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Overview
overview
6Static
static
3EzExtractSetup.exe
windows11-21h2-x64
5$PLUGINSDIR/INetC.dll
windows11-21h2-x64
3$PLUGINSDI...in.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...st.exe
windows11-21h2-x64
6$PLUGINSDI...em.dll
windows11-21h2-x64
3GoogleUpdateSetup.exe
windows11-21h2-x64
4$PLUGINSDI...gs.dll
windows11-21h2-x64
3EzExtractP...ll.dll
windows11-21h2-x64
1EzExtractProShell.dll
windows11-21h2-x64
5EzExtractP...32.dll
windows11-21h2-x64
3Analysis
-
max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
07/08/2024, 13:07
Static task
static1
Behavioral task
behavioral1
Sample
EzExtractSetup.exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/INetC.dll
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/NsisPlugin.dll
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/gcinst.exe
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
GoogleUpdateSetup.exe
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
EzExtractProCoreDll.dll
Resource
win11-20240802-en
Behavioral task
behavioral10
Sample
EzExtractProShell.dll
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
EzExtractProShell32.dll
Resource
win11-20240802-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
11KB
-
MD5
fbe295e5a1acfbd0a6271898f885fe6a
-
SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da
-
SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
-
SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06
-
SSDEEP
192:yPtkiQJr7V9r3Ftr87NfwXQ6whlgi62V7i77blbTc4DI:N7Vxr8IgLgi3sVc4
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2452 4984 WerFault.exe 81 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2608 wrote to memory of 4984 2608 rundll32.exe 81 PID 2608 wrote to memory of 4984 2608 rundll32.exe 81 PID 2608 wrote to memory of 4984 2608 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4984 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 4603⤵
- Program crash
PID:2452
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4984 -ip 49841⤵PID:3216