Overview
overview
9Static
static
3SteamSetup.exe
windows10-ltsc 2021-x64
7SteamSetup.exe
windows11-21h2-x64
9$PLUGINSDI...ls.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...ss.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...ss.dll
windows11-21h2-x64
3Steam.exe
windows10-ltsc 2021-x64
7Steam.exe
windows11-21h2-x64
3bin/SteamService.exe
windows10-ltsc 2021-x64
1bin/SteamService.exe
windows11-21h2-x64
1uninstall.exe
windows10-ltsc 2021-x64
7uninstall.exe
windows11-21h2-x64
7$PLUGINSDI...LL.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...nk.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...nk.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3Analysis
-
max time kernel
98s -
max time network
145s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
21-11-2024 17:11
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral2
Sample
SteamSetup.exe
Resource
win11-20241023-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11-20241007-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20241007-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20241023-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win11-20241007-en
Behavioral task
behavioral13
Sample
Steam.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral14
Sample
Steam.exe
Resource
win11-20241007-en
Behavioral task
behavioral15
Sample
bin/SteamService.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral16
Sample
bin/SteamService.exe
Resource
win11-20241007-en
Behavioral task
behavioral17
Sample
uninstall.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral18
Sample
uninstall.exe
Resource
win11-20241007-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20241007-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win11-20241023-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20241007-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
11KB
-
MD5
a4dd044bcd94e9b3370ccf095b31f896
-
SHA1
17c78201323ab2095bc53184aa8267c9187d5173
-
SHA256
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
-
SHA512
87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
-
SSDEEP
192:em24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlESl:m8QIl975eXqlWBrz7YLOlE
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3052 2680 WerFault.exe 81 -
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 3 IoCs
description pid Process procid_target PID 4020 wrote to memory of 2680 4020 rundll32.exe 81 PID 4020 wrote to memory of 2680 4020 rundll32.exe 81 PID 4020 wrote to memory of 2680 4020 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4020 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2680 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 6123⤵
- Program crash
PID:3052
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2680 -ip 26801⤵PID:2992