Overview
overview
8Static
static
3UltraUXThe....1.exe
windows10-2004-x64
$PLUGINSDI...re.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...rd.bmp
windows10-2004-x64
1$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...le.dll
windows10-2004-x64
3$TEMP/image.bmp
windows10-2004-x64
1Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
25/10/2026, 14:03
Static task
static1
Behavioral task
behavioral1
Sample
UltraUXThemePatcher_4.6.1.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/SysRestore.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/modern-wizard.bmp
Resource
win10v2004-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsisFile.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral7
Sample
$TEMP/image.bmp
Resource
win10v2004-20260911-en
General
- Target $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- Sample261025-rc5yeahw8l
- SHA256 715a9b58de0995d1a08384c522ad9af210e2791aaf8e87a6c07bfe72ebfd2cb5
- MD5 cf0351a2ab9128838be6b54cea8238d3
- SHA1 c3b1abb890d92a6058de7c3ac2b2185b2f4fd03c
- SHA512 f1a68557d3825ca879f66c1b6828342528e41b8c746d137c51b85e8f8341dcf69bffc5bab76a498113cb53de3f4502644de8a26adaa27c22fa005ee7186f7785
- SSDEEP 96:oXEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3Y8NqkzfFc:oXEvCu5e81785qHFcU0PuAw0uyWIFc
- TLSH T16012F892E2A454B3C5D6523B35AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3640 4600 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 4744 wrote to memory of 4600 4744 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:4744 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4600 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 6363⤵
- Program crash
PID:3640
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4600 -ip 46001⤵PID:1084