Analysis
- max time kernel
150s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/08/2026, 19:46
Static task
static1
Behavioral task
behavioral1
Sample
6653a00a517z0ibw.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
6653a00a517z0ibw.exe
Resource
win11ltsc2024-20260709-en
General
- Target 6653a00a517z0ibw.exe
- Size 528KB
- Sample260826-yhbebaak21
- SHA256 0aee38f28772fba89cfd86c6a6af41772573b402eac057b6d9be13e7bd4e2c33
- MD5 f943a8a6163391ef4bcbd88305f9ad70
- SHA1 90e74e7afba23e52d51ad7507d8bbb787af7e9f0
- SHA512 a9de751281c80f8c07b0e60b04de7242cb7ba077588ef910f1cfb29836ae3223c797c21e037d52b00874a2aaf16de60d80798405870e73f5920dc7ec01887931
- SSDEEP 12288:VYXuDfkJr3g9RHQWsK1FJ2aaCLKODjQ3IYO:umHwWs02aPLwr
- TLSH T141B418243FA98A08D1801A7E454E1619D7AAD1F226327307370AEF655D05CDEEE3D3EB
- 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" 6653a00a517z0ibw.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 5808 MalwareDef.exe 4984 Defender.exe 6016 Defender.exe 4128 Defender.exe 2580 Defender.exe - Loads dropped DLL 7 IoCs
pid Process 3388 Process not Found 5220 Process not Found 5808 MalwareDef.exe 4984 Defender.exe 6016 Defender.exe 4128 Defender.exe 2580 Defender.exe - Looks up external IP address via web service 1 TTPs 7 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 api.ipify.org 8 api.ipify.org 9 api.ipify.org 10 api.ipify.org 12 api.ipify.org 14 api.ipify.org 1 api.ipify.org - Drops file in Windows directory 16 IoCs
description ioc Process File created C:\Windows\xdwd.dll 6653a00a517z0ibw.exe File opened for modification C:\Windows\Web\MalwareDef.exe MalwareDef.exe File opened for modification C:\Windows\Web\MalwareDef.exe Defender.exe File created C:\Windows\xdwdSystem32\Defender.exe 6653a00a517z0ibw.exe File opened for modification C:\Windows\Web\MalwareDef.exe 6653a00a517z0ibw.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe Defender.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\xdwdSystem32\Defender.exe MalwareDef.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\xdwdSystem32\Defender.exe 6653a00a517z0ibw.exe File created C:\Windows\Web\MalwareDef.exe 6653a00a517z0ibw.exe File opened for modification C:\Windows\xdwd.dll 6653a00a517z0ibw.exe File opened for modification C:\Windows\xdwdSystem32\Defender.exe Defender.exe File opened for modification C:\Windows\Web\MalwareDef.exe Defender.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 5804 cmd.exe 1632 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 5880 schtasks.exe 2016 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5808 MalwareDef.exe 5808 MalwareDef.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 3412 6653a00a517z0ibw.exe Token: SeDebugPrivilege 5808 MalwareDef.exe Token: SeDebugPrivilege 4984 Defender.exe Token: SeDebugPrivilege 6016 Defender.exe Token: SeIncBasePriorityPrivilege 4984 Defender.exe Token: SeDebugPrivilege 4128 Defender.exe Token: SeDebugPrivilege 2580 Defender.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3412 wrote to memory of 4332 3412 6653a00a517z0ibw.exe 91 PID 3412 wrote to memory of 1632 3412 6653a00a517z0ibw.exe 93 PID 1632 wrote to memory of 5880 1632 cmd.exe 95 PID 3412 wrote to memory of 5804 3412 6653a00a517z0ibw.exe 96 PID 5804 wrote to memory of 2016 5804 cmd.exe 98 PID 3412 wrote to memory of 6016 3412 6653a00a517z0ibw.exe 103 - 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\6653a00a517z0ibw.exe"C:\Users\Admin\AppData\Local\Temp\6653a00a517z0ibw.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="C~%V&pq &%)@&\" dir=in action=allow program="C:\Windows\xdwdSystem32\Defender.exe" enable=yes & exit2⤵PID:4332
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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:1632 -
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:5880
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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:5804 -
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:2016
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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:6016
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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:5808
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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:4984
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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:4128
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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:2580
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 528KB
- SHA256 0aee38f28772fba89cfd86c6a6af41772573b402eac057b6d9be13e7bd4e2c33
- MD5 f943a8a6163391ef4bcbd88305f9ad70
- SHA1 90e74e7afba23e52d51ad7507d8bbb787af7e9f0
- SHA512 a9de751281c80f8c07b0e60b04de7242cb7ba077588ef910f1cfb29836ae3223c797c21e037d52b00874a2aaf16de60d80798405870e73f5920dc7ec01887931
- SSDEEP 12288:VYXuDfkJr3g9RHQWsK1FJ2aaCLKODjQ3IYO:umHwWs02aPLwr
- TLSH T141B418243FA98A08D1801A7E454E1619D7AAD1F226327307370AEF655D05CDEEE3D3EB
- MD5 SHA1 SHA512 SSDEEP TLSH