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
93s -
max time network
106s -
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/System.dll
-
Size
12KB
-
MD5
0d7ad4f45dc6f5aa87f606d0331c6901
-
SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457
-
SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
-
SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
-
SSDEEP
192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1264 4164 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 4940 wrote to memory of 4164 4940 rundll32.exe 82 PID 4940 wrote to memory of 4164 4940 rundll32.exe 82 PID 4940 wrote to memory of 4164 4940 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4164 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 6123⤵
- Program crash
PID:1264
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4164 -ip 41641⤵PID:5108