f0595b6040ec289b66c7d9cf1303d6a9de37956cf3ed3b4ae0e38f7398d7afef

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 11:16

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General

Target

CMCT3CHS.dll
Size

24KB
MD5

086da624ef190a928443eaa300151e35
SHA1

b73aa55dd2e8ae9b5302d1716325388aa4d41b0c
SHA256

7509e7fa473ab25c7cc32035462fa76a9cac7d55896c020d6f457d99ab3d3925
SHA512

68c749c3e6abec1ae279be208d1946d34ccd9b51dd35b5a778f771ff86957e4067a14dc243418274d8665116ececd6fb03436e235bfd5006dc70ad3e4d7f2f4e
SSDEEP

384:/gzqTypr86tXXss8oh6cqGAqQ/yrqcYQzWGZCWo2y71o:Vk8Wns4AArqcYpJ71

Score

1^/10

Malware Config

Signatures

Modifies registry class 44 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\ = "Resources"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\VERSION\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CMCT3CHS.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ComCtl3Satellite.Resources\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\ = "ComCtl3Satellite.Resources"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}\1.0\ = "Microsoft Windows Common Controls Satellite-3 6.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ComCtl3Satellite.Resources\ = "ComCtl3Satellite.Resources"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\ProgID\ = "ComCtl3Satellite.Resources"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\VERSION	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CMCT3CHS.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\ = "_Resources"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\TypeLib\ = "{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\TypeLib\ = "{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ComCtl3Satellite.Resources\Clsid\ = "{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\TypeLib\ = "{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ComCtl3Satellite.Resources	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{9C5CC5CC-D3BC-11D0-84A2-00DD01104159}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C5CC5CA-D3BC-11D0-84A2-00DD01104159}\ = "_Resources"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9C5CC5CB-D3BC-11D0-84A2-00DD01104159}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 1732	2988	regsvr32.exe	28
PID 2988 wrote to memory of 1732	2988	regsvr32.exe	28
PID 2988 wrote to memory of 1732	2988	regsvr32.exe	28
PID 2988 wrote to memory of 1732	2988	regsvr32.exe	28
PID 2988 wrote to memory of 1732	2988	regsvr32.exe	28
PID 2988 wrote to memory of 1732	2988	regsvr32.exe	28
PID 2988 wrote to memory of 1732	2988	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\CMCT3CHS.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\CMCT3CHS.dll
  2⤵
  - Modifies registry class
  PID:1732

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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