789dfc020cc7dda48b64edf0bd1f146ff8531883429c972dfff7111e383eb64b

Analysis

max time kernel
13s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/10/2026, 19:55

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General

Target
dihwznbu32mudao4.exe
Size 842KB
Sample261002-ynbbhassew
SHA256 789dfc020cc7dda48b64edf0bd1f146ff8531883429c972dfff7111e383eb64b
MD5 9b808e3a289bc43454d59ae6caa59015
SHA1 cfaeb92b77074ac2f932faac46693e5362a43eac
SHA512 9fab6567eb9c6dc60b9771a7e574114df3ddd0e5d5c32733768f5655c11177b2f0f0f2de41d97e05e53288a2d0c0b19dbefd24d6449ad2f6f880db3ce281d474
SSDEEP 12288:LCV95V9BsjPjsU8cHF+XWTOvyNX13U521JNT:IOPNteaOvy91vF
TLSH
T11705D6247B949E01E5401A3E92BE2618D73260F32313AB47371AF7654D44AFEED6C3DA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution persistence privilege_escalation

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Windows\\xdwd_Microsoft67"	dihwznbu32mudao4.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000\Software\Microsoft\Active Setup\Installed Components	explorer.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.
persistence privilege_escalation

AppInit DLLs
T1546.010

Loads dropped DLL 4 IoCs

pid	Process
256	Process not Found
4136	taskkill.exe
5748	timeout.exe
980	explorer.exe

Looks up external IP address via web service 1 TTPs 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
1	api.ipify.org
1	icanhazip.com
7	api.ipify.org
12	api.ipify.org

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\xdwd_Microsoft67	dihwznbu32mudao4.exe
File created	C:\Windows\xdwd.dll	dihwznbu32mudao4.exe
File opened for modification	C:\Windows\xdwd.dll	dihwznbu32mudao4.exe
File created	C:\Windows\xdwd_Microsoft67	dihwznbu32mudao4.exe

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.

execution

Windows Command Shell

T1059.003

pid	Process
1424	cmd.exe
260	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	dihwznbu32mudao4.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	dihwznbu32mudao4.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5748	timeout.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
4136	taskkill.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-696679853-3915825385-3233721679-1000\{3A00DEF8-48C2-4D9C-AA64-5BE37C52F763}	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000_Classes\Local Settings	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4116	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1096	dihwznbu32mudao4.exe
1096	dihwznbu32mudao4.exe
4136	taskkill.exe
4136	taskkill.exe
5748	timeout.exe
5748	timeout.exe
980	explorer.exe
980	explorer.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	dihwznbu32mudao4.exe
Token: SeDebugPrivilege	4136	taskkill.exe
Token: SeShutdownPrivilege	980	explorer.exe
Token: SeCreatePagefilePrivilege	980	explorer.exe
Token: SeShutdownPrivilege	980	explorer.exe
Token: SeCreatePagefilePrivilege	980	explorer.exe
Token: SeShutdownPrivilege	980	explorer.exe
Token: SeCreatePagefilePrivilege	980	explorer.exe
Token: SeShutdownPrivilege	980	explorer.exe
Token: SeCreatePagefilePrivilege	980	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
980	explorer.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 936	1096	dihwznbu32mudao4.exe	91
PID 1096 wrote to memory of 1424	1096	dihwznbu32mudao4.exe	92
PID 1424 wrote to memory of 4116	1424	cmd.exe	95
PID 1096 wrote to memory of 260	1096	dihwznbu32mudao4.exe	96
PID 260 wrote to memory of 4136	260	cmd.exe	98
PID 260 wrote to memory of 5748	260	cmd.exe	99
PID 260 wrote to memory of 980	260	cmd.exe	100

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\dihwznbu32mudao4.exe
"C:\Users\Admin\AppData\Local\Temp\dihwznbu32mudao4.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\SYSTEM32\CMD.exe
  "CMD" netsh advfirewall firewall add rule name="b"hD\UIz\htM\F" dir=in action=allow program="C:\Windows\xdwd_Microsoft67" enable=yes & exit
  2⤵
  PID:936
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\xdwd_Microsoft67" /RL HIGHEST & exit
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:1424
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\xdwd_Microsoft67" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4116
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /C taskkill /im explorer.exe /f > NUL 2>&1 && timeout /t 3 /nobreak > NUL && start explorer.exe
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:260
- - C:\Windows\system32\taskkill.exe
    taskkill /im explorer.exe /f
    3⤵
    - Loads dropped DLL
    - Kills process with taskkill
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4136
- - C:\Windows\system32\timeout.exe
    timeout /t 3 /nobreak
    3⤵
    - Loads dropped DLL
    - Delays execution with timeout.exe
    - Suspicious behavior: EnumeratesProcesses
    PID:5748
- - C:\Windows\explorer.exe
    explorer.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Loads dropped DLL
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:980

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:2828

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
1⤵
PID:5300

C:\Windows\xdwd_Microsoft67
"C:\Windows\xdwd_Microsoft67"
1⤵
PID:5748

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

prep_Activatable Class_Hermes_perf.cache

Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
Size 591B
SHA256 dc216c11d6381abdcb6a4b927fd9ea68d336ff63c88639e4a242acf037f90c68
MD5 03c08670d283322f0e61ee3d5dcb7bad
SHA1 c82040e59df0159f5cc0fd8cc795d4b73c1bf5e2
SHA512 173493c828071e601a1d823c4c0f325c638aec3166c071a8b39dbb7ce57d84903415b051a5effc6bdd5ea4d2f9dcf8471bcb380a37133ede15ab2017cb2b1986
TLSH
T19BF09707E7A55221C0222638888116F02B25D5D68ECB227381016B5E7EB33002B008B4
MD5 SHA1 SHA512 TLSH

Submit Download

prep_Activatable Class_Hermes_perf.cache

Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
Size 599B
SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
MD5 658ab8c32d4cc5deb36ac5f63da4658b
SHA1 30c12cd871ff0c2c4098d794e9ae4f2540586813
SHA512 a73030c008ef3c2e274f11c90bfe79fa8ae402f76801c710bed8cc1ab1218a84858ea566b772be4bade8ef639a019c57d297028df15b64b3753482cf0f3c8f85
TLSH
T12AF05C83EB6A1B72C456123DC8EE56E47B31D1846EC11367A2107B1D3C2B7192D174BD
MD5 SHA1 SHA512 TLSH

Submit Download

xdwd.dll

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

Submit Download

xdwd_Microsoft67

Path C:\Windows\xdwd_Microsoft67
Size 842KB
SHA256 789dfc020cc7dda48b64edf0bd1f146ff8531883429c972dfff7111e383eb64b
MD5 9b808e3a289bc43454d59ae6caa59015
SHA1 cfaeb92b77074ac2f932faac46693e5362a43eac
SHA512 9fab6567eb9c6dc60b9771a7e574114df3ddd0e5d5c32733768f5655c11177b2f0f0f2de41d97e05e53288a2d0c0b19dbefd24d6449ad2f6f880db3ce281d474
SSDEEP 12288:LCV95V9BsjPjsU8cHF+XWTOvyNX13U521JNT:IOPNteaOvy91vF
TLSH
T11705D6247B949E01E5401A3E92BE2618D73260F32313AB47371AF7654D44AFEED6C3DA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1096-8-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp

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memory/1096-5-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp

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memory/1096-6-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp

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memory/1096-7-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp

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memory/1096-4-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp

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memory/1096-3-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp

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memory/1096-2-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp

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memory/1096-166-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp

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memory/1096-43-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp

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memory/1096-0-0x000001B5AAF20000-0x000001B5AAFF4000-memory.dmp

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memory/1096-1-0x00007FFA637CF000-0x00007FFA637D0000-memory.dmp

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memory/2828-239-0x000001DA94930000-0x000001DA94BCE000-memory.dmp

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memory/4136-42-0x00007FFA864A0000-0x00007FFA86703000-memory.dmp

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memory/4136-41-0x00007FFA864A0000-0x00007FFA86703000-memory.dmp

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memory/4136-40-0x00007FFA865FF000-0x00007FFA86600000-memory.dmp

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memory/5300-67-0x00000156001E0000-0x00000156002E0000-memory.dmp

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memory/5300-111-0x0000015614190000-0x00000156141B0000-memory.dmp

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memory/5300-90-0x0000015603CF0000-0x0000015603D10000-memory.dmp

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memory/5300-79-0x0000015603930000-0x0000015603950000-memory.dmp

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memory/5300-66-0x00000156001E0000-0x00000156002E0000-memory.dmp

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memory/5300-65-0x00000156001E0000-0x00000156002E0000-memory.dmp

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memory/5300-80-0x0000015613E00000-0x0000015613F00000-memory.dmp

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memory/5300-240-0x0000015E211E0000-0x0000015E2147E000-memory.dmp

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memory/5748-241-0x000001C868490000-0x000001C8684BE000-memory.dmp

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