Overview
overview
6Static
static
3SteamSetup.exe
windows11-21h2-x64
6$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...ss.dll
windows11-21h2-x64
3Steam.exe
windows11-21h2-x64
4bin/SteamService.exe
windows11-21h2-x64
1uninstall.exe
windows11-21h2-x64
4$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...nk.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3Analysis
-
max time kernel
146s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-10-2024 13:49
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win11-20240802-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win11-20240802-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
General
-
Target
$PLUGINSDIR/nsDialogs.dll
-
Size
9KB
-
MD5
0d45588070cf728359055f776af16ec4
-
SHA1
c4375ceb2883dee74632e81addbfa4e8b0c6d84a
-
SHA256
067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
-
SHA512
751ebf4c43f100b41f799d0fbf8db118ea8751df029c1f4c4b0daeb0fef200ddf2e41c1c9c55c2dc94f2c841cf6acb7df355e98a2e5877a7797f0f1d41a7e415
-
SSDEEP
192:ob8cSzvTyl4tgi8pPjQM0PuAg0YNyhIFtSP:mBSzm+t18pZ0WAg0RhIFg
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2012 3320 WerFault.exe 78 -
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 2152 wrote to memory of 3320 2152 rundll32.exe 78 PID 2152 wrote to memory of 3320 2152 rundll32.exe 78 PID 2152 wrote to memory of 3320 2152 rundll32.exe 78
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2152 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3320 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3320 -s 5483⤵
- Program crash
PID:2012
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3320 -ip 33201⤵PID:4764