c641af7598888754de1fac3d08291819b4e2a2d3870828df99e90cdd943bca23

Analysis

max time kernel
173s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2022 01:11

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General

Target

c641af7598888754de1fac3d08291819b4e2a2d3870828df99e90cdd943bca23.dll
Size

140KB
MD5

91d6a2eef54e500ff233f5dfd1ae2fb0
SHA1

a1320294e920023ec37675d543718937a73a8b87
SHA256

c641af7598888754de1fac3d08291819b4e2a2d3870828df99e90cdd943bca23
SHA512

d378638c4a518b738b92fe4352b3fcf93181f790c1c732c07b79c71a96875250ea18a2017325bcf5b506a23ee46d1dfc1ddf1d4440e495baa27430133ce6ecf0
SSDEEP

3072:BKpHQW/7QuwWTo7MabbfsVnzAd+Ee+K2NY2j:BawWJwio4UEp8dxTF3

Score

1^/10

Malware Config

Signatures

Modifies registry class 33 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\APOInterface0 = "{86927AFB-CF77-4F21-A657-07A18A952AC8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DCE5A00-FD90-43A1-B62F-1A430B2767D4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DCE5A00-FD90-43A1-B62F-1A430B2767D4}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\MaxOutputConnections = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DCE5A00-FD90-43A1-B62F-1A430B2767D4}\1.0\FLAGS	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\NumAPOInterfaces = "1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\AERTACap.DLL\AppID = "{288E7ECC-EB53-45df-8EBD-72EAF9AFCB00}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{147BF94E-33F9-4d26-BCF7-B0BD3AE09367}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DCE5A00-FD90-43A1-B62F-1A430B2767D4}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DCE5A00-FD90-43A1-B62F-1A430B2767D4}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DCE5A00-FD90-43A1-B62F-1A430B2767D4}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c641af7598888754de1fac3d08291819b4e2a2d3870828df99e90cdd943bca23.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DCE5A00-FD90-43A1-B62F-1A430B2767D4}\1.0\0\win32	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\MinInputConnections = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{288E7ECC-EB53-45df-8EBD-72EAF9AFCB00}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{288E7ECC-EB53-45df-8EBD-72EAF9AFCB00}\ = "AERTACap"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{147BF94E-33F9-4d26-BCF7-B0BD3AE09367}\ = "AEAudioAPOLFX Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{147BF94E-33F9-4d26-BCF7-B0BD3AE09367}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DCE5A00-FD90-43A1-B62F-1A430B2767D4}\1.0\0	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\MaxInputConnections = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{147BF94E-33F9-4d26-BCF7-B0BD3AE09367}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{147BF94E-33F9-4d26-BCF7-B0BD3AE09367}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c641af7598888754de1fac3d08291819b4e2a2d3870828df99e90cdd943bca23.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\Copyright = "Copyright (c) Andrea Electronics Corporation"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\MajorVersion = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\MinorVersion = "0"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\MinOutputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\MaxInstances = "4294967295"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\FriendlyName = "CAEAudioAPOLFX"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{147BF94E-33F9-4D26-BCF7-B0BD3AE09367}\Flags = "15"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\AERTACap.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DCE5A00-FD90-43A1-B62F-1A430B2767D4}\1.0\ = "AEAudioAPODlllib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9DCE5A00-FD90-43A1-B62F-1A430B2767D4}\1.0\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 1548	4412	regsvr32.exe	79
PID 4412 wrote to memory of 1548	4412	regsvr32.exe	79
PID 4412 wrote to memory of 1548	4412	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c641af7598888754de1fac3d08291819b4e2a2d3870828df99e90cdd943bca23.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4412
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c641af7598888754de1fac3d08291819b4e2a2d3870828df99e90cdd943bca23.dll
  2⤵
  - Modifies registry class
  PID:1548

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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