4fbdde800542ed7446db9a2a87ee0da5a8479f547779aa138a4d3f5a17343677

Analysis

max time kernel
140s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2025, 02:39

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General

Target

Codecs/Haali/Haalisplitter.dll
Size

540KB
MD5

c8534d058ca2ceb3724296ac1074c18e
SHA1

0c3dcf98d5ce9d064ef2e22cae554a203af10c68
SHA256

5ce60a851d91d3960f350c8a73ccd2b3b95569af514d7031bdfcb216aab65e6b
SHA512

c02f515ff2d6e8cc481fd443839d4b0839fa8f1453b823633c5c1e2ef1effc2e9f9ef33e682d98453db3fd613d63a89da6ee00db075c0e178f5ff72ab82614ff
SSDEEP

12288:7PYw+5YwnUcduPa9iBGNag2IExyiFjgf4EMvT:L73cd99RNAIExxFW45vT

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 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{8F43B7D9-9D6B-4F48-BE18-4D787C795EEA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{F13D3732-96BD-4108-AFEB-E85F68FF64DC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{49952F4C-3EDC-4A9B-8906-1DE02A3D4BC2}\1 = "0,4,,52494646,8,4,,43445841,36,4,,64617461,68,4,,1A45DFA3"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{8F43B7D9-9D6B-4F48-BE18-4D787C795EEA}\FilterData = 02000000000020000100000000000000307069330c00000000000000000000000000000000000000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{564FD788-86C9-4444-971E-CC4A243DA150}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F13D3732-96BD-4108-AFEB-E85F68FF64DC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\Haali\\Haalisplitter.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F13D3732-96BD-4108-AFEB-E85F68FF64DC}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}\FilterData = 02000000010080000100000000000000307069330c00000000000000000000000000000000000000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F43B7D9-9D6B-4F48-BE18-4D787C795EEA}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{564FD788-86C9-4444-971E-CC4A243DA150}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A28F324B-DDC5-4999-AA25-D3A7E25EF7A8}\ = "Haali Matroska Muxer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A28F324B-DDC5-4999-AA25-D3A7E25EF7A8}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{90C7D10E-CE9A-479B-A238-1A0F2396DE43}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}\CLSID = "{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{8F43B7D9-9D6B-4F48-BE18-4D787C795EEA}\FriendlyName = "Haali Simple Media Splitter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{564FD788-86C9-4444-971E-CC4A243DA150}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A28F324B-DDC5-4999-AA25-D3A7E25EF7A8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\Haali\\Haalisplitter.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{F13D3732-96BD-4108-AFEB-E85F68FF64DC}\CLSID = "{F13D3732-96BD-4108-AFEB-E85F68FF64DC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F13D3732-96BD-4108-AFEB-E85F68FF64DC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{90C7D10E-CE9A-479B-A238-1A0F2396DE43}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{49952F4C-3EDC-4A9B-8906-1DE02A3D4BC2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\Extensions\.mks\Source Filter = "{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{564FD788-86C9-4444-971E-CC4A243DA150}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\Haali\\Haalisplitter.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{895322C5-84A1-450C-8478-C57793CAE86F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{895322C5-84A1-450C-8478-C57793CAE86F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\Haali\\Haalisplitter.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{49952F4C-3EDC-4A9B-8906-1DE02A3D4BC2}\Source Filter = "{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\Extensions\.mks	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{564FD788-86C9-4444-971E-CC4A243DA150}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B63A013-DC2C-462E-9292-CAF8C867100F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\Haali\\Haalisplitter.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F13D3732-96BD-4108-AFEB-E85F68FF64DC}\InprocServer32	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{F13D3732-96BD-4108-AFEB-E85F68FF64DC}\FilterData = 02000000000020000100000000000000307069330000000000000000010000000000000000000000307479330000000038000000480000007669647300001000800000aa00389b7100000000000000000000000000000000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\Extensions\.mkv\Source Filter = "{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B63A013-DC2C-462E-9292-CAF8C867100F}\ = "Haali Media Splitter about page"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{895322C5-84A1-450C-8478-C57793CAE86F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F13D3732-96BD-4108-AFEB-E85F68FF64DC}\ = "Haali Video Sink"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{A28F324B-DDC5-4999-AA25-D3A7E25EF7A8}\CLSID = "{A28F324B-DDC5-4999-AA25-D3A7E25EF7A8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\http\Extensions\.mks = "{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{90C7D10E-CE9A-479B-A238-1A0F2396DE43}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\Haali\\Haalisplitter.dll"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{564FD788-86C9-4444-971E-CC4A243DA150}\FilterData = 02000000000040000200000000000000307069330c000000000000000000000000000000000000003170693300000000000000000100000000000000000000003074793300000000500000006000000083eb36e44f52ce119f530020af0ba7704c2f9549dc3e9b4a89061de02a3d4bc2	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}\ = "Haali Media Splitter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F43B7D9-9D6B-4F48-BE18-4D787C795EEA}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\Extensions\.mkv	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{564FD788-86C9-4444-971E-CC4A243DA150}\CLSID = "{564FD788-86C9-4444-971E-CC4A243DA150}"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{A28F324B-DDC5-4999-AA25-D3A7E25EF7A8}\FilterData = 020000000000200001000000000000003070693300000000000000000100000000000000000000003074793300000000380000003800000000000000000000000000000000000000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{49952F4C-3EDC-4A9B-8906-1DE02A3D4BC2}\0 = "0,4,,1A45DFA3"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\Haali\\Haalisplitter.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F43B7D9-9D6B-4F48-BE18-4D787C795EEA}\ = "Haali Simple Media Splitter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{564FD788-86C9-4444-971E-CC4A243DA150}\ = "Haali Media Splitter (AR)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A28F324B-DDC5-4999-AA25-D3A7E25EF7A8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A28F324B-DDC5-4999-AA25-D3A7E25EF7A8}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{564FD788-86C9-4444-971E-CC4A243DA150}\FriendlyName = "Haali Media Splitter (AR)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{A28F324B-DDC5-4999-AA25-D3A7E25EF7A8}\FriendlyName = "Haali Matroska Muxer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\Extensions	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\Extensions\.mka	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{895322C5-84A1-450C-8478-C57793CAE86F}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{8F43B7D9-9D6B-4F48-BE18-4D787C795EEA}\CLSID = "{8F43B7D9-9D6B-4F48-BE18-4D787C795EEA}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{A28F324B-DDC5-4999-AA25-D3A7E25EF7A8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\Extensions\.mka\Source Filter = "{55DA30FC-F16B-49FC-BAA5-AE59FC65F82D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B63A013-DC2C-462E-9292-CAF8C867100F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B63A013-DC2C-462E-9292-CAF8C867100F}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{90C7D10E-CE9A-479B-A238-1A0F2396DE43}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 3076	468	regsvr32.exe	86
PID 468 wrote to memory of 3076	468	regsvr32.exe	86
PID 468 wrote to memory of 3076	468	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\Haali\Haalisplitter.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:468
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Codecs\Haali\Haalisplitter.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3076

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

Replay Monitor

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Downloads

memory/3076-0-0x0000000000BE0000-0x0000000000BF7000-memory.dmp

Filesize
92KB

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