Overview
overview
5Static
static
1SteamSetup.exe
windows10-2004-x64
4$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3Steam.exe
windows10-2004-x64
5bin/SteamService.exe
windows10-2004-x64
1$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...nk.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
-
max time kernel
300s -
max time network
307s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-es -
resource tags
arch:x64arch:x86image:win10v2004-20240611-eslocale:es-esos:windows10-2004-x64systemwindows -
submitted
16/06/2024, 23:20
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win10v2004-20240508-es
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240508-es
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240611-es
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240611-es
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240611-es
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240508-es
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win10v2004-20240611-es
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win10v2004-20240611-es
Behavioral task
behavioral9
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240508-es
Behavioral task
behavioral10
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10v2004-20240611-es
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240611-es
General
-
Target
$PLUGINSDIR/nsExec.dll
-
Size
17KB
-
MD5
2095af18c696968208315d4328a2b7fe
-
SHA1
b1b0e70c03724b2941e92c5098cc1fc0f2b51568
-
SHA256
3e2399ae5ce16dd69f7e2c71d928cf54a1024afced8155f1fd663a3e123d9226
-
SHA512
60105dfb1cd60b4048bd7b367969f36ed6bd29f92488ba8cfa862e31942fd529cbc58e8b0c738d91d8bef07c5902ce334e36c66eae1bfe104b44a159b5615ae5
-
SSDEEP
384:PbGgezxEqoyGgmkNFNyQH38E9VF6IYinAM+oZhc3iMy8:T31yGLkbMEpYinAMxZAy8
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1288 4588 WerFault.exe 81 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1444 wrote to memory of 4588 1444 rundll32.exe 81 PID 1444 wrote to memory of 4588 1444 rundll32.exe 81 PID 1444 wrote to memory of 4588 1444 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵PID:4588
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 6123⤵
- Program crash
PID:1288
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4588 -ip 45881⤵PID:2184