Overview
overview
7Static
static
3Install_Xf...37.exe
windows10-ltsc_2021-x64
7$LOCALAPPD...TT.exe
windows10-ltsc_2021-x64
7$PLUGINSDI...em.dll
windows10-ltsc_2021-x64
3$PLUGINSDI...gs.dll
windows10-ltsc_2021-x64
3$PLUGINSDI...em.dll
windows10-ltsc_2021-x64
3$PLUGINSDI...sh.dll
windows10-ltsc_2021-x64
3$PLUGINSDI...gs.dll
windows10-ltsc_2021-x64
3$_13_/OTT_x64.dll
windows10-ltsc_2021-x64
1$_57_/rebyter.exe
windows10-ltsc_2021-x64
1C:/Program...TT.dll
windows10-ltsc_2021-x64
3C:/Program...TT.dll
windows10-ltsc_2021-x64
3C:/Program...TT.dll
windows10-ltsc_2021-x64
3C:/Program...TT.dll
windows10-ltsc_2021-x64
3C:/Program...TT.dll
windows10-ltsc_2021-x64
3OTT.dll
windows10-ltsc_2021-x64
3Analysis
- max time kernel
149s - max time network
145s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
23/08/2026, 11:41
Static task
static1
Behavioral task
behavioral1
Sample
Install_Xfer_OTT_137.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
$LOCALAPPDATA/Xfer/Uninstall_OTT.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/advsplash.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral8
Sample
$_13_/OTT_x64.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral9
Sample
$_57_/rebyter.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral10
Sample
C:/Program Files (x86)/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/Win32/OTT.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral11
Sample
C:/Program Files (x86)/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/x64/OTT.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral12
Sample
C:/Program Files/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/Win32/OTT.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral13
Sample
C:/Program Files/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/x64/OTT.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral14
Sample
C:/Program Files/Common Files/VST3/OTT.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral15
Sample
OTT.dll
Resource
win10ltsc2021-20260513-en
General
- Target C:/Program Files/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/x64/OTT.dll
- Size 3.1MB
- Sample260823-ntyzmsgk6w
- SHA256 00794e3da4028f9827b92347576feaff16fbca361d3e7b84c2808bd103347e71
- MD5 e5e9e7ea97523b6efdd9f20a4054e030
- SHA1 ce7237bb8bcb0380a9081fa2867894a73f8a93e6
- SHA512 30ac69e70f90045e8d0812de9a63f548e6ee890210d811471107c782c8daa10725dc1ae172f6ad6f835a6446197b2b1c680cae9fb3f02fb7e8b19618880e27da
- SSDEEP 49152:mM7WA7M5ZpzDPz7ZU6He6O5tfXGPvZEnBa21C0xAlCuvnH28pVTDET10eIOnG1ui:NJMHz7ijtPtn1wn3LlNN
- TLSH T199E5AE4B726500D8D4AAD07CC65B990BD372744907609BDF16F08BAE1FA7BE05EBB360
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 568 2464 WerFault.exe 83 - 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 1 IoCs
description pid Process procid_target PID 5012 wrote to memory of 2464 5012 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Program Files\Common Files\Avid\Audio\Plug-Ins\OTT.aaxplugin\Contents\x64\OTT.dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Program Files\Common Files\Avid\Audio\Plug-Ins\OTT.aaxplugin\Contents\x64\OTT.dll",#12⤵
- System Location Discovery: System Language Discovery
PID:2464 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 6443⤵
- Program crash
PID:568
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 232 -p 2464 -ip 24641⤵PID:1624