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
91s -
max time network
98s -
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/libGLESv2.dll
-
Size
6.4MB
-
MD5
fb74e837a2ebbf59afeb09106644a9ab
-
SHA1
55225fcc692aa332f698960c3dc1140d791d1fa1
-
SHA256
e6ab5fc601d0d230c989d2f481b37c259a0a1fffb7fb841b7099a5e966f0088a
-
SHA512
585e464de076d6d2560288fe9430004430effb0599134bfb30fabb7bad3cdccff9458d21d17f580823a308cd6472f36d1f1ce6a04e568ba6dcca2e68fd39d63f
-
SSDEEP
196608:2NtQrp20oWAyqiq9RcMDBtC3rS4+4aJs4t:2NtQrp2uAypq0MDBtg1EJ
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4892 852 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4092 wrote to memory of 852 4092 rundll32.exe rundll32.exe PID 4092 wrote to memory of 852 4092 rundll32.exe rundll32.exe PID 4092 wrote to memory of 852 4092 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Korepi\libGLESv2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Korepi\libGLESv2.dll,#12⤵PID:852
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 6123⤵
- Program crash
PID:4892
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 852 -ip 8521⤵PID:2656