Analysis
- user interaction
yes - max time kernel
55s - max time network
56s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 07:46
Static task
static1
Behavioral task
behavioral1
Sample
test.exe
Resource
win10v2004-20260513-en
General
- Target test.exe
- Size 531KB
- Sample260809-jl68tshd96
- SHA256 0466a679183f2b91d419a9d01fda22b4b7f82d41d2ed3f64392618f73ebf2c01
- MD5 4494639d21ce3cf36e5373d4b9e534af
- SHA1 f7800357511fa8a53d798b31f3585e13f2c7dc7e
- SHA512 fea89a237af6ef17db97e6bdd981c19bd59d332a06a651ab89d586e0b0728225de12887220aac6f9c5fe16ecd6079d845bae7fcd3f43ba14738eb8d84e819abb
- SSDEEP 6144:2md4eSVoizf9+pv89OSNtce8Ii7I3IZkLq01GZKGOJMuj8uDd72wwtZxWweC9Qik:bmay+pB6t/5ikv1GZlG2nj9QidWlX
- TLSH T184C428197FA98A08E591293E455E0608DB9ED1F226327303330BEF625D05DDEDE2D3E6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Windows\\System32\\xdwdDefender.exe" test.exe - Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation test.exe - Executes dropped EXE 4 IoCs
pid Process 3948 xdwdDefender.exe 4228 xdwdMalwareDef.exe 1084 xdwdDefender.exe 4516 xdwdDefender.exe - Loads dropped DLL 8 IoCs
pid Process 2352 Process not Found 4864 Process not Found 3948 xdwdDefender.exe 4228 xdwdMalwareDef.exe 1084 xdwdDefender.exe 4516 xdwdDefender.exe 2212 Process not Found 5020 Process not Found - Looks up external IP address via web service 1 TTPs 8 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 21 checkip.amazonaws.com 28 api.ipify.org 29 api.ipify.org 82 ipinfo.io 97 checkip.amazonaws.com 5 api.ipify.org 11 icanhazip.com 13 ipinfo.io - Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\System32\xdwdDefender.exe xdwdDefender.exe File opened for modification C:\Windows\System32\xdwdDefender.exe xdwdMalwareDef.exe File opened for modification C:\Windows\System32\xdwdDefender.exe xdwdDefender.exe File created C:\Windows\System32\xdwdDefender.exe test.exe File opened for modification C:\Windows\System32\xdwdDefender.exe test.exe - Drops file in Windows directory 7 IoCs
description ioc Process File opened for modification C:\Windows\xdwd.dll test.exe File opened for modification C:\Windows\Web\xdwdMalwareDef.exe xdwdDefender.exe File opened for modification C:\Windows\Web\xdwdMalwareDef.exe xdwdMalwareDef.exe File opened for modification C:\Windows\Web\xdwdMalwareDef.exe xdwdDefender.exe File created C:\Windows\Web\xdwdMalwareDef.exe test.exe File opened for modification C:\Windows\Web\xdwdMalwareDef.exe test.exe File created C:\Windows\xdwd.dll test.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1040 cmd.exe 1224 cmd.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ test.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2884 schtasks.exe 452 schtasks.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1120 test.exe Token: SeDebugPrivilege 3948 xdwdDefender.exe Token: SeDebugPrivilege 4228 xdwdMalwareDef.exe Token: SeDebugPrivilege 1084 xdwdDefender.exe Token: SeIncBasePriorityPrivilege 3948 xdwdDefender.exe Token: SeDebugPrivilege 4516 xdwdDefender.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1120 wrote to memory of 1992 1120 test.exe 93 PID 1120 wrote to memory of 1040 1120 test.exe 95 PID 1040 wrote to memory of 452 1040 cmd.exe 97 PID 1120 wrote to memory of 1224 1120 test.exe 98 PID 1224 wrote to memory of 2884 1224 cmd.exe 100 PID 1120 wrote to memory of 1084 1120 test.exe 105 - 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
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C:\Users\Admin\AppData\Local\Temp\test.exe"C:\Users\Admin\AppData\Local\Temp\test.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="#N$</:t9/$u;/z" dir=in action=allow program="C:\Windows\System32\xdwdDefender.exe" enable=yes & exit2⤵PID:1992
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\System32\xdwdDefender.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\System32\xdwdDefender.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:452
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\xdwdMalwareDef.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\xdwdMalwareDef.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:2884
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C:\Windows\System32\xdwdDefender.exe"C:\Windows\System32\xdwdDefender.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1084
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C:\Windows\System32\xdwdDefender.exeC:\Windows\System32\xdwdDefender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3948
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C:\Windows\Web\xdwdMalwareDef.exeC:\Windows\Web\xdwdMalwareDef.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4228
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C:\Windows\System32\xdwdDefender.exeC:\Windows\System32\xdwdDefender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4516
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\Windows\xdwd.dll
- Size 136KB
- SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
- MD5 16e5a492c9c6ae34c59683be9c51fa31
- SHA1 97031b41f5c56f371c28ae0d62a2df7d585adaba
- SHA512 20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6
- SSDEEP 3072:t0iX+jLyDcqaH9a6DFHo6MjD7VbZaZaZ8Xwlk4MHWZpt:t07yDSvdoRj2up
- TLSH T151D35B0772A500BFE1668638C5630A09E777B8211770DBAF33A4429D9F277E19D3AF61
- MD5 SHA1 SHA512 SSDEEP TLSH