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
11s - max time network
12s - 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/LangDLL.dll
- Size 16KB
- Sample241106-tj5bkasmct
- SHA256 4fca692a36f0c99e26b5bc7ef9db5269d2c1e21288184953898130fea9b1c4fc
- MD5 46ba3881f8b27f54a8d92d600e61ee7b
- SHA1 15933b6ece85a6d45fd78ae499b445a3bc6d2d05
- SHA512 6f64d3cb4634ed51710f578667b92a429aa871a0a141092df3cf7e0134a0b145f802f91126f1ce43ddb4b9d6cc6fb875c9acec22eab0cec86a72dd916e1f9eb3
- SSDEEP 384:kTrZBV86AQINyQH38E9VF6IYinAM+oZtfpMVK:kXZL86A1MEpYinAMxZ5aK
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3344 2668 WerFault.exe 83 - 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 3816 wrote to memory of 2668 3816 rundll32.exe 83 PID 3816 wrote to memory of 2668 3816 rundll32.exe 83 PID 3816 wrote to memory of 2668 3816 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3816 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2668 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 6003⤵
- Program crash
PID:3344
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2668 -ip 26681⤵PID:4900