f0595b6040ec289b66c7d9cf1303d6a9de37956cf3ed3b4ae0e38f7398d7afef

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 11:16

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General

Target

COMCT332.dll
Size

405KB
MD5

821ab1f1cf9904cb9026c686f13f0f05
SHA1

398f64c00b026d1c6d94a6efd180f20c010f5ee9
SHA256

332e6a1cb4bf722092f9e774ecc14acddbf95a9655bea021681b11aac37ac716
SHA512

d63c0facd14adfca4e7e1e6d99d1fd1c2be89c2c03e9835c506418a6a3facb745888062bdf97cdab0ad67cc8bccb385ae10955f58150d9c4ac4a7c61e5c1e559
SSDEEP

6144:dLIXG/SBt0iiVoY/pWEKDzPJxPPUIK1qDqNw:gG/vCY/M5hM8q6

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D8D-E448-11D0-84A3-00DD01104159}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5522DB04-06D6-11D2-8D70-00A0C98B28E2}\ = "ComCtl3.BandProperties"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5522DB04-06D6-11D2-8D70-00A0C98B28E2}\VERSION\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D9C-E448-11D0-84A3-00DD01104159}\ProxyStubClsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DAF9-06D6-11D2-8D70-00A0C98B28E2}\ = "Bands"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DAF7-06D6-11D2-8D70-00A0C98B28E2}\ = "_Band"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D8D-E448-11D0-84A3-00DD01104159}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D9C-E448-11D0-84A3-00DD01104159}\Forward\ = "{5522DB03-06D6-11D2-8D70-00A0C98B28E2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5522DAFA-06D6-11D2-8D70-00A0C98B28E2}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D8F-E448-11D0-84A3-00DD01104159}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D96-E448-11D0-84A3-00DD01104159}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38911D92-E448-11D0-84A3-00DD01104159}\VERSION\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D8D-E448-11D0-84A3-00DD01104159}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DB03-06D6-11D2-8D70-00A0C98B28E2}\ = "BandProperties"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5522DAF8-06D6-11D2-8D70-00A0C98B28E2}\VERSION	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5522DAF7-06D6-11D2-8D70-00A0C98B28E2}\ = "_Band"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D8F-E448-11D0-84A3-00DD01104159}\ = "_BandsPage"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D8D-E448-11D0-84A3-00DD01104159}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ComCtl3.Bands\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DAF7-06D6-11D2-8D70-00A0C98B28E2}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ComCtl3.CoolBar\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D8F-E448-11D0-84A3-00DD01104159}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D96-E448-11D0-84A3-00DD01104159}\TypeLib\ = "{38911DA0-E448-11D0-84A3-00DD01104159}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5522DAF7-06D6-11D2-8D70-00A0C98B28E2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D8D-E448-11D0-84A3-00DD01104159}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5522DAFA-06D6-11D2-8D70-00A0C98B28E2}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D8D-E448-11D0-84A3-00DD01104159}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5522DAF8-06D6-11D2-8D70-00A0C98B28E2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ComCtl3.CoolBar	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D9C-E448-11D0-84A3-00DD01104159}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ComCtl3.CoolBar\ = "Microsoft Coolbar Control, version 6.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DAF7-06D6-11D2-8D70-00A0C98B28E2}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DB03-06D6-11D2-8D70-00A0C98B28E2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38911D8E-E448-11D0-84A3-00DD01104159}\ = "ComCtl3.CoolBarPage"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D8A-E448-11D0-84A3-00DD01104159}\ProxyStubClsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38911D92-E448-11D0-84A3-00DD01104159}\ProgID\ = "ComCtl3.CoolBar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{38911DA0-E448-11D0-84A3-00DD01104159}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DB03-06D6-11D2-8D70-00A0C98B28E2}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D8F-E448-11D0-84A3-00DD01104159}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38911D90-E448-11D0-84A3-00DD01104159}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38911D92-E448-11D0-84A3-00DD01104159}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D91-E448-11D0-84A3-00DD01104159}\TypeLib\ = "{38911DA0-E448-11D0-84A3-00DD01104159}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D96-E448-11D0-84A3-00DD01104159}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38911D92-E448-11D0-84A3-00DD01104159}\Required Categories\{D40C2700-FFA1-11CF-8234-00AA00C1AB85}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DAF9-06D6-11D2-8D70-00A0C98B28E2}\ = "_Bands"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D8F-E448-11D0-84A3-00DD01104159}\TypeLib\ = "{38911DA0-E448-11D0-84A3-00DD01104159}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{38911D92-E448-11D0-84A3-00DD01104159}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D91-E448-11D0-84A3-00DD01104159}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DAF7-06D6-11D2-8D70-00A0C98B28E2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5522DAF7-06D6-11D2-8D70-00A0C98B28E2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DAF9-06D6-11D2-8D70-00A0C98B28E2}\TypeLib\ = "{38911DA0-E448-11D0-84A3-00DD01104159}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D8A-E448-11D0-84A3-00DD01104159}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5522DAFA-06D6-11D2-8D70-00A0C98B28E2}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D91-E448-11D0-84A3-00DD01104159}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5522DAF8-06D6-11D2-8D70-00A0C98B28E2}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D91-E448-11D0-84A3-00DD01104159}\TypeLib\ = "{38911DA0-E448-11D0-84A3-00DD01104159}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{38911DA0-E448-11D0-84A3-00DD01104159}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\COMCT332.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D8D-E448-11D0-84A3-00DD01104159}\TypeLib\ = "{38911DA0-E448-11D0-84A3-00DD01104159}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{38911D87-E448-11D0-84A3-00DD01104159}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{38911DA0-E448-11D0-84A3-00DD01104159}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5522DAF7-06D6-11D2-8D70-00A0C98B28E2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5522DB03-06D6-11D2-8D70-00A0C98B28E2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5522DB03-06D6-11D2-8D70-00A0C98B28E2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{38911D8D-E448-11D0-84A3-00DD01104159}\ = "_CoolBarPage"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3376 wrote to memory of 4120	3376	regsvr32.exe	89
PID 3376 wrote to memory of 4120	3376	regsvr32.exe	89
PID 3376 wrote to memory of 4120	3376	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\COMCT332.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3376
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\COMCT332.dll
  2⤵
  - Modifies registry class
  PID:4120

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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