938d44be10097f59babeea2b2a388e8f71d663c4c543bb2bd599463f0a8b593b

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 13:58

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General

Target

Codecs/ColorFilter.dll
Size

141KB
MD5

fa098ed1394496b2ba53f1773f70d711
SHA1

6db54dfee27c70e61e3ef1d5374513c16fd602aa
SHA256

19b84b912d782333cfed1727e69da83846b77d7c90736b5621b438f9f50d107c
SHA512

74b2704dba6ace3fecca0dd6e790162b961ca9fb9ae6240aefb1f0d52959f58456c626378c745cbc155a8928d850614b8df6804b851e8d017c5ebeca01c17a8c
SSDEEP

3072:9ymeNWoqvzMcvAXQQ0vlvYKQptcabWQlHs69rDc92:wE1vzM8bvhs7lHs69A2

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 33 IoCs

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 348 wrote to memory of 2072	348	regsvr32.exe	30
PID 348 wrote to memory of 2072	348	regsvr32.exe	30
PID 348 wrote to memory of 2072	348	regsvr32.exe	30
PID 348 wrote to memory of 2072	348	regsvr32.exe	30
PID 348 wrote to memory of 2072	348	regsvr32.exe	30
PID 348 wrote to memory of 2072	348	regsvr32.exe	30
PID 348 wrote to memory of 2072	348	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\ColorFilter.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:348
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Codecs\ColorFilter.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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