Overview
overview
6Static
static
1SteamSetup.exe
windows10-1703-x64
6$PLUGINSDI...ls.dll
windows10-1703-x64
3$PLUGINSDI...em.dll
windows10-1703-x64
3$PLUGINSDI...gs.dll
windows10-1703-x64
3$PLUGINSDI...ec.dll
windows10-1703-x64
3$PLUGINSDI...ss.dll
windows10-1703-x64
3Steam.exe
windows10-1703-x64
5bin/SteamService.exe
windows10-1703-x64
1uninstall.exe
windows10-1703-x64
4$PLUGINSDI...LL.dll
windows10-1703-x64
3$PLUGINSDI...nk.dll
windows10-1703-x64
3$PLUGINSDI...ec.dll
windows10-1703-x64
3Analysis
-
max time kernel
133s -
max time network
138s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
03-09-2024 23:38
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10-20240611-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10-20240404-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10-20240404-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10-20240404-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10-20240404-en
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win10-20240404-en
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win10-20240404-en
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win10-20240404-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10-20240404-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10-20240404-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10-20240404-en
General
-
Target
$PLUGINSDIR/nsDialogs.dll
-
Size
20KB
-
MD5
4e5bc4458afa770636f2806ee0a1e999
-
SHA1
76dcc64af867526f776ab9225e7f4fe076487765
-
SHA256
91a484dc79be64dd11bf5acb62c893e57505fcd8809483aa92b04f10d81f9de0
-
SHA512
b6f529073a943bddbcb30a57d62216c78fcc9a09424b51ac0824ebfb9cac6cae4211bda26522d6923bd228f244ed8c41656c38284c71867f65d425727dd70162
-
SSDEEP
384:ABSzm+t18pZ0WAg0RhIFgnGNyQH38E9VF6IYinAM+oZfNRoZk:NupZ/Ag0/T8MEpYinAMxZ7oW
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1280 1068 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 3404 wrote to memory of 1068 3404 rundll32.exe rundll32.exe PID 3404 wrote to memory of 1068 3404 rundll32.exe rundll32.exe PID 3404 wrote to memory of 1068 3404 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3404 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1068 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 6443⤵
- Program crash
PID:1280
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