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
120s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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/mfc90.dll
-
Size
1.1MB
-
MD5
462ddcc5eb88f34aed991416f8e354b2
-
SHA1
6f4dbb36a8e7e594e12a2a9ed4b71af0faa762c1
-
SHA256
287bd98054c5d2c4126298ee50a2633edc745bc76a1ce04e980f3ecc577ce943
-
SHA512
35d21e545ce6436f5e70851e0665193bb1c696f61161145c92025a090d09e08f28272cbf1e271ff62ff31862544025290e22b15a7acde1aea655560300efe1ec
-
SSDEEP
24576:HMh/PZa3TrShmbjRbf/zxUK4BpifCqY5TcB2sQL+XmDOl:HMh/PZa3HTjtFUKwhqY5TcyL+XmE
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 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2676 wrote to memory of 1224 2676 rundll32.exe 28 PID 2676 wrote to memory of 1224 2676 rundll32.exe 28 PID 2676 wrote to memory of 1224 2676 rundll32.exe 28 PID 2676 wrote to memory of 1224 2676 rundll32.exe 28 PID 2676 wrote to memory of 1224 2676 rundll32.exe 28 PID 2676 wrote to memory of 1224 2676 rundll32.exe 28 PID 2676 wrote to memory of 1224 2676 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NShutClt\mfc90.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NShutClt\mfc90.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1224
-