Overview
overview
10Static
static
10Private Ke...AX.dll
windows7-x64
7Private Ke...AX.dll
windows10-2004-x64
7Private Ke...en.dll
windows7-x64
1Private Ke...en.dll
windows10-2004-x64
1Private Ke...sg.dll
windows7-x64
1Private Ke...sg.dll
windows10-2004-x64
1Private Ke...ey.exe
windows7-x64
10Private Ke...ey.exe
windows10-2004-x64
10Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2024 07:02
Behavioral task
behavioral1
Sample
Private Key/AUTHZAX.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Private Key/AUTHZAX.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Private Key/BCSAutogen.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
Private Key/BCSAutogen.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
Private Key/BCSClient.Msg.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
Private Key/BCSClient.Msg.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
Private Key/PrivateKey.exe
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
Private Key/PrivateKey.exe
Resource
win10v2004-20241007-en
General
-
Target
Private Key/AUTHZAX.dll
-
Size
67KB
-
MD5
6d7aaaadf2bb5a485c9af58f73641379
-
SHA1
0cf59ade584b41a987cd256172633d5f78bdd64d
-
SHA256
21bd2da73c0fd41e35999b01e695e8187741812a138494ad4b2d3c4e5241937d
-
SHA512
ce97970c9cd42944c4d08438962297e3215595254776db6d732298984ccd9ee8778ec83b5f39d229d89b6fc4c0d49647a78120fce0acc03fa3bb60ea91cfd6b0
-
SSDEEP
768:hV2w7WuYlsz1Zha3S0EJaKZf3VcvB/2AgbfViz7/TFFGVOucKfsgx9e3PlYZKO+Q:mwJYKs8XMTf7/TX6e3PYKO+oU795Y
Malware Config
Signatures
-
Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
Modifies registry class 48 IoCs
Processes:
regsvr32.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz\ = "Microsoft Office 14 Authorization Control" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\ProgID\ = "Office14.Authz.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Private Key" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Private Key\\AUTHZAX.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}\1.0\0\win64 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\TypeLib\ = "{EA3E6E3C-5130-49c1-8EDE-F889CD0F4429}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}\1.0\0\win64\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Private Key\\AUTHZAX.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\TypeLib\ = "{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz.1\CLSID\ = "{C514A18E-862A-45d3-8A5E-62CF54D912B6}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz\CLSID\ = "{C514A18E-862A-45d3-8A5E-62CF54D912B6}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\VersionIndependentProgID\ = "Office14.Authz" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\ = "IAuthz" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz\CurVer\ = "Office14.Authz.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\ = "IAuthz" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz.1\Insertable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\ = "Microsoft Office 14 Authorization Control" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Office14.Authz.1\ = "Microsoft Office 14 Authorization Control" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C514A18E-862A-45d3-8A5E-62CF54D912B6}\Version\ = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}\1.0\ = "Microsoft Office 14 Authorization Control 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D4BB23A-FDE6-4A95-A383-10F092CA43D7}\TypeLib\ = "{EA3E6E3C-5130-49C1-8EDE-F889CD0F4429}" regsvr32.exe