Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 02:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe
Resource
win11ltsc2024-20260709-en
8 signatures
150 seconds
General
- Target 028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe
- Size 762KB
- Sample260810-df4b4atydt
- SHA256 028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a
- MD5 e8514a59500ba8f41833dc99c029f5ea
- SHA1 d231ace005e3741b842c65a58fedcd8593b44b1c
- SHA512 9a0f779fe038de98c0b20fd9d8af93001f792195fde78ba7fa91976e1b88822db1ce85c7a1df32f881df029ff103fe4c14e3c3b83abd7451fec823c9187ab539
- SSDEEP 12288:XxYvFwzvM6r4OERo+UnTedEuwByEUfSYhAK0+d3i7xaCb8iI/KMCZFU9:XSdaMemo+UnSCuwByrf5AKj4ayTMCzU9
- TLSH T135F402286616D526D814ABF81D70F2B8077C6DDEE401EB169FD9BEEF7A22F019D04183
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
C2
-
31.56.209.126:1996
Mutex
-
uMh4zbD5EZQrHaFJ
Attributes
-
Install_directory
%AppData%
-
install_file
bin.exe
aes.plain
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/5504-11-0x0000000000400000-0x0000000000410000-memory.dmp family_xworm - Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bin.lnk RegSvcs.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bin.lnk RegSvcs.exe - Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 ip-api.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3692 set thread context of 5504 3692 028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe 89 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5504 RegSvcs.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3692 wrote to memory of 5504 3692 028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe 89 PID 3692 wrote to memory of 5504 3692 028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe 89 PID 3692 wrote to memory of 5504 3692 028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe 89 PID 3692 wrote to memory of 5504 3692 028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe 89 PID 3692 wrote to memory of 5504 3692 028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe"C:\Users\Admin\AppData\Local\Temp\028738c5837494b44e9ebf63d022a75bcf49982702f239890732c4ce4b655f0a.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3692 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Creates a file in the Startup directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5504
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5996