C8A000-memory.dmp
memory/4364-4-0x0000000005820000-0x0000000005B7B000-memory.dmp
memory/4364-3-0x0000000004D40000-0x0000000004DD2000-memory.dmp
memory/4364-8-0x0000000074652000-0x0000000074653000-memory.dmp
memory/4364-2-0x0000000005260000-0x000000000581A000-memory.dmp
memory/4364-1-0x0000000000180000-0x000000000025E000-memory.dmp