General
- Target newui.exe
- Size 158KB
- Sample260907-1yn2fsvtgt
- SHA256 d1125afe620892cf2985569a4ba2188e7514fdc5c07c1f9afa9647bf1e0d2635
- MD5 86c34006a8599e5660ba19950b692c92
- SHA1 b18c71df1e4354c64c0473cb446203217824a766
- SHA512 5634e6c15f68465e96898dda57036b0f4433c52da5183263c190c5e9e960b674838b3a0ea180829b47125f254b6b92bea6f6bf0481c23329a31e3346105d4d41
- SSDEEP 3072:v+/wxZEc38xErjPXIEFkT4AAj7Wj0gsMkJ+aQIR4mT1upPDmvEnhlpNjX4A:v+/wT8xkDIWkT4hFDMkJ+zQ0PDmvEhlz
- TLSH T14DF3F1A45EA88663D606943F9A523A4764FD1B875F322E0901B4F76F062DEECCFD2131
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
newui.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
newui.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
xworm
-
XWorm V5.2
-
catdogfree300-43400.portmap.host:43400
-
Install_directory
%AppData%
-
install_file
smartscreen.exe
Targets
-
- Target newui.exe
- Size 158KB
- SHA256 d1125afe620892cf2985569a4ba2188e7514fdc5c07c1f9afa9647bf1e0d2635
- MD5 86c34006a8599e5660ba19950b692c92
- SHA1 b18c71df1e4354c64c0473cb446203217824a766
- SHA512 5634e6c15f68465e96898dda57036b0f4433c52da5183263c190c5e9e960b674838b3a0ea180829b47125f254b6b92bea6f6bf0481c23329a31e3346105d4d41
- SSDEEP 3072:v+/wxZEc38xErjPXIEFkT4AAj7Wj0gsMkJ+aQIR4mT1upPDmvEnhlpNjX4A:v+/wT8xkDIWkT4hFDMkJ+zQ0PDmvEhlz
- TLSH T14DF3F1A45EA88663D606943F9A523A4764FD1B875F322E0901B4F76F062DEECCFD2131
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detect Xworm Payload
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Creates a file in the Startup directory
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.
-
Executes dropped EXE
-
Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
2Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1