Overview
overview
7Static
static
3SteamUnloc...up.exe
windows11-21h2-x64
7$PLUGINSDI...dl.dll
windows11-21h2-x64
3$PLUGINSDI...nu.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ls.dll
windows11-21h2-x64
3steamunloc...er.exe
windows11-21h2-x64
6Resubmissions
07/08/2026, 22:54
260807-2v13aadm8v707/08/2026, 22:51
260807-2syt5sdm6v707/08/2026, 22:15
260807-1566lsxtdt7Analysis
- user interaction
yes - max time kernel
90s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
07/08/2026, 22:15
Static task
static1
Behavioral task
behavioral1
Sample
SteamUnlocked-Launcher_0.2.4_x64-setup.exe
Resource
win11-20260513-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
steamunlocked-launcher.exe
Resource
win11-20260513-en
General
- Target $PLUGINSDIR/StartMenu.dll
- Size 7KB
- Sample260807-1566lsxtdt
- SHA256 fe330320459637d8dd2b5d84d07925c38ec264152ffd3b1760a4d44d76536caa
- MD5 b9b71990b37e04a56cadbcbfa694f30f
- SHA1 3b7627deb793446d6b12b7b94266cc592982a5c2
- SHA512 b4aa947aba471ce0ba37ab859391f6a157887c882c920a3081d482f63a83317ae75b428ebae226f835798517abb676114ee42bf13bd4c4291cebbb5e9658f2e5
- SSDEEP 96:VIt3J2Gl0eVe0+Cfo0UkXt6+o69UiGdPh5/utta/x3lkCTcaqHCI:ShE+A0+sF6piUFkA1lncviI
- TLSH T1FFF1C776F3D20673F9AB427428632F231B2AF521576581A7890316CE7A61DE3FD34B11
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 5116 1472 WerFault.exe 80 - 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 6036 wrote to memory of 1472 6036 rundll32.exe 80
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:6036 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1472 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 5123⤵
- Program crash
PID:5116
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1472 -ip 14721⤵PID:2092