8a9598dee0a5f5d86e7e0677056fdcdbc4834d9ba38a28a9c30336387b1f0a30

Analysis

max time kernel
95s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 13:02

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General

Target

GFLLibraryBuilder.dll
Size

94KB
MD5

230220c0c478f4bca8a366d2857e31bd
SHA1

254984110b74e4d553a3f0c80dccad08e6bc9bd0
SHA256

38a058114b98d57cfcd9480bc27423734782f1925911bd492a9336c4053b656d
SHA512

3229046d4137d395436fc06d1d1c745f15b4eac83541acf12f714b10628a0220aa5163d83298e213e4374af9527a132ebebe91e877a2a1bf8e3c004aaa97eb13
SSDEEP

1536:wa2bA5dMuyhOfgr/BLkL5onLKR9Ci3Ky+xwdogh4Vkg:wa2s5dQSgr0TfCiay+xwCag

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 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\TypeLib\ = "{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}\ = "ISXMLElement"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}\ = "ISXMLElements"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\TypeLib\ = "{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{F74AD137-A43F-46FD-A1FE-6532C3FC3E88}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\TypeLib\ = "{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GFLLibraryBuilder.Builder.1\ = "GFL Library Builder"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}\ = "ISXMLAttribute"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C9E61BE-E58F-4AE1-A304-6FF1D183804C}\ = "GFL Library Builder"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C9E61BE-E58F-4AE1-A304-6FF1D183804C}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}\TypeLib\ = "{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\ = "ISXMLNode"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GFLLibraryBuilder.Builder.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GFLLibraryBuilder.Builder\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\ = "ISXMLAttributes"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GFLLibraryBuilder.Builder	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C9E61BE-E58F-4AE1-A304-6FF1D183804C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GFLLibraryBuilder.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}\TypeLib\ = "{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GFLLibraryBuilder.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C9E61BE-E58F-4AE1-A304-6FF1D183804C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\TypeLib\ = "{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GFLLibraryBuilder.Builder.1\CLSID\ = "{6C9E61BE-E58F-4AE1-A304-6FF1D183804C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C9E61BE-E58F-4AE1-A304-6FF1D183804C}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\GFLLibraryBuilder.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GFLLibraryBuilder.Builder\CLSID\ = "{6C9E61BE-E58F-4AE1-A304-6FF1D183804C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C9E61BE-E58F-4AE1-A304-6FF1D183804C}\AppID = "{F74AD137-A43F-46FD-A1FE-6532C3FC3E88}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C9E61BE-E58F-4AE1-A304-6FF1D183804C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\TypeLib\ = "{7B8046FF-0D3A-4D85-9424-7DFCCD1BCA45}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 3012	688	regsvr32.exe	85
PID 688 wrote to memory of 3012	688	regsvr32.exe	85
PID 688 wrote to memory of 3012	688	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\GFLLibraryBuilder.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:688
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\GFLLibraryBuilder.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3012

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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