Analysis
- max time kernel
899s - max time network
897s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
16/09/2026, 14:59
General
- Target XClient.exe
- Size 30KB
- Sample260916-scqddsbd65
- SHA256 d649d77a6f650c4dc010ca829870993142900d603e7519c0c0910544f2e422e6
Malware Config
Extracted
-
xworm
-
3.0
-
31.6.50.206:2017
-
KK8iCD3DPVJsmmBf
-
install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Disables RegEdit via registry modification 1 IoCs
- Executes dropped EXE 1 IoCs
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 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 3 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\qkrxyf.exe"C:\Users\Admin\AppData\Local\Temp\qkrxyf.exe"2⤵
- Disables RegEdit via registry modification
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004D8 0x00000000000004D01⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
-
C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
qkrxyf.exe
memory/3420-8-0x000000001E430000-0x000000001E958000-memory.dmp
memory/3420-1-0x0000000000030000-0x000000000003E000-memory.dmp
memory/3420-3-0x00007FFF6C690000-0x00007FFF6D034000-memory.dmp
memory/3420-4-0x00007FFF6C690000-0x00007FFF6D034000-memory.dmp
memory/3420-5-0x00007FFF6C690000-0x00007FFF6D034000-memory.dmp
memory/3420-6-0x0000000002480000-0x000000000248A000-memory.dmp
memory/3420-7-0x0000000000760000-0x000000000076E000-memory.dmp
memory/3420-0-0x00007FFF6C81F000-0x00007FFF6C820000-memory.dmp
memory/3420-2-0x00007FFF6C690000-0x00007FFF6D034000-memory.dmp
memory/5660-17-0x0000000074B12000-0x0000000074B13000-memory.dmp
memory/5660-18-0x0000000000DA0000-0x0000000000DDC000-memory.dmp
memory/5660-20-0x0000000006ED0000-0x000000000748A000-memory.dmp
memory/5660-21-0x0000000074B00000-0x00000000752BC000-memory.dmp
memory/5660-23-0x0000000007530000-0x00000000075C2000-memory.dmp
memory/5660-25-0x0000000005C40000-0x0000000005C4A000-memory.dmp
memory/5660-26-0x0000000074B12000-0x0000000074B13000-memory.dmp
memory/5660-27-0x0000000074B00000-0x00000000752BC000-memory.dmp