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
151s - 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 $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- Sample260823-ntyzmsgk6w
- SHA256 6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156
- MD5 48f3e7860e1de2b4e63ec744a5e9582a
- SHA1 420c64d802a637c75a53efc8f748e1aede3d6dc6
- SHA512 28716ddea580eeb23d93d1ff6ea0cf79a725e13c8f8a17ec9dfacb1fe29c7981ad84c03aed05663adc52365d63d19ec2f366762d1c685e3a9d93037570c3c583
- SSDEEP 96:oFsvUu3Uy+sytcS8176b+XR8pCHFcMcxSgB5PKtAtgt+Nt+rnt3DVEB3YuNqkzfS:oFsvWyNO81b8pCHFcM0PuAgkOywIFc
- TLSH T19112F992E5A450B3C5D6533A35AA2F2DCBBD5329B0926C00C7738E4D39355B66E38343
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1952 2688 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 4444 wrote to memory of 2688 4444 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2688 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 6363⤵
- Program crash
PID:1952
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2688 -ip 26881⤵PID:3780