1f2405740435571205a1a46fb269655fd16c471c339e9955497d9d4269f384b7

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/07/2024, 03:32

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General

Target

Codecs/ColorFilter.dll
Size

141KB
MD5

fa098ed1394496b2ba53f1773f70d711
SHA1

6db54dfee27c70e61e3ef1d5374513c16fd602aa
SHA256

19b84b912d782333cfed1727e69da83846b77d7c90736b5621b438f9f50d107c
SHA512

74b2704dba6ace3fecca0dd6e790162b961ca9fb9ae6240aefb1f0d52959f58456c626378c745cbc155a8928d850614b8df6804b851e8d017c5ebeca01c17a8c
SSDEEP

3072:9ymeNWoqvzMcvAXQQ0vlvYKQptcabWQlHs69rDc92:wE1vzM8bvhs7lHs69A2

Score

1^/10

Malware Config

Signatures

Modifies registry class 33 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89B2C28D-779F-4704-AD29-113B0977E8A5}\ = "Sound Contrast Property Page"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89B2C28D-779F-4704-AD29-113B0977E8A5}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\FriendlyName = "SoundFilter"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\FilterData = 0200000000002000020000000000000030706933000000000000000001000000000000000000000030747933000000006000000070000000317069330800000000000000010000000000000000000000307479330000000060000000700000006175647300001000800000aa00389b710100000000001000800000aa00389b71	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AF54DF04-9597-4B3D-947A-3A7A7F29C0E9}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\ColorFilter.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AF54DF04-9597-4B3D-947A-3A7A7F29C0E9}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{432F118C-DB79-4561-9799-CC95EA78208B}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AF54DF04-9597-4B3D-947A-3A7A7F29C0E9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{432F118C-DB79-4561-9799-CC95EA78208B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{432F118C-DB79-4561-9799-CC95EA78208B}\ = "Sub Property Page"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89B2C28D-779F-4704-AD29-113B0977E8A5}	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6F6C6F63-0000-0010-8000-00AA00389B71}\FilterData = 0200000000002000020000000000000030706933000000000000000001000000000000000000000030747933000000006000000070000000317069330800000000000000010000000000000000000000307479330000000060000000700000007669647300001000800000aa00389b7100000000000000000000000000000000	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6F6C6F63-0000-0010-8000-00AA00389B71}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6F6C6F63-0000-0010-8000-00AA00389B71}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6F6C6F63-0000-0010-8000-00AA00389B71}\FriendlyName = "ColorFilter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{432F118C-DB79-4561-9799-CC95EA78208B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\ColorFilter.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\ColorFilter.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\ = "SoundFilter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89B2C28D-779F-4704-AD29-113B0977E8A5}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89B2C28D-779F-4704-AD29-113B0977E8A5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\ColorFilter.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6F6C6F63-0000-0010-8000-00AA00389B71}\CLSID = "{6F6C6F63-0000-0010-8000-00AA00389B71}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\CLSID = "{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6F6C6F63-0000-0010-8000-00AA00389B71}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\ColorFilter.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AF54DF04-9597-4B3D-947A-3A7A7F29C0E9}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AF54DF04-9597-4B3D-947A-3A7A7F29C0E9}\ = "Video Contrast Property Page"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{432F118C-DB79-4561-9799-CC95EA78208B}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6F6C6F63-0000-0010-8000-00AA00389B71}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6F6C6F63-0000-0010-8000-00AA00389B71}\ = "ColorFilter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6F6C6F63-0000-0010-8000-00AA00389B71}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 1716	2088	regsvr32.exe	31
PID 2088 wrote to memory of 1716	2088	regsvr32.exe	31
PID 2088 wrote to memory of 1716	2088	regsvr32.exe	31
PID 2088 wrote to memory of 1716	2088	regsvr32.exe	31
PID 2088 wrote to memory of 1716	2088	regsvr32.exe	31
PID 2088 wrote to memory of 1716	2088	regsvr32.exe	31
PID 2088 wrote to memory of 1716	2088	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\ColorFilter.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Codecs\ColorFilter.dll
  2⤵
  - Modifies registry class
  PID:1716

Analysis

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Malware Config

Signatures

Processes

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MITRE ATT&CK Matrix

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