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
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-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/msvcp90.dll
-
Size
555KB
-
MD5
6de5c66e434a9c1729575763d891c6c2
-
SHA1
a230e64e0a5830544a25890f70ce9c9296245945
-
SHA256
4f7ed27b532888ce72b96e52952073eab2354160d1156924489054b7fa9b0b1a
-
SHA512
27ec83ee49b752a31a9469e17104ed039d74919a103b625a9250ac2d4d8b8601034d8b3e2fa87aadbafbdb89b01c1152943e8f9a470293cc7d62c2eefa389d2c
-
SSDEEP
12288:iUmYoJC//83zMHZg7/yToyvYXO84hUgiW6QR7t5C3Ooc8SHkC2eRZRzS:iUmYoO83W0y8yeO8L3Ooc8SHkC2e8
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 540 wrote to memory of 1188 540 rundll32.exe 31 PID 540 wrote to memory of 1188 540 rundll32.exe 31 PID 540 wrote to memory of 1188 540 rundll32.exe 31 PID 540 wrote to memory of 1188 540 rundll32.exe 31 PID 540 wrote to memory of 1188 540 rundll32.exe 31 PID 540 wrote to memory of 1188 540 rundll32.exe 31 PID 540 wrote to memory of 1188 540 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NShutClt\msvcp90.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NShutClt\msvcp90.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1188
-