Overview
overview
7Static
static
3Msty_x64.exe
windows7-x64
7Msty_x64.exe
windows10-2004-x64
7$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3LICENSES.c...m.html
windows7-x64
3LICENSES.c...m.html
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...7z.dll
windows7-x64
3$PLUGINSDI...7z.dll
windows10-2004-x64
3$R0/Uninst...ty.exe
windows7-x64
7$R0/Uninst...ty.exe
windows10-2004-x64
7$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
-
max time kernel
417s -
max time network
428s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2024 20:42
Static task
static1
Behavioral task
behavioral1
Sample
Msty_x64.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Msty_x64.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
LICENSES.chromium.html
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
LICENSES.chromium.html
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win7-20240708-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
$R0/Uninstall Msty.exe
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
$R0/Uninstall Msty.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240708-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20240708-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
General
-
Target
$PLUGINSDIR/nsis7z.dll
-
Size
424KB
-
MD5
80e44ce4895304c6a3a831310fbf8cd0
-
SHA1
36bd49ae21c460be5753a904b4501f1abca53508
-
SHA256
b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
-
SHA512
c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df
-
SSDEEP
6144:aUWQQ5O3fz0NG3ucDaEUTWfk+ZA0NrCL/k+uyoyBOX1okfW7w+Pfzqibckl:an5QEG39fPAkrE4yrBOXDfaNbck
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1672 940 WerFault.exe 87 -
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 760 wrote to memory of 940 760 rundll32.exe 87 PID 760 wrote to memory of 940 760 rundll32.exe 87 PID 760 wrote to memory of 940 760 rundll32.exe 87
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:940 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 6123⤵
- Program crash
PID:1672
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 940 -ip 9401⤵PID:3600