Analysis
- user interaction
yes - max time kernel
138s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
27/10/2026, 11:21
General
- Target XClient.exe
- Size 32KB
- Sample261027-nf32fadv8j
- SHA256 ec59e05e9ec3f55aab95387be203e9fba9fa090037252416b7276fcb27e77e94
Malware Config
Extracted
-
xworm
-
5.0
-
vkypk-188-71-253-93.run.pinggy-free.link:46345
-
yQRAb35ZaKsTg0No
-
install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Executes dropped EXE 5 IoCs
- Drops file in System32 directory 2 IoCs
- Enumerates video capture drivers 2 TTPs 1 IoCs
Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\prrfrc.COM"C:\Users\Admin\AppData\Local\Temp\prrfrc.COM"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MBR2.exe"C:\Users\Admin\AppData\Local\Temp\MBR2.exe"3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\MatrixMBR.exe"C:\Windows\System32\MatrixMBR.exe"4⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\GDI.exe"C:\Users\Admin\AppData\Local\Temp\GDI.exe"5⤵
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C:\Users\Admin\AppData\Local\Temp\MBR.exe"C:\Users\Admin\AppData\Local\Temp\MBR.exe"5⤵
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-
-
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C:\Users\Admin\AppData\Local\Temp\TROLL5.exe"C:\Users\Admin\AppData\Local\Temp\TROLL5.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
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C:\Users\Admin\AppData\Local\Temp\TROLL2.exe"C:\Users\Admin\AppData\Local\Temp\TROLL2.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004C8 0x00000000000004D01⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
GDI.exe
MBR.exe
MBR2.exe
TROLL2.exe
TROLL5.exe
prrfrc.COM
MatrixMBR.exe
memory/1564-72-0x0000000000640000-0x0000000000686000-memory.dmp
memory/2360-44-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2732-58-0x0000000000620000-0x00000000006D8000-memory.dmp
memory/2732-61-0x0000000005180000-0x0000000005212000-memory.dmp
memory/2732-59-0x0000000005880000-0x0000000005E3A000-memory.dmp
memory/2732-62-0x0000000002C60000-0x0000000002C6A000-memory.dmp
memory/2760-25-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/2760-45-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/2760-21-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/2760-23-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/2760-24-0x000000001B540000-0x000000001B624000-memory.dmp
memory/2760-60-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/2760-26-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/2760-29-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/2760-30-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/2760-22-0x0000000000740000-0x000000000082C000-memory.dmp
memory/3424-9-0x000000001D980000-0x000000001DEA8000-memory.dmp
memory/3424-6-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/3424-10-0x000000001BBC0000-0x000000001BBCA000-memory.dmp
memory/3424-12-0x000000001BBD0000-0x000000001BBD8000-memory.dmp
memory/3424-8-0x000000001BBB0000-0x000000001BBBC000-memory.dmp
memory/3424-0-0x00007FFFBDB7F000-0x00007FFFBDB80000-memory.dmp
memory/3424-7-0x0000000002880000-0x000000000288C000-memory.dmp
memory/3424-11-0x000000001D090000-0x000000001D24A000-memory.dmp
memory/3424-5-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/3424-4-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/3424-3-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/3424-1-0x00000000006C0000-0x00000000006CE000-memory.dmp
memory/3424-2-0x00007FFFBD9F0000-0x00007FFFBE394000-memory.dmp
memory/4828-87-0x00000000006E0000-0x00000000006E8000-memory.dmp
memory/5820-73-0x0000000000400000-0x000000000041D000-memory.dmp