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
30s -
max time network
142s -
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/ShellLink.dll
-
Size
4KB
-
MD5
d62d3e349689811f838dd10fb216eba1
-
SHA1
edcafd517860cb6b4bd299e20b17ad74a6fa2a5d
-
SHA256
5d103419245e2a5f124a96cace25d6836b2398edc0aa3919829b0fd6ad8b5d6a
-
SHA512
fc7d5826cb9f85068ea702f007920bf7ae63758d13c48761e83cc9e8ac06b231f40e17a9f3340d60d874ad2cf6e0991eb98a52cf893ab785489e0cdbbf294f88
-
SSDEEP
96:fQW7e3a0JF5jdrORE6C4tb+X+bzYz3Cl6nfkfLGpRO:4687JQCdiaR
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1336 3740 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 4148 wrote to memory of 3740 4148 rundll32.exe 78 PID 4148 wrote to memory of 3740 4148 rundll32.exe 78 PID 4148 wrote to memory of 3740 4148 rundll32.exe 78
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellLink.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellLink.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3740 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 4603⤵
- Program crash
PID:1336
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3740 -ip 37401⤵PID:840