e9d38d00a5804b05b6a6655743b2864c18f2099dfe22409cecb9b8084bdffb6d

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2024 03:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Hao_HZSKB/RICHTX32.dll
Size

207KB
MD5

045a16822822426c305ea7280270a3d6
SHA1

43075b6696bb2d2f298f263971d4d3e48aa4f561
SHA256

318cc48cbcfaba9592956e4298886823cc5f37626c770d6dadbcd224849680c5
SHA512

5a042ff0a05421fb01e0a95a8b62f3ce81f90330daed78f09c7d5d2abcb822a2fe99d00494c3ddd96226287fae51367e264b48b2831a8c080916ce18c0a675fa
SSDEEP

6144:hTr80hTueZXFOTSqP0xqRBTdtmFdCJErRj6/uE:NhzZVOTSqcxqRBKFdF6/uE

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\Implemented Categories\{0DE86A57-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\ = "IVBDataObjectFiles"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl\CLSID\ = "{3B7C8860-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78E5A540-1850-11CF-9D53-00AA003C9CB6}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\ = "Microsoft Rich Textbox Control 6.0 (SP6)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}\TypeLib\Version = "1.2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B617B991-A767-4F05-99BA-AC6FCABB102E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\Implemented Categories\{0DE86A53-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib\Version = "1.2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{859321D0-3FD1-11CF-8981-00AA00688B10}\ = "IOLEObjects"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{859321D0-3FD1-11CF-8981-00AA00688B10}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Hao_HZSKB\\RICHTX32.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl\ = "Microsoft Rich Textbox Control 6.0 (SP6)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\MiscStatus\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Hao_HZSKB\\RICHTX32.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\TypeLib\Version = "1.2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B617B991-A767-4F05-99BA-AC6FCABB102E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Hao_HZSKB\\RICHTX32.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\FLAGS\ = "2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{859321D0-3FD1-11CF-8981-00AA00688B10}\TypeLib\Version = "1.2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\ = "IOLEObject"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib\Version = "1.2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\TypeLib\Version = "1.2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{859321D0-3FD1-11CF-8981-00AA00688B10}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}\TypeLib\Version = "1.2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}\ = "IRichText"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\MiscStatus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78E5A540-1850-11CF-9D53-00AA003C9CB6}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\ = "IOLEObject"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}\ = "DRichTextEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\Implemented Categories\{0DE86A52-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl\CurVer\ = "RICHTEXT.RichtextCtrl.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Hao_HZSKB\\RICHTX32.dll, 1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B617B991-A767-4F05-99BA-AC6FCABB102E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 3680	2756	regsvr32.exe	83
PID 2756 wrote to memory of 3680	2756	regsvr32.exe	83
PID 2756 wrote to memory of 3680	2756	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Hao_HZSKB\RICHTX32.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Hao_HZSKB\RICHTX32.dll
  2⤵
  - Modifies registry class
  PID:3680

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads