613e2610f5d51ecd11ee5ff5d1ed32b331af678e4e5e64f2b2a544787a97cea7

Analysis

max time kernel
95s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2024 23:39

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General

Target

Codecs/MpaSplitter.dll
Size

328KB
MD5

5bbb7c74b02c3beefbf5b1e53d4d49e6
SHA1

896d7c4511b010fccfeccdc82d6f0abc72983986
SHA256

f83ca0820372bb63d4f14a13cc42455c30b8b18ff5e88fd3c31ec61088f0f9ff
SHA512

ae00c74f38ffafcd64b897dd05e4c879fdf7ee0c89355fd3a5e153b80e0cfc0cdd861129f29171be675912e252df7867ba2d1ea2eab2d40326b6620d797a47b8
SSDEEP

6144:kSiuusWG//Emlmb6nrJqTyItAc99DysiqmGKq:kLuusWGESrJqTyIecfirGK

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 21 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{E436EB87-524F-11CE-9F53-0020AF0BA770}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{0E9D4BF7-CBCB-46C7-BD80-4EF223A3DC2B}\FriendlyName = "MPC - Mpa Splitter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{0E9D4BF7-CBCB-46C7-BD80-4EF223A3DC2B}\CLSID = "{0E9D4BF7-CBCB-46C7-BD80-4EF223A3DC2B}"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{0E9D4BF7-CBCB-46C7-BD80-4EF223A3DC2B}\FilterData = 02000000010060000200000000000000307069330000000000000000020000000000000000000000307479330000000060000000700000003174793300000000600000008000000031706933080000000000000000000000000000000000000083eb36e44f52ce119f530020af0ba77087eb36e44f52ce119f530020af0ba77000000000000000000000000000000000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{59A0DB73-0287-4C9A-9D3C-8CFF39F8E5DB}\FriendlyName = "MPC - Mpa Source"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E9D4BF7-CBCB-46C7-BD80-4EF223A3DC2B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E9D4BF7-CBCB-46C7-BD80-4EF223A3DC2B}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{59A0DB73-0287-4C9A-9D3C-8CFF39F8E5DB}	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{59A0DB73-0287-4C9A-9D3C-8CFF39F8E5DB}\FilterData = 02000000010060000000000000000000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E9D4BF7-CBCB-46C7-BD80-4EF223A3DC2B}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{59A0DB73-0287-4C9A-9D3C-8CFF39F8E5DB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\MpaSplitter.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{59A0DB73-0287-4C9A-9D3C-8CFF39F8E5DB}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{0E9D4BF7-CBCB-46C7-BD80-4EF223A3DC2B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E9D4BF7-CBCB-46C7-BD80-4EF223A3DC2B}\ = "MPC - Mpa Splitter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E9D4BF7-CBCB-46C7-BD80-4EF223A3DC2B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\MpaSplitter.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{59A0DB73-0287-4C9A-9D3C-8CFF39F8E5DB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{59A0DB73-0287-4C9A-9D3C-8CFF39F8E5DB}\ = "MPC - Mpa Source"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{59A0DB73-0287-4C9A-9D3C-8CFF39F8E5DB}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{59A0DB73-0287-4C9A-9D3C-8CFF39F8E5DB}\CLSID = "{59A0DB73-0287-4C9A-9D3C-8CFF39F8E5DB}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 3456	5112	regsvr32.exe	84
PID 5112 wrote to memory of 3456	5112	regsvr32.exe	84
PID 5112 wrote to memory of 3456	5112	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\MpaSplitter.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Codecs\MpaSplitter.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3456

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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