Overview
overview
10Static
static
10Korepi/Korepi.exe
windows10-2004-x64
10Korepi/d3d...47.dll
windows10-2004-x64
3Korepi/dll/ffmpeg.dll
windows10-2004-x64
1Korepi/dll/libEGL.dll
windows10-2004-x64
1Korepi/dll...v2.dll
windows10-2004-x64
3Korepi/dll...er.dll
windows10-2004-x64
3Korepi/dll...-1.dll
windows10-2004-x64
3Korepi/ffmpeg.dll
windows10-2004-x64
1Korepi/libEGL.dll
windows10-2004-x64
1Korepi/libGLESv2.dll
windows10-2004-x64
3Korepi/vgrl.dll
windows10-2004-x64
1Korepi/vivoxsdk.dll
windows10-2004-x64
1Analysis
-
max time kernel
83s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
08-02-2024 19:42
Behavioral task
behavioral1
Sample
Korepi/Korepi.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral2
Sample
Korepi/d3dcompiler_47.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
Korepi/dll/ffmpeg.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
Korepi/dll/libEGL.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
Korepi/dll/libGLESv2.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral6
Sample
Korepi/dll/vk_swiftshader.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
Korepi/dll/vulkan-1.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral8
Sample
Korepi/ffmpeg.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
Korepi/libEGL.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral10
Sample
Korepi/libGLESv2.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
Korepi/vgrl.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral12
Sample
Korepi/vivoxsdk.dll
Resource
win10v2004-20231215-en
General
-
Target
Korepi/dll/vk_swiftshader.dll
-
Size
4.3MB
-
MD5
ad00a712203b9dfb702d886e43d215e6
-
SHA1
1921d4d14b5ac0a669f69cd852a41eba8377a434
-
SHA256
01742049534047b956328b9a0ca57f720e957edb684a6a0d70acc992e2b684fc
-
SHA512
f4672dce073c940fe3b9f9687fc9a195b5d0a6e51bb92c91047775be244ce95a2c743947eb05299d77cb3c8b914821984bb98182bc9afdc35e3963148f5562e0
-
SSDEEP
49152:TRFxCyzWuNtr3nQAqKktwjcXBQkHTTZjbryATFeYkScdII2HM2lbpTFk6dwkIIq/:TR+rwY1V2iy0SpGOjECAetx80J
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2148 448 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 2844 wrote to memory of 448 2844 rundll32.exe rundll32.exe PID 2844 wrote to memory of 448 2844 rundll32.exe rundll32.exe PID 2844 wrote to memory of 448 2844 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Korepi\dll\vk_swiftshader.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Korepi\dll\vk_swiftshader.dll,#12⤵PID:448
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 6003⤵
- Program crash
PID:2148
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 448 -ip 4481⤵PID:4916