Overview
overview
7Static
static
3New folder...up.exe
windows11-21h2-x64
7$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...ss.dll
windows11-21h2-x64
3Steam.exe
windows11-21h2-x64
4bin/SteamService.exe
windows11-21h2-x64
1uninstall.exe
windows11-21h2-x64
4$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...nk.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3New folder...up.exe
windows11-21h2-x64
1Analysis
-
max time kernel
147s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-11-2024 13:51
Static task
static1
Behavioral task
behavioral1
Sample
New folder/SteamSetup.exe
Resource
win11-20241007-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20241007-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20241007-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win11-20241007-en
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win11-20241007-en
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win11-20241007-en
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win11-20241007-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20241007-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win11-20241023-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20241007-en
Behavioral task
behavioral13
Sample
New folder/SteamtoolsSetup.exe
Resource
win11-20241007-en
General
-
Target
$PLUGINSDIR/nsProcess.dll
-
Size
15KB
-
MD5
08072dc900ca0626e8c079b2c5bcfcf3
-
SHA1
35f2bfa0b1b2a65b9475fb91af31f7b02aee4e37
-
SHA256
bb6ce83ddaad4f530a66a1048fac868dfc3b86f5e7b8e240d84d1633e385aee8
-
SHA512
8981da7f225eb78c414e9fb3c63af0c4daae4a78b4f3033df11cce43c3a22fdbf3853425fe3024f68c73d57ffb128cba4d0db63eda1402212d1c7e0ac022353c
-
SSDEEP
192:WUl64IGsjDNyQDbnPvy2sE9jBF6IYiYF8pA5K+oZ7W76OCwy9GUe:5ZsNyQH38E9VF6IYinAM+oZYsBe
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3120 680 WerFault.exe rundll32.exe -
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.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4744 wrote to memory of 680 4744 rundll32.exe rundll32.exe PID 4744 wrote to memory of 680 4744 rundll32.exe rundll32.exe PID 4744 wrote to memory of 680 4744 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4744 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:680 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 4483⤵
- Program crash
PID:3120
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 680 -ip 6801⤵PID:3948