Overview
overview
6Static
static
3Staccato I...er.exe
windows10-2004-x64
6Staccato I...er.exe
windows11-ltsc_2024-x64
6$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PROGRAMFI...to.dll
windows10-2004-x64
1$PROGRAMFI...to.dll
windows11-ltsc_2024-x64
1$PROGRAMFI...to.dll
windows10-2004-x64
1$PROGRAMFI...to.dll
windows11-ltsc_2024-x64
1Staccato.exe
windows10-2004-x64
1Staccato.exe
windows11-ltsc_2024-x64
1Analysis
- max time kernel
149s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260618-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/06/2026, 04:29
Static task
static1
Behavioral task
behavioral1
Sample
Staccato Installer.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Staccato Installer.exe
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral7
Sample
$PROGRAMFILES64/Common Files/Avid/Audio/Plug-Ins/Staccato.aaxplugin/Contents/x64/Staccato.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PROGRAMFILES64/Common Files/Avid/Audio/Plug-Ins/Staccato.aaxplugin/Contents/x64/Staccato.dll
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral9
Sample
$PROGRAMFILES64/Common Files/VST3/Staccato.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PROGRAMFILES64/Common Files/VST3/Staccato.dll
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral11
Sample
Staccato.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
Staccato.exe
Resource
win11ltsc2024-20260617-en
General
- Target Staccato Installer.exe
- Size 16.4MB
- Sample260623-e4kekaaw6t
- SHA256 2d6742c1c73a075966923a2fe1aabf5b4c7d4f3ee3edd213d7f45106352ec8d5
- MD5 6e8d00cdcb0f1ed5729c6bb232cd7f98
- SHA1 4f05550a6e3b0cc4074f8e50ba0e4b481f85ee46
- SHA512 9ee1b44cd847a22e0bd019c0fb10e589ee1fc568ec1ece23b891f2855af82363e541f8b19b694ef4f7f775bf5944eaf7429dccac9c70f163155bdff77e274b45
- SSDEEP 393216:7SXafRoMRouffg2TPB8N82LlQQ+fvi7gy80oV38zgXUgqcOQ+RMNgEGOLKNt6:7AaftRoKQ2KM6oik7OQGagEG6l
- TLSH T189073377FC19B36BDC0524F04CC5EF894885CDA4E3EA2235EBC036AB9D72B15D51922A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Drops desktop.ini file(s) 1 IoCs
description ioc Process File created C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Staccato.aaxplugin\desktop.ini Staccato Installer.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 6 IoCs
description ioc Process File created C:\Program Files\Staccato\Staccato.exe Staccato Installer.exe File created C:\Program Files\Staccato\Uninstall Staccato.exe Staccato Installer.exe File created C:\Program Files\Common Files\VST3\Staccato.vst3 Staccato Installer.exe File created C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Staccato.aaxplugin\PlugIn.ico Staccato Installer.exe File created C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Staccato.aaxplugin\desktop.ini Staccato Installer.exe File created C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Staccato.aaxplugin\Contents\x64\Staccato.aaxplugin Staccato Installer.exe - Executes dropped EXE 1 IoCs
pid Process 5560 Staccato.exe - Loads dropped DLL 2 IoCs
pid Process 2332 Staccato Installer.exe 2332 Staccato Installer.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 Staccato Installer.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5560 Staccato.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 5632 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 5632 AUDIODG.EXE - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 5560 Staccato.exe 5560 Staccato.exe 5560 Staccato.exe 5560 Staccato.exe 5560 Staccato.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2332 wrote to memory of 5560 2332 Staccato Installer.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\Staccato Installer.exe"C:\Users\Admin\AppData\Local\Temp\Staccato Installer.exe"1⤵
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Program Files\Staccato\Staccato.exe"C:\Program Files\Staccato\Staccato.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:5560
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004D4 0x00000000000004D81⤵
- Suspicious use of AdjustPrivilegeToken
PID:5632
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:2444
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\Staccato\Staccato.exe
- Size 12.0MB
- SHA256 5e3f28f1637e346ae57accc67f7717064ec8a64d8e3b9e56969e7c30eb7c3e9a
- MD5 2e2c47e3164a04f4c1b01f44ee8d0b62
- SHA1 9e40e0d89fbed17c6eb09ea8eaca57df9ad314f3
- SHA512 bad519f80f1dd0b38e250e8e5eb8b7c9ffc18315ec785123b8c3dac4f92bae68233d5e8e8266c637834ced9143978b6bbcef1351207a54ea0e7646c266a0543b
- SSDEEP 196608:C1lZtDUvSKMGwtG+7NLml49TKtjblPUBBBBBlkBBBUBBBBBBYkBkkkk4BBlkkkBg:C1lZtpQwtGkNLmChKtf
- TLSH T1EAC6AF87B26540D4C1BAC079C6929526FB727C190320DFDB15A49A6ABF37EE14F7E320
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nspE40.tmp\System.dll
- Size 12KB
- SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
- MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
- SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
- SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
- SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
- TLSH T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nspE40.tmp\modern-wizard.bmp
- Size 150KB
- SHA256 5137352d0f2f5100c964e61aa625606d43d898660d4f867b0534322e5e66b94b
- MD5 24158fdfef50338ab5c2fe8067b850c8
- SHA1 78da54cd62edddbb739f4ef8002276b2f83d22d3
- SHA512 46144534d753f246bab5f3dddd01b898f4800ea04b7f5af4829297e20973bc3cad0da9052d69d5d84b8af8ff34202f8bd3d0a29f68f90afdc20e9a4be7b19ef4
- SSDEEP 48:+r9dGsED7eRIjH4sb4Bu3Vw0OpWtWyv8Rpz8HPl:gTGTeRI8Q4BP6WDpz8H
- TLSH T168E377E98809491ADE0B4FB70CFC76A41A2C6C8FD73EE6A2D55AF05542331A91605ACE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nspE40.tmp\nsDialogs.dll
- Size 9KB
- SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
- MD5 8f0e7415f33843431df308bb8e06af81
- SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
- SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
- SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
- TLSH T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
- MD5 SHA1 SHA512 SSDEEP TLSH