7bdbc9c96d08ae37f7ec2845584727ee301a7a26d1bc03b015b52d5804caffbb | Triage

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 20:41

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General

Target

GameMemoryOpt.dll
Size

513KB
MD5

1879948b9af2572a7c3b0841422603f9
SHA1

fc20653f50e6d32a621c104b286f1671ae1ac410
SHA256

9638678a98ed5d3530cc6d794506f61c6bfa70c7d57326065e75fcc4f37f4382
SHA512

cd1b19bb9f645beb0536d994e599acb839112007cc8ead162c989ea2c93bef9ce9851515b239ccfc17f6aa11534e141174c40a9ff712b0d0d9f1cd713d00b971
SSDEEP

12288:1zXPhDpl/A88izTEqdcv8fDmZjXhoyfAXK0:f/Acoqdcv87mZjmyfAXr

Score

1^/10

Malware Config

Signatures

Modifies registry class 7 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E18ACF9-8A61-4A6C-A770-6F739037317F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E18ACF9-8A61-4A6C-A770-6F739037317F}\ = "Ludashi GameMaster"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E18ACF9-8A61-4A6C-A770-6F739037317F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E18ACF9-8A61-4A6C-A770-6F739037317F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GameMemoryOpt.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E18ACF9-8A61-4A6C-A770-6F739037317F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E18ACF9-8A61-4A6C-A770-6F739037317F}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E18ACF9-8A61-4A6C-A770-6F739037317F}\Implemented Categories\{00021492-0000-0000-C000-000000000046}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 3608 wrote to memory of 2892	3608	regsvr32.exe	regsvr32.exe
PID 3608 wrote to memory of 2892	3608	regsvr32.exe	regsvr32.exe
PID 3608 wrote to memory of 2892	3608	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\GameMemoryOpt.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3608
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\GameMemoryOpt.dll
  2⤵
  - Modifies registry class
  PID:2892

Network

MITRE ATT&CK Matrix

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