Overview
overview
7Static
static
3Install_Xf...37.exe
windows7-x64
7Install_Xf...37.exe
windows10-2004-x64
7$LOCALAPPD...TT.exe
windows7-x64
7$LOCALAPPD...TT.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...sh.dll
windows7-x64
3$PLUGINSDI...sh.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$_13_/OTT_x64.dll
windows7-x64
1$_13_/OTT_x64.dll
windows10-2004-x64
1$_57_/rebyter.exe
windows7-x64
1$_57_/rebyter.exe
windows10-2004-x64
1C:/Program...TT.dll
windows7-x64
3C:/Program...TT.dll
windows10-2004-x64
3C:/Program...TT.dll
windows7-x64
3C:/Program...TT.dll
windows10-2004-x64
3C:/Program...TT.dll
windows7-x64
3C:/Program...TT.dll
windows10-2004-x64
3C:/Program...TT.dll
windows7-x64
3C:/Program...TT.dll
windows10-2004-x64
3C:/Program...TT.dll
windows7-x64
3C:/Program...TT.dll
windows10-2004-x64
3OTT.dll
windows7-x64
3OTT.dll
windows10-2004-x64
3Analysis
-
max time kernel
594s -
max time network
599s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/09/2024, 04:20
Static task
static1
Behavioral task
behavioral1
Sample
Install_Xfer_OTT_137.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Install_Xfer_OTT_137.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$LOCALAPPDATA/Xfer/Uninstall_OTT.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$LOCALAPPDATA/Xfer/Uninstall_OTT.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/advsplash.dll
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/advsplash.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
$_13_/OTT_x64.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
$_13_/OTT_x64.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
$_57_/rebyter.exe
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
$_57_/rebyter.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
C:/Program Files (x86)/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/Win32/OTT.dll
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
C:/Program Files (x86)/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/Win32/OTT.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
C:/Program Files (x86)/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/x64/OTT.dll
Resource
win7-20240729-en
Behavioral task
behavioral22
Sample
C:/Program Files (x86)/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/x64/OTT.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
C:/Program Files/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/Win32/OTT.dll
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
C:/Program Files/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/Win32/OTT.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
C:/Program Files/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/x64/OTT.dll
Resource
win7-20240729-en
Behavioral task
behavioral26
Sample
C:/Program Files/Common Files/Avid/Audio/Plug-Ins/OTT.aaxplugin/Contents/x64/OTT.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
C:/Program Files/Common Files/VST3/OTT.dll
Resource
win7-20240708-en
Behavioral task
behavioral28
Sample
C:/Program Files/Common Files/VST3/OTT.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
OTT.dll
Resource
win7-20240903-en
Behavioral task
behavioral30
Sample
OTT.dll
Resource
win10v2004-20240802-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
564bb0373067e1785cba7e4c24aab4bf
-
SHA1
7c9416a01d821b10b2eef97b80899d24014d6fc1
-
SHA256
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
-
SHA512
22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472
-
SSDEEP
192:nenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XBDIwL:n8+Qlt70Fj/lQRY/9VjjfL
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1716 1280 WerFault.exe 90 -
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 3 IoCs
description pid Process procid_target PID 2084 wrote to memory of 1280 2084 rundll32.exe 90 PID 2084 wrote to memory of 1280 2084 rundll32.exe 90 PID 2084 wrote to memory of 1280 2084 rundll32.exe 90
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1280 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 6123⤵
- Program crash
PID:1716
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1280 -ip 12801⤵PID:4200
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1296,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4296 /prefetch:81⤵PID:972
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4112,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=1004 /prefetch:81⤵PID:3688