Overview
overview
6Static
static
3SteamSetup.exe
windows11-21h2-x64
6$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...ss.dll
windows11-21h2-x64
3Steam.exe
windows11-21h2-x64
1bin/SteamService.exe
windows11-21h2-x64
1uninstall.exe
windows11-21h2-x64
4$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...nk.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3Analysis
-
max time kernel
2s -
platform
windows11-21h2_x64 -
resource
win11-20231215-en -
resource tags
arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system -
submitted
12-02-2024 18:31
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win11-20231215-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20231222-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win11-20231215-en
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win11-20231215-en
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win11-20231215-en
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win11-20231215-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20231215-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win11-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20231215-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
Processes:
WerFault.exepid pid_target process target process 2180 3820 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1712 wrote to memory of 3820 1712 rundll32.exe rundll32.exe PID 1712 wrote to memory of 3820 1712 rundll32.exe rundll32.exe PID 1712 wrote to memory of 3820 1712 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:1712 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#12⤵PID:3820
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3820 -s 4483⤵
- Program crash
PID:2180
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3820 -ip 38201⤵PID:1016