Overview
overview
10Static
static
3ussm_setup.exe
windows10-2004-x64
10$APPDATA/L...er.scr
windows10-2004-x64
1$PLUGINSDI...ol.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...id.dll
windows10-2004-x64
3$SYSDIR/Li...er.scr
windows10-2004-x64
1ISCC.exe
windows10-2004-x64
1ISCmplr.dll
windows10-2004-x64
3ISPP.dll
windows10-2004-x64
3LiveScreensaver.exe
windows10-2004-x64
1LiveScreen...or.exe
windows10-2004-x64
Setup.exe
windows10-2004-x64
1SetupLdr.exe
windows10-2004-x64
1islzma.dll
windows10-2004-x64
3ss.exe
windows10-2004-x64
1ussm.exe
windows10-2004-x64
Analysis
-
max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
17-06-2024 13:31
Static task
static1
Behavioral task
behavioral1
Sample
ussm_setup.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
$APPDATA/Live Screensaver/$SYSDIR/Ultra Screen Saver.scr
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/AccessControl.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsis_appid.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral8
Sample
$SYSDIR/Live Screensaver.scr
Resource
win10v2004-20240611-en
Behavioral task
behavioral9
Sample
ISCC.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral10
Sample
ISCmplr.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
ISPP.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral12
Sample
LiveScreensaver.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
LiveScreensaverCreator.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral14
Sample
Setup.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral15
Sample
SetupLdr.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral16
Sample
islzma.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
ss.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral18
Sample
ussm.exe
Resource
win10v2004-20240508-en
General
-
Target
$PLUGINSDIR/nsDialogs.dll
-
Size
9KB
-
MD5
6c3f8c94d0727894d706940a8a980543
-
SHA1
0d1bcad901be377f38d579aafc0c41c0ef8dcefd
-
SHA256
56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
-
SHA512
2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355
-
SSDEEP
96:o0svUu3Uy+sytcS8176b+XR8pCHFcMcxSgB5PKtAtgt+Nt+rnt3DVEB3YcNqkzfS:o0svWyNO81b8pCHFcM0PuAgkOyuIFc
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 3600 1456 WerFault.exe 92 -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 3580 wrote to memory of 1456 3580 rundll32.exe 92 PID 3580 wrote to memory of 1456 3580 rundll32.exe 92 PID 3580 wrote to memory of 1456 3580 rundll32.exe 92
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3580 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵PID:1456
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 6363⤵
- Program crash
PID:3600
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1456 -ip 14561⤵PID:3564
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2232 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵PID:4784