Overview
overview
5Static
static
1SteamSetup.exe
windows7-x64
4SteamSetup.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
Steam.exe
windows10-2004-x64
bin/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
136s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 20:14
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
SteamSetup.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240508-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
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-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
win10v2004-20240426-en
Behavioral task
behavioral13
Sample
Steam.exe
Resource
win7-20240419-en
Behavioral task
behavioral14
Sample
Steam.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral15
Sample
bin/SteamService.exe
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
bin/SteamService.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
uninstall.exe
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
uninstall.exe
Resource
win10v2004-20240226-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
win7-20240508-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231129-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
General
-
Target
$PLUGINSDIR/nsProcess.dll
-
Size
15KB
-
MD5
08072dc900ca0626e8c079b2c5bcfcf3
-
SHA1
35f2bfa0b1b2a65b9475fb91af31f7b02aee4e37
-
SHA256
bb6ce83ddaad4f530a66a1048fac868dfc3b86f5e7b8e240d84d1633e385aee8
-
SHA512
8981da7f225eb78c414e9fb3c63af0c4daae4a78b4f3033df11cce43c3a22fdbf3853425fe3024f68c73d57ffb128cba4d0db63eda1402212d1c7e0ac022353c
-
SSDEEP
192:WUl64IGsjDNyQDbnPvy2sE9jBF6IYiYF8pA5K+oZ7W76OCwy9GUe:5ZsNyQH38E9VF6IYinAM+oZYsBe
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1932 752 WerFault.exe 85 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 64 wrote to memory of 752 64 rundll32.exe 85 PID 64 wrote to memory of 752 64 rundll32.exe 85 PID 64 wrote to memory of 752 64 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:64 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#12⤵PID:752
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 6003⤵
- Program crash
PID:1932
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 752 -ip 7521⤵PID:4424