Overview
overview
10Static
static
3FreePiano/...no.exe
windows11-21h2-x64
6FreePiano/...f2.dll
windows11-21h2-x64
10FreePiano/...p4.exe
windows11-21h2-x64
3FreePiano/...no.dll
windows11-21h2-x64
1QWERTY/Mid...ty.exe
windows11-21h2-x64
1QWERTY/SDL2.dll
windows11-21h2-x64
1QWERTY/portmidi.dll
windows11-21h2-x64
1setuploopbe1.exe
windows11-21h2-x64
7$PLUGINSDI...PI.dll
windows11-21h2-x64
1$PLUGINSDI...ns.dll
windows11-21h2-x64
8$PLUGINSDI...nu.dll
windows11-21h2-x64
5$PLUGINSDI...em.dll
windows11-21h2-x64
$PLUGINSDI...fo.dll
windows11-21h2-x64
$PLUGINSDI...st.exe
windows11-21h2-x64
1$PLUGINSDI...e1.sys
windows11-21h2-x64
1$PLUGINSDI...ec.dll
windows11-21h2-x64
3Analysis
-
max time kernel
1370s -
max time network
1156s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
11-08-2024 04:07
Static task
static1
Behavioral task
behavioral1
Sample
FreePiano/freepiano.exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
FreePiano/plugins/plugin_sf2.dll
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
FreePiano/plugins/plugin_xfmp4.exe
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
FreePiano/vsti/mdaPiano.dll
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
QWERTY/Midi to Qwerty.exe
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
QWERTY/SDL2.dll
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
QWERTY/portmidi.dll
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
setuploopbe1.exe
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/DIFxAPI.dll
Resource
win11-20240802-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11-20240802-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win11-20240802-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/drvinst.exe
Resource
win11-20240802-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/loopbe1.sys
Resource
win11-20240802-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
General
-
Target
$PLUGINSDIR/nsExec.dll
-
Size
6KB
-
MD5
e54eb27fb5048964e8d1ec7a1f72334b
-
SHA1
2b76d7aedafd724de96532b00fbc6c7c370e4609
-
SHA256
ff00f5f7b8d6ca6a79aebd08f9625a5579affcd09f3a25fdf728a7942527a824
-
SHA512
c9ddd19484a6218f926295a88f8776aff6c0a98565714290485f9b3b53e7b673724946defed0207064d6ab0b1baa7cb3477952f61dbe22947238d3f5802fa4f4
-
SSDEEP
96:57GUb+YNfwgcr8zyKwZ5S4JxN8BS0ef9/3VI9d0qqyVgN532E:VKgfwgcr8zylsB49Ud0qJVgNQ
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 228 1616 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 2776 wrote to memory of 1616 2776 rundll32.exe 81 PID 2776 wrote to memory of 1616 2776 rundll32.exe 81 PID 2776 wrote to memory of 1616 2776 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1616 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 4683⤵
- Program crash
PID:228
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1616 -ip 16161⤵PID:2540