Overview
overview
9Static
static
3SteamSetup.exe
windows10-ltsc 2021-x64
7SteamSetup.exe
windows11-21h2-x64
9$PLUGINSDI...ls.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...ss.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...ss.dll
windows11-21h2-x64
3Steam.exe
windows10-ltsc 2021-x64
7Steam.exe
windows11-21h2-x64
3bin/SteamService.exe
windows10-ltsc 2021-x64
1bin/SteamService.exe
windows11-21h2-x64
1uninstall.exe
windows10-ltsc 2021-x64
7uninstall.exe
windows11-21h2-x64
7$PLUGINSDI...LL.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...nk.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...nk.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows10-ltsc 2021-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3Analysis
-
max time kernel
97s -
max time network
138s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
21-11-2024 17:11
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral2
Sample
SteamSetup.exe
Resource
win11-20241023-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11-20241007-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20241007-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20241023-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win11-20241007-en
Behavioral task
behavioral13
Sample
Steam.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral14
Sample
Steam.exe
Resource
win11-20241007-en
Behavioral task
behavioral15
Sample
bin/SteamService.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral16
Sample
bin/SteamService.exe
Resource
win11-20241007-en
Behavioral task
behavioral17
Sample
uninstall.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral18
Sample
uninstall.exe
Resource
win11-20241007-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20241007-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win11-20241023-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20241007-en
General
-
Target
$PLUGINSDIR/LangDLL.dll
-
Size
5KB
-
MD5
0c44f21d4afc81cc99fac7cc35e4503a
-
SHA1
3d0d5c684df99a46510c0e2c0020163a9d11c08d
-
SHA256
8dc2be6679497994e3ddc97bc7bc1ce2b3c17ef3528b03ded6696ef198a11d10
-
SHA512
4e4bd35d6aa21cecbfe7a93a2ee7db8ee78ca710a4193dfe240d1067afbe10f61db332c1c85f6cc3ba404d895a959742401b615ef8ff5bd9028254c4a43a0923
-
SSDEEP
48:S46+/N3TKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mCofjLl:zPuPbOBtWZBV8jAWiAJCdv2CmpL
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4452 2436 WerFault.exe 81 -
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 116 wrote to memory of 2436 116 rundll32.exe 81 PID 116 wrote to memory of 2436 116 rundll32.exe 81 PID 116 wrote to memory of 2436 116 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2436 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 6003⤵
- Program crash
PID:4452
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2436 -ip 24361⤵PID:3408