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
1Steam.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
118s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29-05-2024 19:57
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
SteamSetup.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240419-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
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
Steam.exe
Resource
win7-20240508-en
Behavioral task
behavioral14
Sample
Steam.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral15
Sample
bin/SteamService.exe
Resource
win7-20240508-en
Behavioral task
behavioral16
Sample
bin/SteamService.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral17
Sample
uninstall.exe
Resource
win7-20231129-en
Behavioral task
behavioral18
Sample
uninstall.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240508-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win7-20240419-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
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 2196 1772 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2008 wrote to memory of 1772 2008 rundll32.exe 28 PID 2008 wrote to memory of 1772 2008 rundll32.exe 28 PID 2008 wrote to memory of 1772 2008 rundll32.exe 28 PID 2008 wrote to memory of 1772 2008 rundll32.exe 28 PID 2008 wrote to memory of 1772 2008 rundll32.exe 28 PID 2008 wrote to memory of 1772 2008 rundll32.exe 28 PID 2008 wrote to memory of 1772 2008 rundll32.exe 28 PID 1772 wrote to memory of 2196 1772 rundll32.exe 29 PID 1772 wrote to memory of 2196 1772 rundll32.exe 29 PID 1772 wrote to memory of 2196 1772 rundll32.exe 29 PID 1772 wrote to memory of 2196 1772 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 2283⤵
- Program crash
PID:2196
-
-