16a6baf82a2fb1c366cc6f94c382d55172e72855a5e435c898c6429aab2edd3c

Analysis

max time kernel
141s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 23:58

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General

Target

$COMMONFILES/PPLiveNetwork/player/CoreAAC.dll
Size

312KB
MD5

b0ffac757be8d6cc41e1131eb2b0d959
SHA1

0e41733a050bc2ed53fda6337d6501b9942317c2
SHA256

04bf38bbd9cb8287582f9a2fb8b06e0ab30f06f676a93f4a56656b576f10e597
SHA512

356ecf4902f767f74670e5fcd57f26fb8a43710d0a2b3a995877e6f265119b2f091c6e5e3457dfa1767c6e4043afc470cc7090f43dd997b27c0e94c7e102bee3
SSDEEP

6144:+yTbEUUmDAh189YEqbBpkJzJTba96sZTiaJfOMBfcESToVk:bxUmDAn4C9GBJba96sZTf9Oy+Wk

Score

1^/10

Malware Config

Signatures

Modifies registry class 19 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBFC1A2A-D3A2-4610-847D-26592022F86E}\ = "CoreAAC Audio Decoder Info"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4665E44B-8B9A-4515-A086-E94ECE374608}	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6AC7C19E-8CA0-4E3D-9A9F-2881DE29E0AC}\FilterData = 020000000000800002000000000000003070693300000000000000000200000000000000000000003074793300000000700000008000000031747933000000007000000090000000317069330800000000000000010000000000000000000000307479330000000070000000a00000006175647300001000800000aa00389b71ff00000000001000800000aa00389b714d50344100001000800000aa00389b710100000000001000800000aa00389b71	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6AC7C19E-8CA0-4E3D-9A9F-2881DE29E0AC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$COMMONFILES\\PPLiveNetwork\\player\\CoreAAC.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBFC1A2A-D3A2-4610-847D-26592022F86E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4665E44B-8B9A-4515-A086-E94ECE374608}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6AC7C19E-8CA0-4E3D-9A9F-2881DE29E0AC}\CLSID = "{6AC7C19E-8CA0-4E3D-9A9F-2881DE29E0AC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6AC7C19E-8CA0-4E3D-9A9F-2881DE29E0AC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6AC7C19E-8CA0-4E3D-9A9F-2881DE29E0AC}\ = "CoreAAC Audio Decoder"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6AC7C19E-8CA0-4E3D-9A9F-2881DE29E0AC}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4665E44B-8B9A-4515-A086-E94ECE374608}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$COMMONFILES\\PPLiveNetwork\\player\\CoreAAC.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6AC7C19E-8CA0-4E3D-9A9F-2881DE29E0AC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{6AC7C19E-8CA0-4E3D-9A9F-2881DE29E0AC}\FriendlyName = "CoreAAC Audio Decoder"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6AC7C19E-8CA0-4E3D-9A9F-2881DE29E0AC}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBFC1A2A-D3A2-4610-847D-26592022F86E}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBFC1A2A-D3A2-4610-847D-26592022F86E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$COMMONFILES\\PPLiveNetwork\\player\\CoreAAC.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBFC1A2A-D3A2-4610-847D-26592022F86E}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4665E44B-8B9A-4515-A086-E94ECE374608}\ = "CoreAAC Audio Decoder About"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4665E44B-8B9A-4515-A086-E94ECE374608}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 3400	1744	regsvr32.exe	85
PID 1744 wrote to memory of 3400	1744	regsvr32.exe	85
PID 1744 wrote to memory of 3400	1744	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$COMMONFILES\PPLiveNetwork\player\CoreAAC.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$COMMONFILES\PPLiveNetwork\player\CoreAAC.dll
  2⤵
  - Modifies registry class
  PID:3400

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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