Analysis
- max time kernel
149s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
05/02/2026, 15:10
Behavioral task
behavioral1
Sample
f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.exe
Resource
win10v2004-20260129-en
Behavioral task
behavioral2
Sample
f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.exe
Resource
win11-20260130-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260130-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20260130-en
General
- Target $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- Sample260205-sj92dahs9f
- SHA256 8d4b1c275fd1cd0782a265080b56d1aec8d1c93edca5ef3b050d1d20d7b61f33
- MD5 6e64e5d5f9498058a300b26b8741d9d5
- SHA1 837ce28e5e02788da63a7f1d8f20207d2b0bf523
- SHA512 f53514d36021d79f85df2494d403f03589b3ad848889b9224f962cc932ef740f127131a914c7171ad8136ca1ef631285ea1c80576db18ccf8ea56940eb00ea1e
- SSDEEP 96:oWW4JlD3c151V1gQoE8cxM2DjDf3GEst+Nt+jvcx4P8qndYv0PLE:oWp3ggQF8REskpx8dO0PLE
- TLSH T1D11209135A4455B3C9E7223A31AA2F2ECB3CA324A0627D02C777DE162BB42166D3E355
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1528 4644 WerFault.exe 79 - 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 4424 wrote to memory of 4644 4424 rundll32.exe 79
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4644 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 5483⤵
- Program crash
PID:1528
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4644 -ip 46441⤵PID:3644