d8a387313a1a41c983729bf989d7c99fe92315884cd1327da210b65c173e9574

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 15:47

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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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}	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\{432F118C-DB79-4561-9799-CC95EA78208B}\InprocServer32\ThreadingModel = "Both"	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\{6F6C6F63-0000-0010-8000-00AA00389B71}	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\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6F6C6F63-0000-0010-8000-00AA00389B71}\CLSID = "{6F6C6F63-0000-0010-8000-00AA00389B71}"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89B2C28D-779F-4704-AD29-113B0977E8A5}\InprocServer32	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\{6F6C6F63-0000-0010-8000-00AA00389B71}\ = "ColorFilter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF54DF04-9597-4B3D-947A-3A7A7F29C0E9}\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}	regsvr32.exe
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\ = "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\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\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
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}\InprocServer32	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\{6F6C6F63-0000-0010-8000-00AA00389B71}\InprocServer32	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\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\FriendlyName = "SoundFilter"	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\{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\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\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\{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\{432F118C-DB79-4561-9799-CC95EA78208B}\ = "Sub Property Page"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 5076	1136	regsvr32.exe	85
PID 1136 wrote to memory of 5076	1136	regsvr32.exe	85
PID 1136 wrote to memory of 5076	1136	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\ColorFilter.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Codecs\ColorFilter.dll
  2⤵
  - Modifies registry class
  PID:5076

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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