Overview
overview
7Static
static
1SteamSetup.exe
windows10-2004-x64
7$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3Steam.exe
windows10-2004-x64
3bin/SteamService.exe
windows10-2004-x64
1$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...nk.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
- max time kernel
33s - max time network
35s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
06/11/2024, 16:06
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
General
- Target $PLUGINSDIR/nsProcess.dll
- Size 15KB
- Sample241106-tj5bkasmct
- SHA256 bb6ce83ddaad4f530a66a1048fac868dfc3b86f5e7b8e240d84d1633e385aee8
- MD5 08072dc900ca0626e8c079b2c5bcfcf3
- SHA1 35f2bfa0b1b2a65b9475fb91af31f7b02aee4e37
- SHA512 8981da7f225eb78c414e9fb3c63af0c4daae4a78b4f3033df11cce43c3a22fdbf3853425fe3024f68c73d57ffb128cba4d0db63eda1402212d1c7e0ac022353c
- SSDEEP 192:WUl64IGsjDNyQDbnPvy2sE9jBF6IYiYF8pA5K+oZ7W76OCwy9GUe:5ZsNyQH38E9VF6IYinAM+oZYsBe
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 864 4412 WerFault.exe 84 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4180 wrote to memory of 4412 4180 rundll32.exe 84 PID 4180 wrote to memory of 4412 4180 rundll32.exe 84 PID 4180 wrote to memory of 4412 4180 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4412 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 6003⤵
- Program crash
PID:864
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4412 -ip 44121⤵PID:8