Overview
overview
7Static
static
3NShutClt.exe
windows7-x64
7NShutClt.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows7-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3NShutClt/BaseRun.dll
windows7-x64
3NShutClt/BaseRun.dll
windows10-2004-x64
3NShutClt/M...gr.dll
windows7-x64
3NShutClt/M...gr.dll
windows10-2004-x64
3NShutClt/NShutClt.exe
windows7-x64
3NShutClt/NShutClt.exe
windows10-2004-x64
3NShutClt/N...oc.dll
windows7-x64
3NShutClt/N...oc.dll
windows10-2004-x64
3NShutClt/N...gr.dll
windows7-x64
3NShutClt/N...gr.dll
windows10-2004-x64
3NShutClt/S...gr.dll
windows7-x64
3NShutClt/S...gr.dll
windows10-2004-x64
3NShutClt/Task.dll
windows7-x64
3NShutClt/Task.dll
windows10-2004-x64
3NShutClt/Y...nw.sys
windows7-x64
1NShutClt/Y...nw.sys
windows10-2004-x64
1NShutClt/YtUpAst.exe
windows7-x64
3NShutClt/YtUpAst.exe
windows10-2004-x64
3NShutClt/i...se.dll
windows7-x64
1NShutClt/i...se.dll
windows10-2004-x64
1NShutClt/i...se.dll
windows7-x64
1NShutClt/i...se.dll
windows10-2004-x64
1NShutClt/mfc90.dll
windows7-x64
3NShutClt/mfc90.dll
windows10-2004-x64
3NShutClt/msvcp90.dll
windows7-x64
3NShutClt/msvcp90.dll
windows10-2004-x64
3Analysis
-
max time kernel
138s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23/08/2024, 09:59
Static task
static1
Behavioral task
behavioral1
Sample
NShutClt.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
NShutClt.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win7-20240729-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
NShutClt/BaseRun.dll
Resource
win7-20240704-en
Behavioral task
behavioral8
Sample
NShutClt/BaseRun.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
NShutClt/MsgBlkMgr.dll
Resource
win7-20240705-en
Behavioral task
behavioral10
Sample
NShutClt/MsgBlkMgr.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
NShutClt/NShutClt.exe
Resource
win7-20240705-en
Behavioral task
behavioral12
Sample
NShutClt/NShutClt.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
NShutClt/NShutProc.dll
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
NShutClt/NShutProc.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
NShutClt/NsdDrvMgr.dll
Resource
win7-20240708-en
Behavioral task
behavioral16
Sample
NShutClt/NsdDrvMgr.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
NShutClt/SysInfoMgr.dll
Resource
win7-20240705-en
Behavioral task
behavioral18
Sample
NShutClt/SysInfoMgr.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
NShutClt/Task.dll
Resource
win7-20240704-en
Behavioral task
behavioral20
Sample
NShutClt/Task.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
NShutClt/YtNShtDnw.sys
Resource
win7-20240729-en
Behavioral task
behavioral22
Sample
NShutClt/YtNShtDnw.sys
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
NShutClt/YtUpAst.exe
Resource
win7-20240708-en
Behavioral task
behavioral24
Sample
NShutClt/YtUpAst.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
NShutClt/import/abase.dll
Resource
win7-20240705-en
Behavioral task
behavioral26
Sample
NShutClt/import/abase.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
NShutClt/import/dbase.dll
Resource
win7-20240704-en
Behavioral task
behavioral28
Sample
NShutClt/import/dbase.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
NShutClt/mfc90.dll
Resource
win7-20240704-en
Behavioral task
behavioral30
Sample
NShutClt/mfc90.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
NShutClt/msvcp90.dll
Resource
win7-20240708-en
Behavioral task
behavioral32
Sample
NShutClt/msvcp90.dll
Resource
win10v2004-20240802-en
General
-
Target
NShutClt/Task.dll
-
Size
86KB
-
MD5
a0c560109ce8e33e1be1c17f9e330333
-
SHA1
734b89ae7ff4ac33b80939e4fdd769df69146ec4
-
SHA256
96e16cd051ebf252f141b57101f52cae76ec4067030fb6b48dcfc1d06b5ce01c
-
SHA512
3ebd4d6b0c6d6847c8bf2487bf871ea93738abad37e6aed0704814bd505daaa00ac1742bbc9f95ada3504c0a4d3bcb2e23e0b359504b338918a04bb622ea239b
-
SSDEEP
1536:niptvOx2vcNxLjpY8wZJkHlgn9r5ml5BVt7+rvHr:nigNx0Zqg9du5Bj+rvH
Malware Config
Signatures
-
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 regsvr32.exe -
Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9A2489C-6BBB-4B19-A194-CD5316C6729B}\ = "Task Task" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9A2489C-6BBB-4B19-A194-CD5316C6729B}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9A2489C-6BBB-4B19-A194-CD5316C6729B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NShutClt\\Task.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Task.Task\CLSID\ = "{D9A2489C-6BBB-4B19-A194-CD5316C6729B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Task.Task regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9A2489C-6BBB-4B19-A194-CD5316C6729B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9A2489C-6BBB-4B19-A194-CD5316C6729B}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9A2489C-6BBB-4B19-A194-CD5316C6729B}\ProgID\ = "Task.Task" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Task.Task\CLSID regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 596 wrote to memory of 3452 596 regsvr32.exe 84 PID 596 wrote to memory of 3452 596 regsvr32.exe 84 PID 596 wrote to memory of 3452 596 regsvr32.exe 84
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\NShutClt\Task.dll1⤵
- Suspicious use of WriteProcessMemory
PID:596 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\NShutClt\Task.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3452
-