Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20251016-en - resource tags
- submitted
21/10/2025, 04:26
General
- Target SKM_C300i2510201438065959565985959595959_65535656535.PDF.exe
- Size 527KB
- Sample251021-e2scdse12b
- SHA256 2cd68c73f407a88d29c7599a427f747f4f686dd12c33be96589d49f2f879d080
Malware Config
Extracted
-
xworm
-
5.0
-
104.250.180.178:7061
-
nad1XgX6V6D7Ls0K
-
Install_directory
%AppData%
-
install_file
XWormClient.exe
Signatures
- Detect Xworm Payload 1 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Xworm family
- Drops startup file 2 IoCs
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SKM_C300i2510201438065959565985959595959_65535656535.PDF.exe"C:\Users\Admin\AppData\Local\Temp\SKM_C300i2510201438065959565985959595959_65535656535.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SKM_C300i2510201438065959565985959595959_65535656535.PDF.exe"C:\Users\Admin\AppData\Local\Temp\SKM_C300i2510201438065959565985959595959_65535656535.PDF.exe"2⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
SKM_C300i2510201438065959565985959595959_65535656535.PDF.exe.log
memory/1516-9-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1516-18-0x0000000005460000-0x0000000005470000-memory.dmp
memory/1516-17-0x00000000063D0000-0x0000000006436000-memory.dmp
memory/1516-16-0x0000000005460000-0x0000000005470000-memory.dmp
memory/4328-3-0x0000000005C80000-0x0000000005C90000-memory.dmp
memory/4328-6-0x0000000005F20000-0x0000000005F36000-memory.dmp
memory/4328-7-0x0000000005C80000-0x0000000005C90000-memory.dmp
memory/4328-8-0x0000000006D90000-0x0000000006DE4000-memory.dmp
memory/4328-5-0x0000000005D30000-0x0000000005DCC000-memory.dmp
memory/4328-4-0x0000000005AC0000-0x0000000005ACA000-memory.dmp
memory/4328-0-0x0000000000FE0000-0x000000000106A000-memory.dmp
memory/4328-2-0x00000000059F0000-0x0000000005A82000-memory.dmp
memory/4328-1-0x0000000006070000-0x0000000006614000-memory.dmp