Overview
overview
6Static
static
3SteamSetup.exe
windows7-x64
6$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows7-x64
3Steam.exe
windows7-x64
3bin/SteamService.exe
windows7-x64
1uninstall.exe
windows7-x64
4$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...nk.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows7-x64
3Analysis
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max time kernel
1563s -
max time network
1564s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-11-2024 17:28
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20241010-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240903-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240903-en
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win7-20240903-en
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240903-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win7-20241023-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20241010-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 2188 2528 WerFault.exe 30 -
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 11 IoCs
description pid Process procid_target PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2528 wrote to memory of 2188 2528 rundll32.exe 31 PID 2528 wrote to memory of 2188 2528 rundll32.exe 31 PID 2528 wrote to memory of 2188 2528 rundll32.exe 31 PID 2528 wrote to memory of 2188 2528 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 2243⤵
- Program crash
PID:2188
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