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
51s -
max time network
54s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-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
islzma.dll
-
Size
88KB
-
MD5
a3ddc4cd74cc38811ca2ab4c7e51b8f6
-
SHA1
07963ac2321779410262fc65ee79395d3e2463a1
-
SHA256
0b2e19e473a47e10578b05a2f3b43ad96603f3ee1e397c06a280c3b7458a76e2
-
SHA512
baaafbda169958b9855394ffc6063034e73bfe54896a05f5e64fc754d1a72d3a45d55d665c6d71e325c9433116db769bc1913cc83327c6a5394e9d1f3ddefc17
-
SSDEEP
1536:Q8Fao9EFoG9xSbHuBTF+RAspiHrEM3WYltVgRiPWXydWXi/X1:inxSbHuBGlYtVgRm0ydge
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 4792 1964 WerFault.exe 84 -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 3972 wrote to memory of 1964 3972 rundll32.exe 84 PID 3972 wrote to memory of 1964 3972 rundll32.exe 84 PID 3972 wrote to memory of 1964 3972 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\islzma.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3972 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\islzma.dll,#12⤵PID:1964
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 6083⤵
- Program crash
PID:4792
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1964 -ip 19641⤵PID:3484