Overview
overview
7Static
static
3TETR.IO Setup.exe
windows7-x64
7TETR.IO Setup.exe
windows10-2004-x64
7$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3LICENSES.c...m.html
windows7-x64
3LICENSES.c...m.html
windows10-2004-x64
3TETR.IO.exe
windows7-x64
1TETR.IO.exe
windows10-2004-x64
7d3dcompiler_47.dll
windows10-2004-x64
1ffmpeg.dll
windows7-x64
1ffmpeg.dll
windows10-2004-x64
1libEGL.dll
windows7-x64
1libEGL.dll
windows10-2004-x64
1libGLESv2.dll
windows7-x64
1libGLESv2.dll
windows10-2004-x64
1resources/elevate.exe
windows7-x64
3resources/elevate.exe
windows10-2004-x64
3vk_swiftshader.dll
windows7-x64
1vk_swiftshader.dll
windows10-2004-x64
1vulkan-1.dll
windows7-x64
1vulkan-1.dll
windows10-2004-x64
1$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...7z.dll
windows7-x64
3$PLUGINSDI...7z.dll
windows10-2004-x64
3$R0/Uninst...IO.exe
windows7-x64
7Analysis
-
max time kernel
92s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 01:25
Static task
static1
Behavioral task
behavioral1
Sample
TETR.IO Setup.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
TETR.IO Setup.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win10v2004-20240910-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
LICENSES.chromium.html
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
LICENSES.chromium.html
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
TETR.IO.exe
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
TETR.IO.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
d3dcompiler_47.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral16
Sample
ffmpeg.dll
Resource
win7-20240903-en
Behavioral task
behavioral17
Sample
ffmpeg.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral18
Sample
libEGL.dll
Resource
win7-20240903-en
Behavioral task
behavioral19
Sample
libEGL.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral20
Sample
libGLESv2.dll
Resource
win7-20240903-en
Behavioral task
behavioral21
Sample
libGLESv2.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral22
Sample
resources/elevate.exe
Resource
win7-20240903-en
Behavioral task
behavioral23
Sample
resources/elevate.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral24
Sample
vk_swiftshader.dll
Resource
win7-20240729-en
Behavioral task
behavioral25
Sample
vk_swiftshader.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral26
Sample
vulkan-1.dll
Resource
win7-20240903-en
Behavioral task
behavioral27
Sample
vulkan-1.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win7-20240903-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral32
Sample
$R0/Uninstall TETR.IO.exe
Resource
win7-20240903-en
General
-
Target
$PLUGINSDIR/WinShell.dll
-
Size
3KB
-
MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56
-
SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c
-
SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
-
SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4980 4672 WerFault.exe 82 -
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 3128 wrote to memory of 4672 3128 rundll32.exe 82 PID 3128 wrote to memory of 4672 3128 rundll32.exe 82 PID 3128 wrote to memory of 4672 3128 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4672 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 6123⤵
- Program crash
PID:4980
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4672 -ip 46721⤵PID:1072