Overview
overview
6Static
static
1SteamSetup.exe
windows7-x64
6SteamSetup.exe
windows10-2004-x64
4$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3Steam.exe
windows7-x64
5Steam.exe
windows10-2004-x64
5bin/SteamService.exe
windows7-x64
1bin/SteamService.exe
windows10-2004-x64
1uninstall.exe
windows7-x64
4uninstall.exe
windows10-2004-x64
4$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...nk.dll
windows7-x64
3$PLUGINSDI...nk.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 19:15
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
SteamSetup.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
Steam.exe
Resource
win7-20240215-en
Behavioral task
behavioral14
Sample
Steam.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
bin/SteamService.exe
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
bin/SteamService.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
uninstall.exe
Resource
win7-20240508-en
Behavioral task
behavioral18
Sample
uninstall.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240508-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
General
-
Target
$PLUGINSDIR/StdUtils.dll
-
Size
110KB
-
MD5
db11ab4828b429a987e7682e495c1810
-
SHA1
29c2c2069c4975c90789dc6d3677b4b650196561
-
SHA256
c602c44a4d4088dbf5a659f36ba1c3a9d81f8367577de0cb940c0b8afee5c376
-
SHA512
460d1ccfc0d7180eae4e6f1a326d175fec78a7d6014447a9a79b6df501fa05cd4bd90f8f7a85b7b6a4610e2fa7059e30ae6e17bc828d370e5750de9b40b9ae88
-
SSDEEP
1536:cyy+HcFWrX52XWcS15c4DBVOw/bEQvWt6uouMw5m0mhdBu4NpBTvO7Fvo6mVS6oz:fy+8ozImcSNd1YHbMbCk/S
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3380 3892 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3000 wrote to memory of 3892 3000 rundll32.exe rundll32.exe PID 3000 wrote to memory of 3892 3000 rundll32.exe rundll32.exe PID 3000 wrote to memory of 3892 3000 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#12⤵PID:3892
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 6163⤵
- Program crash
PID:3380
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3892 -ip 38921⤵PID:3916