Overview
overview
3Static
static
3Tundra.zip
windows10-2004-x64
1Tundra/ExploitDLL.dll
windows10-2004-x64
1Tundra/Fas...ox.dll
windows10-2004-x64
1Tundra/Tundra.exe
windows10-2004-x64
1Tundra/scr...ts.lua
windows10-2004-x64
3Tundra/scr...ld.lua
windows10-2004-x64
3Tundra/scr...lf.lua
windows10-2004-x64
3Tundra/scr...le.lua
windows10-2004-x64
3Tundra/scr...ed.lua
windows10-2004-x64
3Analysis
-
max time kernel
453s -
max time network
1177s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
25/02/2024, 04:11
Static task
static1
Behavioral task
behavioral1
Sample
Tundra.zip
Resource
win10v2004-20240221-en
Behavioral task
behavioral2
Sample
Tundra/ExploitDLL.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral3
Sample
Tundra/FastColoredTextBox.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral4
Sample
Tundra/Tundra.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral5
Sample
Tundra/scripts/BreakJoints.lua
Resource
win10v2004-20240221-en
Behavioral task
behavioral6
Sample
Tundra/scripts/Infinite Yield.lua
Resource
win10v2004-20240221-en
Behavioral task
behavioral7
Sample
Tundra/scripts/Kick Yourself.lua
Resource
win10v2004-20240221-en
Behavioral task
behavioral8
Sample
Tundra/scripts/Saving File.lua
Resource
win10v2004-20240221-en
Behavioral task
behavioral9
Sample
Tundra/scripts/Walkspeed.lua
Resource
win10v2004-20240221-en
General
-
Target
Tundra/scripts/Kick Yourself.lua
-
Size
87B
-
MD5
3ad2f7a3dc84669fbadeae3d37252ae3
-
SHA1
e24542ffaf87ab9176a2793604e6ba43efe1148f
-
SHA256
35c4bcb2bb6a9f95bb0e27fd62a155bb10132efd1fae76ecdbaa616bd79b2010
-
SHA512
915a0cc37088c1d65944649dcc9eaa7c74c43d1ea3baac72e6a6f9c0cd5d2234ee27cb4d56f58bff120ba16d234f8a58d1233ccebe652645611515646ee7d981
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4796 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Tundra\scripts\Kick Yourself.lua"1⤵
- Modifies registry class
PID:3328
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4796