Analysis
- max time kernel
149s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 05:58
Static task
static1
Behavioral task
behavioral1
Sample
java.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
java.exe
Resource
win11ltsc2024-20260709-en
General
- Target java.exe
- Size 481KB
- Sample260803-gpkswsch64
- SHA256 97e401e1dd553ffd49025a5a665884f8b6e68c46956bd5f8846d4799bbe76b2e
- MD5 85c012c1864a1dac4739c0383b53f568
- SHA1 ad160cef6429618d28b9a6177fb9f1d2a7626f9d
- SHA512 79b633bfb9be6b97bbc3e18c5914423356a7bbb27df0257827f9fe6136abcef916942e2a59c0a58201ef633818627012896dce6f7d748e97c7f1a2d6e76e6181
- SSDEEP 6144:LGm6vpDCS6inBAF4/+w41Om2RAwB723Kr59E7KaMB3pBuerkNEKxQkTh0UJBkqbw:LolBJ+w48ewmJsk+UJKH
- TLSH T1E8A428247F998A08E580253E459E5A19DBDAE1F125326303370AEF620D05DDEDE3D3EB
- 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\\xdwdSystem32\\Defender.exe" java.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.
- Executes dropped EXE 5 IoCs
pid Process 5900 Defender.exe 6044 Defender.exe 2052 MalwareDef.exe 3200 Defender.exe 3680 Defender.exe - Loads dropped DLL 7 IoCs
pid Process 5900 Defender.exe 3684 Process not Found 884 Process not Found 6044 Defender.exe 2052 MalwareDef.exe 3200 Defender.exe 3680 Defender.exe - Looks up external IP address via web service 1 TTPs 9 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 api.ipify.org 1 icanhazip.com 7 api.ipify.org 11 api.ipify.org 43 ipinfo.io 1 ipinfo.io 8 api.ipify.org 10 api.ipify.org 65 api.ipify.org - Drops file in Windows directory 16 IoCs
description ioc Process File opened for modification C:\Windows\Web\MalwareDef.exe Defender.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe MalwareDef.exe File opened for modification C:\Windows\Web\MalwareDef.exe MalwareDef.exe File opened for modification C:\Windows\Web\MalwareDef.exe Defender.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe java.exe File opened for modification C:\Windows\xdwd.dll java.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe Defender.exe File opened for modification C:\Windows\Web\MalwareDef.exe Defender.exe File opened for modification C:\Windows\Web\MalwareDef.exe Defender.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe Defender.exe File opened for modification C:\Windows\Web\MalwareDef.exe java.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe Defender.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe Defender.exe File created C:\Windows\xdwdSystem32\Defender.exe java.exe File created C:\Windows\Web\MalwareDef.exe java.exe File created C:\Windows\xdwd.dll java.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 4856 cmd.exe 4548 cmd.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 4136 schtasks.exe 5588 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2052 MalwareDef.exe 2052 MalwareDef.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 4632 java.exe Token: SeDebugPrivilege 5900 Defender.exe Token: SeDebugPrivilege 6044 Defender.exe Token: SeDebugPrivilege 2052 MalwareDef.exe Token: SeIncBasePriorityPrivilege 5900 Defender.exe Token: SeDebugPrivilege 3200 Defender.exe Token: SeDebugPrivilege 3680 Defender.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4632 wrote to memory of 6124 4632 java.exe 91 PID 4632 wrote to memory of 4856 4632 java.exe 92 PID 4856 wrote to memory of 4136 4856 cmd.exe 95 PID 4632 wrote to memory of 4548 4632 java.exe 96 PID 4548 wrote to memory of 5588 4548 cmd.exe 98 PID 4632 wrote to memory of 5900 4632 java.exe 99 - 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\java.exe"C:\Users\Admin\AppData\Local\Temp\java.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="?!&KhZ:|h&Flha" dir=in action=allow program="C:\Windows\xdwdSystem32\Defender.exe" enable=yes & exit2⤵PID:6124
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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\xdwdSystem32\Defender.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:4136
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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\MalwareDef.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\MalwareDef.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:5588
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C:\Windows\xdwdSystem32\Defender.exe"C:\Windows\xdwdSystem32\Defender.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:5900
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C:\Windows\xdwdSystem32\Defender.exeC:\Windows\xdwdSystem32\Defender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:6044
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C:\Windows\Web\MalwareDef.exeC:\Windows\Web\MalwareDef.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2052
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C:\Windows\xdwdSystem32\Defender.exe"C:\Windows\xdwdSystem32\Defender.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3200
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C:\Windows\xdwdSystem32\Defender.exe"C:\Windows\xdwdSystem32\Defender.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3680
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
- Path C:\Windows\xdwdSystem32\Defender.exe
- Size 481KB
- SHA256 97e401e1dd553ffd49025a5a665884f8b6e68c46956bd5f8846d4799bbe76b2e
- MD5 85c012c1864a1dac4739c0383b53f568
- SHA1 ad160cef6429618d28b9a6177fb9f1d2a7626f9d
- SHA512 79b633bfb9be6b97bbc3e18c5914423356a7bbb27df0257827f9fe6136abcef916942e2a59c0a58201ef633818627012896dce6f7d748e97c7f1a2d6e76e6181
- SSDEEP 6144:LGm6vpDCS6inBAF4/+w41Om2RAwB723Kr59E7KaMB3pBuerkNEKxQkTh0UJBkqbw:LolBJ+w48ewmJsk+UJKH
- TLSH T1E8A428247F998A08E580253E459E5A19DBDAE1F125326303370AEF620D05DDEDE3D3EB
- MD5 SHA1 SHA512 SSDEEP TLSH