Overview
overview
10Static
static
1SteamSetup.exe
windows11-21h2-x64
10$PLUGINSDI...ls.dll
windows11-21h2-x64
3$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
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max time kernel
147s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
07-12-2024 23:35
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win11-20241007-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20241007-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20241007-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win11-20241007-en
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win11-20241007-en
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win11-20241007-en
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win11-20241007-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20241023-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win11-20241007-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20241007-en
General
-
Target
$PLUGINSDIR/ShellLink.dll
-
Size
15KB
-
MD5
130e29fa7dc68393d3ef12fa5fe876b9
-
SHA1
54d3b821df8f42e26698f0cf99bca5d2e6aa080e
-
SHA256
eae7829a3df5d8d63e16787f7c3d5ae4b82b3b79c2cd7aad9c2532374b6ea522
-
SHA512
56dbae0e1918ed50c99a863304544d5d31925c62d4ebfd7244d67f909c353ee4160b081b43832cf33f1048f998431ba14270600de512dc6c853a17dd524df317
-
SSDEEP
384:Ld7JQGYNyQH38E9VF6IYinAM+oZiDzQ06:LgVMEpYinAMxZqzB6
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3084 3040 WerFault.exe 77 -
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 4852 wrote to memory of 3040 4852 rundll32.exe 77 PID 4852 wrote to memory of 3040 4852 rundll32.exe 77 PID 4852 wrote to memory of 3040 4852 rundll32.exe 77
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellLink.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellLink.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3040 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 4603⤵
- Program crash
PID:3084
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3040 -ip 30401⤵PID:2040