d24d1726864be6bf4458f9c23ab89c03506bbb7d662cb68c27dff4c97e560e91

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
06-07-2024 07:13

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General

Target

bin/CoreAVC0.dll
Size

186KB
MD5

75d137762c16c0790ddc2c5c844d788a
SHA1

7f3bc28c0df5532f13ef8cfa599bd67ba1b5a647
SHA256

36837a8b77a3241dbf30df4a002a4653555ad7fdadad68311c7a4171b2ede478
SHA512

18d7eca49e715d3b4af0cf64c8c19dd6993bcb458fff85f0df852b881b6b314f2d2c351812fcfbdfebf95bc7fb7b1adc8a4cefdf40fd29b82076c4629ebe22b3
SSDEEP

3072:sFX0fCcmjZvyTdndzMryzKdvYQ/5c0q3ARsK/l74obxK7Dtp0XRHSOg9lX9cWR83:sEKpZY2r3VYQ/c0d7Hbw7pp0X8hlX6Wc

Score

1^/10

Malware Config

Signatures

Modifies registry class 19 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}\FriendlyName = "CoreAVC Video Decoder"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}\FilterData = 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	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F23B1F18-CB1A-47ED-A1FE-B60494A626D0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bin\\CoreAVC0.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bin\\CoreAVC0.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{345CAA15-4F12-4A28-AFE9-383625563A83}\ = "CoreAVC Video Decoder About"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{345CAA15-4F12-4A28-AFE9-383625563A83}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bin\\CoreAVC0.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}\CLSID = "{09571A4B-F1FE-4C60-9760-DE6D310C7C31}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}\ = "CoreAVC Video Decoder"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{345CAA15-4F12-4A28-AFE9-383625563A83}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{345CAA15-4F12-4A28-AFE9-383625563A83}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{345CAA15-4F12-4A28-AFE9-383625563A83}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F23B1F18-CB1A-47ED-A1FE-B60494A626D0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F23B1F18-CB1A-47ED-A1FE-B60494A626D0}\ = "CoreAVC Video Decoder Info"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F23B1F18-CB1A-47ED-A1FE-B60494A626D0}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F23B1F18-CB1A-47ED-A1FE-B60494A626D0}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 1676	1616	regsvr32.exe	30
PID 1616 wrote to memory of 1676	1616	regsvr32.exe	30
PID 1616 wrote to memory of 1676	1616	regsvr32.exe	30
PID 1616 wrote to memory of 1676	1616	regsvr32.exe	30
PID 1616 wrote to memory of 1676	1616	regsvr32.exe	30
PID 1616 wrote to memory of 1676	1616	regsvr32.exe	30
PID 1616 wrote to memory of 1676	1616	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bin\CoreAVC0.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\bin\CoreAVC0.dll
  2⤵
  - Modifies registry class
  PID:1676

Network

MITRE ATT&CK Matrix

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Downloads

memory/1676-0-0x0000000010000000-0x00000000100FB000-memory.dmp

Filesize
1004KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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