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
152s - 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/Win32/OTT.dll
- Size 2.7MB
- Sample260823-ntyzmsgk6w
- SHA256 802494be6b40d9abf1abc3374323b555807fd772f2a2243a982a923fe273b5da
- MD5 485ee79117f6f40665dd4ad0d955747c
- SHA1 fa008df2bba9d442357898aa5a88ec789ad28a59
- SHA512 266597dc5958be88cd854cb6dda382a67b7359eafad8bf4d246ecc6d6fa7063be35c4ff3284db0d432b18253c37609c972b33bff3911e10d46ed7bff32c7715d
- SSDEEP 49152:KBWO+3L2Sp+7uFsLnU1/62WKecJDVsNTi2TNM0OnG1u4jx+6:KB3uSSypbKecJD4M0lNL
- TLSH T180D5CE217412C079C5CE02B19A7DBBAF827D5F6A0B3805D757E4AEA84C341D22F7369B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4448 2592 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 976 wrote to memory of 2592 976 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Program Files\Common Files\Avid\Audio\Plug-Ins\OTT.aaxplugin\Contents\Win32\OTT.dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Program Files\Common Files\Avid\Audio\Plug-Ins\OTT.aaxplugin\Contents\Win32\OTT.dll",#12⤵
- System Location Discovery: System Language Discovery
PID:2592 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 6403⤵
- Program crash
PID:4448
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2592 -ip 25921⤵PID:4232