ca1c849035c31f8ca132aedfe93e4d3b32c18c90740c7626862b871ff7c249d9

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 17:28

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General

Target

Codecs/ColorFilter.dll
Size

136KB
MD5

8d6cba3f531cd14ff1281e77723cc7a5
SHA1

3790a27c45e9dd0ecd2ca870213b525b67111ca2
SHA256

5cd9bd8e302c000c7d219aa42d82c36d848f72500534ad60e5c77a3a252d668f
SHA512

eaaf352517f3ab5c677bd03490e0eb83ff26f55f7a5a3995dc76b4bd05f5cacfd71b870f0f3963f102288396a3407c1758468e4f633f2650a3d68f64ac7d0c24
SSDEEP

3072:TymeNWoqvzMcvAXQQ0vlvYKQptcabWQlHs69rDc:yE1vzM8bvhs7lHs69

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\{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\{6F6C6F63-0000-0010-8000-00AA00389B71}\InprocServer32\ThreadingModel = "Both"	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}\InprocServer32\ThreadingModel = "Both"	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\{432F118C-DB79-4561-9799-CC95EA78208B}	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\{89B2C28D-779F-4704-AD29-113B0977E8A5}\ = "Sound Contrast Property Page"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6F6C6F63-0000-0010-8000-00AA00389B71}	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\{432F118C-DB79-4561-9799-CC95EA78208B}\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}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\ = "SoundFilter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432F118C-DB79-4561-9799-CC95EA78208B}\ = "Sub Property Page"	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\{AF54DF04-9597-4B3D-947A-3A7A7F29C0E9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF54DF04-9597-4B3D-947A-3A7A7F29C0E9}\ = "Video Contrast Property Page"	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\ThreadingModel = "Both"	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\{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
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 (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\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\InprocServer32	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}\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\{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\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\FriendlyName = "SoundFilter"	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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6E756F73-15A3-4ECE-98C0-D9CD2744F5A8}\FilterData = 0200000000002000020000000000000030706933000000000000000001000000000000000000000030747933000000006000000070000000317069330800000000000000010000000000000000000000307479330000000060000000700000006175647300001000800000aa00389b710100000000001000800000aa00389b71	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 3856	4472	regsvr32.exe	84
PID 4472 wrote to memory of 3856	4472	regsvr32.exe	84
PID 4472 wrote to memory of 3856	4472	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\ColorFilter.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4472
- 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:3856

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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