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/d3dcompiler_47.dll
-
Size
3.9MB
-
MD5
ab3be0c427c6e405fad496db1545bd61
-
SHA1
76012f31db8618624bc8b563698b2669365e49cb
-
SHA256
827d12e4ed62520b663078bbf26f95dfd106526e66048cf75b5c9612b2fb7ce6
-
SHA512
d1dc2ec77c770c5da99e688d799f88b1e585f8dcf63e6876e237fe7fce6e23b528e6a5ef94ffc68283c60ae4e465ff19d3fd6f2fae5de4504b5479d68cbc4dba
-
SSDEEP
98304:q4Xyn7IfxiYMzgom1mEU/AJC/vujMD9rM:809om1hU/Aavu4D9rM
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2600 4856 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1440 wrote to memory of 4856 1440 rundll32.exe rundll32.exe PID 1440 wrote to memory of 4856 1440 rundll32.exe rundll32.exe PID 1440 wrote to memory of 4856 1440 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Korepi\d3dcompiler_47.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Korepi\d3dcompiler_47.dll,#12⤵PID:4856
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 6123⤵
- Program crash
PID:2600
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4856 -ip 48561⤵PID:3976