Overview
overview
10Static
static
3Inject/Louder.exe
windows10-2004-x64
10Inject/Louder.exe
windows11-ltsc_2024-x64
10Inject/Sys...nq.dll
windows10-2004-x64
1Inject/Sys...nq.dll
windows11-ltsc_2024-x64
1Inject/Sys...ol.dll
windows10-2004-x64
1Inject/Sys...ol.dll
windows11-ltsc_2024-x64
1Inject/Sys...ws.dll
windows10-2004-x64
1Inject/Sys...ws.dll
windows11-ltsc_2024-x64
1Inject/Ves...ib.dll
windows10-2004-x64
1Inject/Ves...ib.dll
windows11-ltsc_2024-x64
1Inject/Win...on.dll
windows10-2004-x64
1Inject/Win...on.dll
windows11-ltsc_2024-x64
1Inject/altv amph.dll
windows10-2004-x64
1Inject/altv amph.dll
windows11-ltsc_2024-x64
1Analysis
- max time kernel
58s - max time network
61s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
27/06/2026, 04:14
Static task
static1
Behavioral task
behavioral1
Sample
Inject/Louder.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Inject/Louder.exe
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral3
Sample
Inject/System.Data.SQLite.Linq.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Inject/System.Data.SQLite.Linq.dll
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral5
Sample
Inject/System.Security.AccessControl.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Inject/System.Security.AccessControl.dll
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral7
Sample
Inject/System.Security.Principal.Windows.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
Inject/System.Security.Principal.Windows.dll
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral9
Sample
Inject/Vestris.ResourceLib.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
Inject/Vestris.ResourceLib.dll
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral11
Sample
Inject/WinFormAnimation.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
Inject/WinFormAnimation.dll
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral13
Sample
Inject/altv amph.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
Inject/altv amph.dll
Resource
win11ltsc2024-20260617-en
General
- Target Inject/Louder.exe
- Size 462KB
- Sample260627-ets9qagx4s
- SHA256 c51f7446d749059b4bc67bf9b01576a4992b21457a8a29038c3f325fe97f89f8
- MD5 ed192b7cad6e280cd1bc187307214a13
- SHA1 a001da88228649832db9998732a2a61889c3ef4c
- SHA512 012cdd089ec15bd8ed6d46fdd2d90bb6d99fdd4731600c800d653e7b48f1bb0f16a5a537f7c8a3a69681d5de0c4f5bbb75fe720ed08de2d69626d043e47c96bb
- SSDEEP 6144:+StneXG+TPQN+lqLNGeaWzfifZhAv5XhwL7IJMFjTBWzbSYtYfLOfCBumwbUzAlD:NV2qAy6W6AKdfKKn128
- TLSH T163A43A243FA98E08D580257E455E1A08CBDAD1F1253263033B1AEFA15D459EEDF2D3EB
- 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:\\Users\\Admin\\AppData\\Roaming\\System32\\pr1nt.exe" Louder.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-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation Louder.exe - Executes dropped EXE 4 IoCs
pid Process 4740 pr1nt.exe 4388 pr1nt.exe 4996 xdwdMalwareDef.exe 5004 pr1nt.exe - Loads dropped DLL 10 IoCs
pid Process 4740 pr1nt.exe 3192 Process not Found 2456 Process not Found 4388 pr1nt.exe 4996 xdwdMalwareDef.exe 2796 Process not Found 3288 Process not Found 4500 Process not Found 5004 pr1nt.exe 4328 Process not Found - Looks up external IP address via web service 6 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 api.ipify.org 11 api.ipify.org 13 api.ipify.org 15 api.ipify.org 16 api.ipify.org 28 api.ipify.org - Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\Web\xdwdMalwareDef.exe Louder.exe File opened for modification C:\Windows\Web\xdwdMalwareDef.exe pr1nt.exe File opened for modification C:\Windows\Web\xdwdMalwareDef.exe xdwdMalwareDef.exe File created C:\Windows\Web\xdwdMalwareDef.exe Louder.exe File created C:\Windows\xdwd.dll Louder.exe File opened for modification C:\Windows\xdwd.dll Louder.exe File opened for modification C:\Windows\Web\xdwdMalwareDef.exe pr1nt.exe File opened for modification C:\Windows\Web\xdwdMalwareDef.exe pr1nt.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Louder.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 2544 schtasks.exe 3188 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4740 pr1nt.exe 4740 pr1nt.exe 4388 pr1nt.exe 4388 pr1nt.exe 5004 pr1nt.exe 5004 pr1nt.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2340 Louder.exe Token: SeDebugPrivilege 4740 pr1nt.exe Token: SeDebugPrivilege 4388 pr1nt.exe Token: SeDebugPrivilege 4996 xdwdMalwareDef.exe Token: SeIncBasePriorityPrivilege 4740 pr1nt.exe Token: SeDebugPrivilege 5004 pr1nt.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2340 wrote to memory of 1288 2340 Louder.exe 88 PID 2340 wrote to memory of 4024 2340 Louder.exe 90 PID 4024 wrote to memory of 2544 4024 cmd.exe 92 PID 2340 wrote to memory of 5084 2340 Louder.exe 93 PID 5084 wrote to memory of 3188 5084 cmd.exe 95 PID 2340 wrote to memory of 4740 2340 Louder.exe 97 - 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\Inject\Louder.exe"C:\Users\Admin\AppData\Local\Temp\Inject\Louder.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="a{.K|*qC|.4h|s" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\System32\pr1nt.exe" enable=yes & exit2⤵PID:1288
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Users\Admin\AppData\Roaming\System32\pr1nt.exe" /RL HIGHEST & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Users\Admin\AppData\Roaming\System32\pr1nt.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
PID:2544
-
-
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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⤵
- Suspicious use of WriteProcessMemory
PID:5084 -
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:3188
-
-
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C:\Users\Admin\AppData\Roaming\System32\pr1nt.exe"C:\Users\Admin\AppData\Roaming\System32\pr1nt.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4740
-
-
C:\Users\Admin\AppData\Roaming\System32\pr1nt.exeC:\Users\Admin\AppData\Roaming\System32\pr1nt.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4388
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C:\Windows\Web\xdwdMalwareDef.exeC:\Windows\Web\xdwdMalwareDef.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4996
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C:\Users\Admin\AppData\Roaming\System32\pr1nt.exeC:\Users\Admin\AppData\Roaming\System32\pr1nt.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5004
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\pr1nt.exe.log
- Size 1KB
- SHA256 d049789c187b2f58c900eab10205bc037740dca8640ab40c314790fefaab66ff
- MD5 f26118d675c61402c218ac6794d90a63
- SHA1 ffc8d592f3ca8255ca5119eff5b576eb16ac7fac
- SHA512 6f14b71dae095131053a1b590e60ccec4e14c47c745bf9d52de48988d7b93b1f50bbb6bac0222dc49e3e45def052b20be2d34e116991027718da2e0fb8eb45d0
- TLSH T17411CE723371F1D889163F072C68268417BF4724BA90EE0CB5A8626ED9364275F222F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\System32\pr1nt.exe
- Size 462KB
- SHA256 c51f7446d749059b4bc67bf9b01576a4992b21457a8a29038c3f325fe97f89f8
- MD5 ed192b7cad6e280cd1bc187307214a13
- SHA1 a001da88228649832db9998732a2a61889c3ef4c
- SHA512 012cdd089ec15bd8ed6d46fdd2d90bb6d99fdd4731600c800d653e7b48f1bb0f16a5a537f7c8a3a69681d5de0c4f5bbb75fe720ed08de2d69626d043e47c96bb
- SSDEEP 6144:+StneXG+TPQN+lqLNGeaWzfifZhAv5XhwL7IJMFjTBWzbSYtYfLOfCBumwbUzAlD:NV2qAy6W6AKdfKKn128
- TLSH T163A43A243FA98E08D580257E455E1A08CBDAD1F1253263033B1AEFA15D459EEDF2D3EB
- MD5 SHA1 SHA512 SSDEEP TLSH
- 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