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
142s -
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/nsProcess.dll
-
Size
4KB
-
MD5
f0438a894f3a7e01a4aae8d1b5dd0289
-
SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6
-
SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
-
SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
-
SSDEEP
48:Sz4joMeH+Iwdf8Rom/L+rOnnk5/OCnXeAdbdOAa4GPI+CJ87eILzlq7gthwIsEQW:64c/eFdfS/SSnkxNa4G+ueqPuCtGsj
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3980 2068 WerFault.exe 83 -
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 956 wrote to memory of 2068 956 rundll32.exe 83 PID 956 wrote to memory of 2068 956 rundll32.exe 83 PID 956 wrote to memory of 2068 956 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2068 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 6003⤵
- Program crash
PID:3980
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2068 -ip 20681⤵PID:4820