Overview
overview
5Static
static
1SteamSetup.exe
windows7-x64
4SteamSetup.exe
windows10-2004-x64
4$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3Steam.exe
windows7-x64
5Steam.exe
windows10-2004-x64
3bin/SteamService.exe
windows7-x64
1bin/SteamService.exe
windows10-2004-x64
1uninstall.exe
windows7-x64
4uninstall.exe
windows10-2004-x64
4$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...nk.dll
windows7-x64
3$PLUGINSDI...nk.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
-
max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-09-2024 07:23
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
SteamSetup.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240729-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
Steam.exe
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
Steam.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
bin/SteamService.exe
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
bin/SteamService.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
uninstall.exe
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
uninstall.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
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 2632 2664 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 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1600 wrote to memory of 2664 1600 rundll32.exe rundll32.exe PID 1600 wrote to memory of 2664 1600 rundll32.exe rundll32.exe PID 1600 wrote to memory of 2664 1600 rundll32.exe rundll32.exe PID 1600 wrote to memory of 2664 1600 rundll32.exe rundll32.exe PID 1600 wrote to memory of 2664 1600 rundll32.exe rundll32.exe PID 1600 wrote to memory of 2664 1600 rundll32.exe rundll32.exe PID 1600 wrote to memory of 2664 1600 rundll32.exe rundll32.exe PID 2664 wrote to memory of 2632 2664 rundll32.exe WerFault.exe PID 2664 wrote to memory of 2632 2664 rundll32.exe WerFault.exe PID 2664 wrote to memory of 2632 2664 rundll32.exe WerFault.exe PID 2664 wrote to memory of 2632 2664 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 2243⤵
- Program crash
PID:2632
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-