Analysis
- max time kernel
149s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20251231-en - resource tags
arch:x64arch:x86image:win10v2004-20251231-enlocale:en-usos:windows10-2004-x64system - submitted
09/01/2026, 15:25
Static task
static1
Behavioral task
behavioral1
Sample
59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
Resource
win10v2004-20251231-en
Behavioral task
behavioral2
Sample
59dcfbf61ced41a5f09385cd4a795312a35b5d454064bcf97bb887bbffef8b04.exe
Resource
win11-20251229-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20251231-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11-20251231-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20251231-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20251231-en
General
- Target $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- Sample260109-st4mcagv4e
- SHA256 6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156
- MD5 48f3e7860e1de2b4e63ec744a5e9582a
- SHA1 420c64d802a637c75a53efc8f748e1aede3d6dc6
- SHA512 28716ddea580eeb23d93d1ff6ea0cf79a725e13c8f8a17ec9dfacb1fe29c7981ad84c03aed05663adc52365d63d19ec2f366762d1c685e3a9d93037570c3c583
- SSDEEP 96:oFsvUu3Uy+sytcS8176b+XR8pCHFcMcxSgB5PKtAtgt+Nt+rnt3DVEB3YuNqkzfS:oFsvWyNO81b8pCHFcM0PuAgkOywIFc
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 5080 4232 WerFault.exe 84 - 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 4308 wrote to memory of 4232 4308 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4232 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 6363⤵
- Program crash
PID:5080
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4232 -ip 42321⤵PID:4492