Overview
overview
7Static
static
3FreePiano/...no.exe
windows7-x64
1FreePiano/...no.exe
windows10-2004-x64
3FreePiano/...f2.dll
windows7-x64
1FreePiano/...f2.dll
windows10-2004-x64
1FreePiano/...p4.exe
windows7-x64
1FreePiano/...p4.exe
windows10-2004-x64
1FreePiano/...no.dll
windows7-x64
1FreePiano/...no.dll
windows10-2004-x64
1QWERTY/Mid...ty.exe
windows7-x64
1QWERTY/Mid...ty.exe
windows10-2004-x64
1QWERTY/SDL2.dll
windows7-x64
1QWERTY/SDL2.dll
windows10-2004-x64
1QWERTY/portmidi.dll
windows7-x64
1QWERTY/portmidi.dll
windows10-2004-x64
1setuploopbe1.exe
windows7-x64
7setuploopbe1.exe
windows10-2004-x64
7$PLUGINSDI...PI.dll
windows7-x64
1$PLUGINSDI...PI.dll
windows10-2004-x64
1$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows7-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...st.exe
windows7-x64
1$PLUGINSDI...st.exe
windows10-2004-x64
1$PLUGINSDI...e1.sys
windows7-x64
1$PLUGINSDI...e1.sys
windows10-2004-x64
1$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
-
max time kernel
117s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11/03/2024, 19:37
Static task
static1
Behavioral task
behavioral1
Sample
FreePiano/freepiano.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
FreePiano/freepiano.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
FreePiano/plugins/plugin_sf2.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
FreePiano/plugins/plugin_sf2.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
FreePiano/plugins/plugin_xfmp4.exe
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
FreePiano/plugins/plugin_xfmp4.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
FreePiano/vsti/mdaPiano.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
FreePiano/vsti/mdaPiano.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
QWERTY/Midi to Qwerty.exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
QWERTY/Midi to Qwerty.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
QWERTY/SDL2.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
QWERTY/SDL2.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
QWERTY/portmidi.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
QWERTY/portmidi.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
setuploopbe1.exe
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
setuploopbe1.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/DIFxAPI.dll
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/DIFxAPI.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/drvinst.exe
Resource
win7-20240220-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/drvinst.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/loopbe1.sys
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/loopbe1.sys
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240226-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 2200 1616 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2276 wrote to memory of 1616 2276 rundll32.exe 28 PID 2276 wrote to memory of 1616 2276 rundll32.exe 28 PID 2276 wrote to memory of 1616 2276 rundll32.exe 28 PID 2276 wrote to memory of 1616 2276 rundll32.exe 28 PID 2276 wrote to memory of 1616 2276 rundll32.exe 28 PID 2276 wrote to memory of 1616 2276 rundll32.exe 28 PID 2276 wrote to memory of 1616 2276 rundll32.exe 28 PID 1616 wrote to memory of 2200 1616 rundll32.exe 29 PID 1616 wrote to memory of 2200 1616 rundll32.exe 29 PID 1616 wrote to memory of 2200 1616 rundll32.exe 29 PID 1616 wrote to memory of 2200 1616 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1616 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 2243⤵
- Program crash
PID:2200
-
-