e67777b181a1ca1f21890bd0da9b177bcd850498375af8f1b0d3d61c7a54c9d0

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/06/2024, 12:35

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General

Target

$PLUGINSDIR/CoreAVC.dll
Size

181KB
MD5

c264fed121afd44bda8bf0ff8f4e4269
SHA1

7480a3b26b81045a1504e68e15225682bcc6f440
SHA256

cb8d9d80dcd48d9a9e3d87c847c47125f7201a98fb5abb4bd6c443322071b951
SHA512

99ed4b723b2b7a90fce8e9bf9ee8d5a1440c4d569638ff6a1aa59354c8bca91618a13c440f754fad3ae22c306709da35b4c53b8a00a09753027eaed0d238052b
SSDEEP

3072:eFX0fCcmjZvyTdndzMryzKdvYQ/5c0q3ARsK/l74obxK7Dtp0XRHSOg9lX9cWR82:GEKpZY2r3VYQ/c0d7Hbw7pp0X8hlX6WB

Score

1^/10

Malware Config

Signatures

Modifies registry class 19 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{345CAA15-4F12-4A28-AFE9-383625563A83}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PLUGINSDIR\\CoreAVC.dll"	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}\ = "CoreAVC Video Decoder"	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\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PLUGINSDIR\\CoreAVC.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{345CAA15-4F12-4A28-AFE9-383625563A83}	regsvr32.exe
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 (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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PLUGINSDIR\\CoreAVC.dll"	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\{345CAA15-4F12-4A28-AFE9-383625563A83}\InprocServer32	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\{345CAA15-4F12-4A28-AFE9-383625563A83}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{345CAA15-4F12-4A28-AFE9-383625563A83}\ = "CoreAVC Video Decoder About"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{09571A4B-F1FE-4C60-9760-DE6D310C7C31}\FilterData = 02000000000260000200000000000000307069330000000000000000070000000000000000000000307479330000000000010000100100003174793300000000000100002001000032747933000000000001000030010000337479330000000000010000400100003474793300000000000100005001000035747933000000000001000060010000367479330000000000010000700100003170693308000000000000000500000000000000000000003074793300000000000100008001000031747933000000000001000090010000327479330000000000010000a0010000337479330000000000010000b0010000347479330000000000010000c00100007669647300001000800000aa00389b714156433100001000800000aa00389b714832363400001000800000aa00389b716832363400001000800000aa00389b715832363400001000800000aa00389b717832363400001000800000aa00389b715653534800001000800000aa00389b716176633100001000800000aa00389b715956313200001000800000aa00389b714959555600001000800000aa00389b714934323000001000800000aa00389b715955593200001000800000aa00389b7100000000000000000000000000000000	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 1664	2348	regsvr32.exe	28
PID 2348 wrote to memory of 1664	2348	regsvr32.exe	28
PID 2348 wrote to memory of 1664	2348	regsvr32.exe	28
PID 2348 wrote to memory of 1664	2348	regsvr32.exe	28
PID 2348 wrote to memory of 1664	2348	regsvr32.exe	28
PID 2348 wrote to memory of 1664	2348	regsvr32.exe	28
PID 2348 wrote to memory of 1664	2348	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CoreAVC.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CoreAVC.dll
  2⤵
  - Modifies registry class
  PID:1664

Network

MITRE ATT&CK Matrix

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Downloads

memory/1664-0-0x0000000010000000-0x00000000100FB000-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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