Overview
overview
8Static
static
3csaudioint...er.exe
windows7-x64
7csaudioint...er.exe
windows10-2004-x64
8$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3drivers/cs...42.sys
windows10-2004-x64
1drivers/cs...of.sys
windows10-2004-x64
1drivers/da...19.sys
windows10-2004-x64
1drivers/dpinst.exe
windows7-x64
4drivers/dpinst.exe
windows10-2004-x64
4drivers/ma...7a.sys
windows10-2004-x64
1drivers/ma...90.sys
windows10-2004-x64
1drivers/na...25.sys
windows10-2004-x64
1drivers/op...ec.sys
windows10-2004-x64
1drivers/rt...11.sys
windows10-2004-x64
1drivers/rt...15.sys
windows10-2004-x64
1drivers/rt...82.sys
windows10-2004-x64
1drivers/rt...2s.sys
windows10-2004-x64
1drivers/sk...us.sys
windows10-2004-x64
1uninstall.exe
windows7-x64
8uninstall.exe
windows10-2004-x64
8$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3utils/csau...er.exe
windows7-x64
1utils/csau...er.exe
windows10-2004-x64
1Analysis
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max time kernel
14s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
13-11-2024 21:47
Static task
static1
Behavioral task
behavioral1
Sample
csaudiointcsof.1.0.4-installer.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
csaudiointcsof.1.0.4-installer.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
drivers/cs42l42/cs42l42.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral6
Sample
drivers/csaudiointcsof/csaudiointcsof.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
drivers/da7219/da7219.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral8
Sample
drivers/dpinst.exe
Resource
win7-20241010-en
Behavioral task
behavioral9
Sample
drivers/dpinst.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral10
Sample
drivers/max98357a/max98357a.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
drivers/max98390/max98390.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral12
Sample
drivers/nau8825/nau8825.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
drivers/opengmaxcodec/opengmaxcodec.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral14
Sample
drivers/rt1011/rt1011.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
drivers/rt1015/rt1015.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral16
Sample
drivers/rt5682/rt5682.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
drivers/rt5682s/rt5682s.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral18
Sample
drivers/sklhdaudbus/sklhdaudbus.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
uninstall.exe
Resource
win7-20241010-en
Behavioral task
behavioral20
Sample
uninstall.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240708-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
utils/csaudioendpointswitcher.exe
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
utils/csaudioendpointswitcher.exe
Resource
win10v2004-20241007-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
cff85c549d536f651d4fb8387f1976f2
-
SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
-
SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
-
SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
-
SSDEEP
192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2956 2508 WerFault.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid Process procid_target PID 1856 wrote to memory of 2508 1856 rundll32.exe 30 PID 1856 wrote to memory of 2508 1856 rundll32.exe 30 PID 1856 wrote to memory of 2508 1856 rundll32.exe 30 PID 1856 wrote to memory of 2508 1856 rundll32.exe 30 PID 1856 wrote to memory of 2508 1856 rundll32.exe 30 PID 1856 wrote to memory of 2508 1856 rundll32.exe 30 PID 1856 wrote to memory of 2508 1856 rundll32.exe 30 PID 2508 wrote to memory of 2956 2508 rundll32.exe 31 PID 2508 wrote to memory of 2956 2508 rundll32.exe 31 PID 2508 wrote to memory of 2956 2508 rundll32.exe 31 PID 2508 wrote to memory of 2956 2508 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 2203⤵
- Program crash
PID:2956
-
-