Overview
overview
6Static
static
1SteamSetup.exe
windows10-2004-x64
6$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3Steam.exe
windows10-2004-x64
5bin/SteamService.exe
windows10-2004-x64
1uninstall.exe
windows10-2004-x64
4$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...nk.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
-
max time kernel
1697s -
max time network
1168s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-de -
resource tags
arch:x64arch:x86image:win10v2004-20240426-delocale:de-deos:windows10-2004-x64systemwindows -
submitted
03-05-2024 16:22
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win10v2004-20240419-de
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240419-de
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240426-de
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240419-de
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240226-de
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240426-de
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win10v2004-20240419-de
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win10v2004-20240419-de
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win10v2004-20240419-de
Behavioral task
behavioral10
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240426-de
Behavioral task
behavioral11
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10v2004-20240426-de
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240426-de
General
-
Target
$PLUGINSDIR/System.dll
-
Size
22KB
-
MD5
a36fbe922ffac9cd85a845d7a813f391
-
SHA1
f656a613a723cc1b449034d73551b4fcdf0dcf1a
-
SHA256
fa367ae36bfbe7c989c24c7abbb13482fc20bc35e7812dc377aa1c281ee14cc0
-
SHA512
1d1b95a285536ddc2a89a9b3be4bb5151b1d4c018ea8e521de838498f62e8f29bb7b3b0250df73e327e8e65e2c80b4a2d9a781276bf2a51d10e7099bacb2e50b
-
SSDEEP
384:V8QIl975eXqlWBrz7YLOlE/NyQH38E9VF6IYinAM+oZ5a1TN:VgPgrfYLO+rMEpYinAMxZG
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2180 1620 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 2816 wrote to memory of 1620 2816 rundll32.exe rundll32.exe PID 2816 wrote to memory of 1620 2816 rundll32.exe rundll32.exe PID 2816 wrote to memory of 1620 2816 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 6123⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1620 -ip 16201⤵