f3041c33e2cc55bfa63f3c547eda41eceea32e8b2c0270892f10d966ac151813

Analysis

max time kernel
92s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 11:40

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General

Target

$_0_/GdShellExt.dll
Size

218KB
MD5

b4e4adc8b3b7d7afdc64c0a17fe8b334
SHA1

c3943d7641e72d883dcd9d22ebcea18569df4f59
SHA256

79bcb8cb040774528409d33c4ec6cb9c983688695507ff1f65980204e9a3e0fd
SHA512

a654374f41a63af4d7039be848b8b4128087f7d131c1df30875405d15491d745cfbdfb6d2140e90eed912e172416ea5d661faca8f63f77acdb1280cc939d6c8d
SSDEEP

3072:YXUPniA2uNYwRwqkJiiUx4oLjTsy6cATjzY/MZcU4xGzBIIp6YpaNmlnbR0vsSH9:zbzYNJpUeoLjTHYaoj6Ausa

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 51 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\GdShellExt.DLL\AppID = "{C9EDD74C-ECAF-4EA3-AED3-B42F59C038D6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GdShellExt.IconFilter.1\ = "IconFilter Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GdShellExt.IconFilter\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\ProgID\ = "GdShellExt.IconFilter.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\VersionIndependentProgID\ = "GdShellExt.IconFilter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_0_\\GdShellExt.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{C9EDD74C-ECAF-4EA3-AED3-B42F59C038D6}\ = "GdShellExt"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GdShellExt.IconFilter.1\CLSID\ = "{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GdShellExt.IconFilter	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\AppID = "{C9EDD74C-ECAF-4EA3-AED3-B42F59C038D6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GdShellExt.IconFilter.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\ = "IconFilter Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{C9EDD74C-ECAF-4EA3-AED3-B42F59C038D6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GdShellExt.IconFilter\CurVer\ = "GameDownloaderTips.IconFilter.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}\1.0\ = "GdShellExt 1.0 ÀàÐÍ¿â"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GdShellExt.IconFilter.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\TypeLib\ = "{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_0_\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\ = "IIconFilter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GdShellExt.IconFilter\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GdShellExt.IconFilter\ = "IconFilter Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_0_\\GdShellExt.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\ = "IIconFilter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\TypeLib\ = "{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\GdShellExt.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FEBADCA2-21B5-4240-B4D2-B3AD5A6D5BDD}\TypeLib\ = "{2AE7BF49-F55F-4473-A7A8-5E52E6E51564}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GdShellExt.IconFilter\CLSID\ = "{21FEE1EA-15A3-4B35-B6E5-56EC9F00FF28}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 2000	4040	regsvr32.exe	83
PID 4040 wrote to memory of 2000	4040	regsvr32.exe	83
PID 4040 wrote to memory of 2000	4040	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$_0_\GdShellExt.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$_0_\GdShellExt.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2000-1-0x00000000007B0000-0x00000000007D4000-memory.dmp

Filesize
144KB

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