Overview
overview
10Static
static
10Korepi/Korepi.exe
windows10-2004-x64
10Korepi/cef.js
windows10-2004-x64
1Korepi/cef...ent.js
windows10-2004-x64
1Korepi/cef...ent.js
windows10-2004-x64
1Korepi/cef...ons.js
windows10-2004-x64
1Korepi/chrome_elf.dll
windows10-2004-x64
3Korepi/d3d...47.dll
windows10-2004-x64
3Korepi/dev...ces.js
windows10-2004-x64
1Korepi/dll...lf.dll
windows10-2004-x64
3Korepi/dll...47.dll
windows10-2004-x64
3Korepi/dll/libEGL.dll
windows10-2004-x64
1Korepi/dll...v2.dll
windows10-2004-x64
3Korepi/dll/libcef.dll
windows10-2004-x64
1Korepi/ffmpeg.dll
windows10-2004-x64
1Korepi/libEGL.dll
windows10-2004-x64
1Korepi/libGLESv2.dll
windows10-2004-x64
3Korepi/libcef.dll
windows10-2004-x64
1Korepi/nat...lob.js
windows10-2004-x64
1Korepi/vgrl.dll
windows10-2004-x64
1Korepi/vivoxsdk.dll
windows10-2004-x64
1Analysis
-
max time kernel
139s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
09-02-2024 08:09
Behavioral task
behavioral1
Sample
Korepi/Korepi.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral2
Sample
Korepi/cef.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
Korepi/cef_100_percent.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral4
Sample
Korepi/cef_200_percent.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
Korepi/cef_extensions.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral6
Sample
Korepi/chrome_elf.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
Korepi/d3dcompiler_47.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral8
Sample
Korepi/devtools_resources.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
Korepi/dll/chrome_elf.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral10
Sample
Korepi/dll/d3dcompiler_47.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
Korepi/dll/libEGL.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral12
Sample
Korepi/dll/libGLESv2.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
Korepi/dll/libcef.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral14
Sample
Korepi/ffmpeg.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
Korepi/libEGL.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral16
Sample
Korepi/libGLESv2.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral17
Sample
Korepi/libcef.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral18
Sample
Korepi/natives_blob.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
Korepi/vgrl.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral20
Sample
Korepi/vivoxsdk.dll
Resource
win10v2004-20231215-en
General
-
Target
Korepi/d3dcompiler_47.dll
-
Size
3.5MB
-
MD5
d2d0ff97605d2c2f8921e93062eb01ff
-
SHA1
586cdca915f47fa4b1010f781ec0504e3138efd2
-
SHA256
4056e0804a13d791362555636ba34158fade7c1e71599e415a285de1472d83d5
-
SHA512
7bff38be4c5c41a978b33b9458dc885c59e68fa3dd4e56c6b980d334837bef37b2205b1b69aa1f058c0d8e24e3938c29da917a198b640b521d9726a505683b10
-
SSDEEP
49152:KrqFNHA0sqBRTFXIgeElWEmsZbcjTmV8h6rc15K5mppbIar24SP1sEZgTK3iU7Ed:KrwNvDLICV8suT724SFSmsJ
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4972 3556 WerFault.exe 84 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2820 wrote to memory of 3556 2820 rundll32.exe 84 PID 2820 wrote to memory of 3556 2820 rundll32.exe 84 PID 2820 wrote to memory of 3556 2820 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Korepi\d3dcompiler_47.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Korepi\d3dcompiler_47.dll,#12⤵PID:3556
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 6123⤵
- Program crash
PID:4972
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3556 -ip 35561⤵PID:2916