Overview
overview
7Static
static
3OpenUtau-win-x64.exe
windows10-2004-x64
7OpenUtau-win-x64.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3Accessibility.dll
windows10-2004-x64
1Accessibility.dll
windows11-ltsc_2024-x64
1AsyncIO.dll
windows10-2004-x64
1AsyncIO.dll
windows11-ltsc_2024-x64
1Avalonia.Base.dll
windows10-2004-x64
1Avalonia.Base.dll
windows11-ltsc_2024-x64
1Avalonia.C...er.dll
windows10-2004-x64
1Avalonia.C...er.dll
windows11-ltsc_2024-x64
1Avalonia.C...id.dll
windows10-2004-x64
1Avalonia.C...id.dll
windows11-ltsc_2024-x64
1Avalonia.Controls.dll
windows10-2004-x64
1Avalonia.Controls.dll
windows11-ltsc_2024-x64
1Avalonia.D...rt.dll
windows10-2004-x64
1Avalonia.D...rt.dll
windows11-ltsc_2024-x64
1Avalonia.Desktop.dll
windows10-2004-x64
1Avalonia.Desktop.dll
windows11-ltsc_2024-x64
1Avalonia.Dialogs.dll
windows10-2004-x64
1Avalonia.Dialogs.dll
windows11-ltsc_2024-x64
1Avalonia.F...pi.dll
windows10-2004-x64
1Avalonia.F...pi.dll
windows11-ltsc_2024-x64
1Avalonia.F...op.dll
windows10-2004-x64
1Avalonia.F...op.dll
windows11-ltsc_2024-x64
1Avalonia.HarfBuzz.dll
windows10-2004-x64
1Avalonia.HarfBuzz.dll
windows11-ltsc_2024-x64
1Analysis
- max time kernel
149s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/11/2026, 22:01
Static task
static1
Behavioral task
behavioral1
Sample
OpenUtau-win-x64.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
OpenUtau-win-x64.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
Accessibility.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
Accessibility.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
AsyncIO.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
AsyncIO.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
Avalonia.Base.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
Avalonia.Base.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral15
Sample
Avalonia.Controls.ColorPicker.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral16
Sample
Avalonia.Controls.ColorPicker.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral17
Sample
Avalonia.Controls.DataGrid.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral18
Sample
Avalonia.Controls.DataGrid.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral19
Sample
Avalonia.Controls.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral20
Sample
Avalonia.Controls.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral21
Sample
Avalonia.DesignerSupport.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral22
Sample
Avalonia.DesignerSupport.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral23
Sample
Avalonia.Desktop.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral24
Sample
Avalonia.Desktop.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral25
Sample
Avalonia.Dialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral26
Sample
Avalonia.Dialogs.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral27
Sample
Avalonia.FreeDesktop.AtSpi.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral28
Sample
Avalonia.FreeDesktop.AtSpi.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral29
Sample
Avalonia.FreeDesktop.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral30
Sample
Avalonia.FreeDesktop.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral31
Sample
Avalonia.HarfBuzz.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral32
Sample
Avalonia.HarfBuzz.dll
Resource
win11ltsc2024-20260911-en
General
- Target $PLUGINSDIR/LangDLL.dll
- Size 5KB
- Sample261104-1w72jsf12m
- SHA256 4cf25411f28f639f72156c24b0f66ea42f5aee5973f6c137d901da6ae42d5b7e
- MD5 4b8a750993567ac9a350ba9768fabfa0
- SHA1 7ee7a8c313b292d62561b085c9d490c0f8065624
- SHA512 c2a06e352815a2f5340e8244cf2c5a4a5cd7e7848ea67e454ab207262cb33130008491e83d053c778bea97720f7387de737bf15355db3cd5477b94f3571107bb
- SSDEEP 48:S46+/TTKYKxbWsptIp5tCZ0iVEAWyMEv9v/ft2O2B8mkGofjLl:zxuPbO5tCZBVEAWyMEFv2CmqL
- TLSH T171C1A370B3D248B9D591413778AB33D36612AE746784500FDB6311AA3820AE7AD3EBC2
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 868 2988 WerFault.exe 88 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3700 wrote to memory of 2988 3700 rundll32.exe 88
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2988 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 6003⤵
- Program crash
PID:868
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2988 -ip 29881⤵PID:1788