Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/09/2026, 15:24
Behavioral task
behavioral1
Sample
01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b.exe
Resource
win11ltsc2024-20260709-en
General
- Target 01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b.exe
- Size 39KB
- Sample260908-stfkhstbkd
- SHA256 01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b
- MD5 c3467c7f086b0e86f04c8d280d64e9f9
- SHA1 1d92b5eba2bcf288494665f72ff2900c522603f0
- SHA512 ff96b88396de867720e87ef7741fef691748d5eb1a1e3948d4b3aa5ecb66ff1437d4a235d69875deffe71ce8c3f89eb45310c3cf061a727b2821ea3d96adb340
- SSDEEP 768:CSRF2GZnYpiOnQRztRAP10FkX7zFU9oMVOphKKja:lF2UhRAP1Yk/FU9oKOptja
- TLSH T169034B08B7E44251DAFEAFF559B261054271EA17E813EB1E0CE495DA2F37780CE027B6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
xworm
-
5.0
-
37.27.229.173:7004
-
Cie4VH4JE4fm4Yyd
-
Install_directory
%AppData%
-
install_file
XWormClient.exe
-
localhost
127.0.0.1
Signatures
- Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/6080-1-0x0000000000E70000-0x0000000000E80000-memory.dmp family_xworm behavioral2/files/0x000d00000001c61f-12.dat 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\XWormClient.lnk 01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWormClient.lnk 01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b.exe - Executes dropped EXE 4 IoCs
pid Process 4200 XWormClient.exe 5656 XWormClient.exe 1644 XWormClient.exe 5276 XWormClient.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\XWormClient = "C:\\Users\\Admin\\AppData\\Roaming\\XWormClient.exe" 01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5480 schtasks.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 6080 01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b.exe Token: SeDebugPrivilege 4200 XWormClient.exe Token: SeDebugPrivilege 5656 XWormClient.exe Token: SeDebugPrivilege 1644 XWormClient.exe Token: SeDebugPrivilege 5276 XWormClient.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 6080 wrote to memory of 5480 6080 01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b.exe 88 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b.exe"C:\Users\Admin\AppData\Local\Temp\01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b.exe"1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6080 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XWormClient" /tr "C:\Users\Admin\AppData\Roaming\XWormClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:5480
-
-
C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4200
-
C:\Users\Admin\AppData\Roaming\XWormClient.exe"C:\Users\Admin\AppData\Roaming\XWormClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5656
-
C:\Users\Admin\AppData\Roaming\XWormClient.exe"C:\Users\Admin\AppData\Roaming\XWormClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1644
-
C:\Users\Admin\AppData\Roaming\XWormClient.exe"C:\Users\Admin\AppData\Roaming\XWormClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5276
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\XWormClient.exe
- Size 39KB
- SHA256 01ac43a968cdbea8f8b41fad44618222679c457242724f0635ae77bc554c986b
- MD5 c3467c7f086b0e86f04c8d280d64e9f9
- SHA1 1d92b5eba2bcf288494665f72ff2900c522603f0
- SHA512 ff96b88396de867720e87ef7741fef691748d5eb1a1e3948d4b3aa5ecb66ff1437d4a235d69875deffe71ce8c3f89eb45310c3cf061a727b2821ea3d96adb340
- SSDEEP 768:CSRF2GZnYpiOnQRztRAP10FkX7zFU9oMVOphKKja:lF2UhRAP1Yk/FU9oKOptja
- TLSH T169034B08B7E44251DAFEAFF559B261054271EA17E813EB1E0CE495DA2F37780CE027B6
- MD5 SHA1 SHA512 SSDEEP TLSH