bb54d934fb889f8ee44c4dfd86cec68b92a95415ad13b3068035f2ec6f381804

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 00:07

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General

Target

MP4转换器/codecs/aslcodec_dshow.dll
Size

116KB
MD5

2ae0a9de24933683c3f7cfe562dd1c18
SHA1

5645a8a9f6ac2464810027b382e24096da114d21
SHA256

e668d31692c44e88b52badd3c252a05418969d6d50a249ce1fc34d6679217d06
SHA512

30cf606a6542240d87276294a8ff3239db3eaadbbe9b8cc47ddb69b366310d2531375b5002e36349a722bc1981f1a1db733952864a6937a1a9a55d69a5072622
SSDEEP

3072:QRw2bNlvuf45oLn817DCrp3lVKxRGMDGD2hJm:QiIrvJ6LOM3Tu

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 23 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AED61C3B-C504-49D2-B06C-00F424D0D93E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MP4???\\codecs\\aslcodec_dshow.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}\CLSID = "{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}\FilterData = 0200000000002000020000000000000030706933000000000000000001000000000000000000000030747933000000006000000070000000317069330800000000000000010000000000000000000000307479330000000060000000700000007669647300001000800000aa00389b7100000000000000000000000000000000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MP4???\\codecs\\aslcodec_dshow.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AED61C3B-C504-49D2-B06C-00F424D0D93E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AED61C3B-C504-49D2-B06C-00F424D0D93E}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6B6B24E9-1941-4F20-BDC8-0CE6D1577AD2}\ = "Protection Property Page"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6B6B24E9-1941-4F20-BDC8-0CE6D1577AD2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MP4???\\codecs\\aslcodec_dshow.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6B6B24E9-1941-4F20-BDC8-0CE6D1577AD2}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\Instance\Alparysoft Lossless Codec	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}\ = "Alparysoft Lossless Codec"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AED61C3B-C504-49D2-B06C-00F424D0D93E}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6B6B24E9-1941-4F20-BDC8-0CE6D1577AD2}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\Instance\Alparysoft Lossless Codec\CLSID = "{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\Instance\Alparysoft Lossless Codec\FilterData = 0200000000002000020000000000000030706933000000000000000001000000000000000000000030747933000000006000000070000000317069330800000000000000010000000000000000000000307479330000000060000000700000007669647300001000800000aa00389b7100000000000000000000000000000000	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6B6B24E9-1941-4F20-BDC8-0CE6D1577AD2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AED61C3B-C504-49D2-B06C-00F424D0D93E}\ = "Alparysoft Lossless Codec Properties"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}\FriendlyName = "Alparysoft Lossless Codec"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\Instance\Alparysoft Lossless Codec\FriendlyName = "Alparysoft Lossless Codec"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7F9DE066-BF3D-4C17-86B7-33E43EBEAEF0}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2312	2276	regsvr32.exe	31
PID 2276 wrote to memory of 2312	2276	regsvr32.exe	31
PID 2276 wrote to memory of 2312	2276	regsvr32.exe	31
PID 2276 wrote to memory of 2312	2276	regsvr32.exe	31
PID 2276 wrote to memory of 2312	2276	regsvr32.exe	31
PID 2276 wrote to memory of 2312	2276	regsvr32.exe	31
PID 2276 wrote to memory of 2312	2276	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\aslcodec_dshow.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\aslcodec_dshow.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2312

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

Windows 7 deprecation

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