Overview
overview
6Static
static
3SteamSetup.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
118s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
12-02-2024 20:19
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
SteamSetup.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
Steam.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
Steam.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
bin/SteamService.exe
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
bin/SteamService.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
uninstall.exe
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
uninstall.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20231215-en
General
-
Target
$PLUGINSDIR/nsDialogs.dll
-
Size
9KB
-
MD5
0d45588070cf728359055f776af16ec4
-
SHA1
c4375ceb2883dee74632e81addbfa4e8b0c6d84a
-
SHA256
067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
-
SHA512
751ebf4c43f100b41f799d0fbf8db118ea8751df029c1f4c4b0daeb0fef200ddf2e41c1c9c55c2dc94f2c841cf6acb7df355e98a2e5877a7797f0f1d41a7e415
-
SSDEEP
192:ob8cSzvTyl4tgi8pPjQM0PuAg0YNyhIFtSP:mBSzm+t18pZ0WAg0RhIFg
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2132 2480 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2408 wrote to memory of 2480 2408 rundll32.exe rundll32.exe PID 2408 wrote to memory of 2480 2408 rundll32.exe rundll32.exe PID 2408 wrote to memory of 2480 2408 rundll32.exe rundll32.exe PID 2408 wrote to memory of 2480 2408 rundll32.exe rundll32.exe PID 2408 wrote to memory of 2480 2408 rundll32.exe rundll32.exe PID 2408 wrote to memory of 2480 2408 rundll32.exe rundll32.exe PID 2408 wrote to memory of 2480 2408 rundll32.exe rundll32.exe PID 2480 wrote to memory of 2132 2480 rundll32.exe WerFault.exe PID 2480 wrote to memory of 2132 2480 rundll32.exe WerFault.exe PID 2480 wrote to memory of 2132 2480 rundll32.exe WerFault.exe PID 2480 wrote to memory of 2132 2480 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 2483⤵
- Program crash
PID:2132