8c081c225152b8bf0766c73f4159feb37e512428a0cfd0e7f514fb258bfa83de

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 06:19

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General

Target

msiav.dll
Size

38KB
MD5

a24e76ca4239c3a78167bb91bec3d90d
SHA1

278cc2265d905d0425a9b786a8c19cca4b788c72
SHA256

310cd1aee62329182ac01293774ea0611f7156f10f23c74e21d06f7e300d67c6
SHA512

ce60584a185587bca2bd912fdc8c6deaf33523ec8be8be0a9b6ea7b5885e14e294a7af1c61ebed858ef2232502f57c5197127617ace6cd2f00a4f088404c486b
SSDEEP

768:Cym6JPDJpb+UBzdTrCFk/MX4VdGkJmJr6pH:CpQpbPBtrqk/EKGvJr6pH

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\ = "MSInfo Audio/Video Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\ProgID\ = "MSIAV.MSIAVCtrl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib\ = "{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E4-AC49-11D0-B1C6-00AA00C1AC85}\ = "MSInfo Audio/Video Property Page"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E4-AC49-11D0-B1C6-00AA00C1AC85}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}\1.0\ = "MSInfo MSIAV Category module"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\ = "_DMSIAV"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\ = "_DMSIAVEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSIAV.MSIAVCtrl.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\ = "_DMSIAV"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSIAV.MSIAVCtrl.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib\ = "{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib\ = "{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSIAV.MSIAVCtrl.1\ = "MSInfo Audio/Video Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSIAV.MSIAVCtrl.1\CLSID\ = "{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib\ = "{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\MiscStatus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\msiav.dll, 1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E4-AC49-11D0-B1C6-00AA00C1AC85}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\msiav.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib\ = "{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}\1.0\FLAGS\ = "2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\Control\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\MiscStatus\1\ = "131473"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B32468E0-AC49-11D0-B1C6-00AA00C1AC85}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\msiav.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E1-AC49-11D0-B1C6-00AA00C1AC85}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32468E2-AC49-11D0-B1C6-00AA00C1AC85}\ = "_DMSIAVEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E4-AC49-11D0-B1C6-00AA00C1AC85}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\msiav.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B32468E3-AC49-11D0-B1C6-00AA00C1AC85}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2296	2280	regsvr32.exe	31
PID 2280 wrote to memory of 2296	2280	regsvr32.exe	31
PID 2280 wrote to memory of 2296	2280	regsvr32.exe	31
PID 2280 wrote to memory of 2296	2280	regsvr32.exe	31
PID 2280 wrote to memory of 2296	2280	regsvr32.exe	31
PID 2280 wrote to memory of 2296	2280	regsvr32.exe	31
PID 2280 wrote to memory of 2296	2280	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\msiav.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\msiav.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2296

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

Windows 7 deprecation

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