05b83fe3c961a52758f8feba4639689fa10dff21ef0a70d8f642e915f484376a

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 11:38

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General

Target

OFW1_SDK/Demo_VB_CN/OFW1_OCX.dll
Size

68KB
MD5

67321bb6377d41085f8dee97597d63e1
SHA1

b51ebf6071921cb896b14dc75bdced709a88804e
SHA256

b79c9c24e80a5fce64d0e2a578397fe0f303991f113e77c2c8a1abed4c483d7d
SHA512

b2ae0f93297981eaba97d3ade12bbca2c53636e15c3307822d69e64eefed892d78d960ef8f24bf261abc6b7cb727afe2fadc1647821278ead70904304f55db78
SSDEEP

1536:oOmKGbn2/a81wZ1Ymo64mIihupKtR8Nhx29yfuYSAWYiwefntb5Lga3ZLUnO9:oOmKGD+a81NpKtR8Tx29yEMa9

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\{994329EC-FE57-4C14-A387-774B8DFD81B5}\TypeLib\Version = "3.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\Control	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\VERSION	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OFW1.OFW1_OCX\Clsid\ = "{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\Implemented Categories\{0DE86A57-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\ = "OFW1.OFW1_OCX"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\ = "_OFW1_OCX"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{B682A296-E987-46ED-B075-671BB37E25B5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OFW1.OFW1_OCX\ = "OFW1.OFW1_OCX"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{B682A296-E987-46ED-B075-671BB37E25B5}\3.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{B682A296-E987-46ED-B075-671BB37E25B5}\3.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\OFW1_SDK\\Demo_VB_CN"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\ = "__OFW1_OCX"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\TypeLib\Version = "3.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\ = "__OFW1_OCX"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\OFW1_SDK\\Demo_VB_CN\\OFW1_OCX.dll, 30000"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\Implemented Categories\{0DE86A53-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\TypeLib\Version = "3.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\ProgID\ = "OFW1.OFW1_OCX"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\OFW1_SDK\\Demo_VB_CN\\OFW1_OCX.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\Control\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{B682A296-E987-46ED-B075-671BB37E25B5}\3.0\ = "OFW1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\TypeLib\ = "{B682A296-E987-46ED-B075-671BB37E25B5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\MiscStatus\1\ = "131473"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\ = "OFW1_OCX"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{B682A296-E987-46ED-B075-671BB37E25B5}\3.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\TypeLib\ = "{B682A296-E987-46ED-B075-671BB37E25B5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\TypeLib\ = "{B682A296-E987-46ED-B075-671BB37E25B5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\MiscStatus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OFW1.OFW1_OCX	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\TypeLib\ = "{B682A296-E987-46ED-B075-671BB37E25B5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\Implemented Categories\{0DE86A52-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\TypeLib\ = "{B682A296-E987-46ED-B075-671BB37E25B5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{B682A296-E987-46ED-B075-671BB37E25B5}\3.0\FLAGS\ = "2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{B682A296-E987-46ED-B075-671BB37E25B5}\3.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\ = "_OFW1_OCX"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\ = "OFW1_OCX"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{994329EC-FE57-4C14-A387-774B8DFD81B5}\ProxyStubClsid\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5D1A04F8-9F92-4162-AE97-2AD7E545B4C1}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D7EFB57-CE66-4649-A4D7-607F7B6FEAB3}\Implemented Categories\{40FC6ED4-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{B682A296-E987-46ED-B075-671BB37E25B5}\3.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\OFW1_SDK\\Demo_VB_CN\\OFW1_OCX.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 964	2552	regsvr32.exe	30
PID 2552 wrote to memory of 964	2552	regsvr32.exe	30
PID 2552 wrote to memory of 964	2552	regsvr32.exe	30
PID 2552 wrote to memory of 964	2552	regsvr32.exe	30
PID 2552 wrote to memory of 964	2552	regsvr32.exe	30
PID 2552 wrote to memory of 964	2552	regsvr32.exe	30
PID 2552 wrote to memory of 964	2552	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\OFW1_SDK\Demo_VB_CN\OFW1_OCX.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\OFW1_SDK\Demo_VB_CN\OFW1_OCX.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:964

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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