4d8a1e2d043ac44781bd61fe99f089084b24afd490065f0a7987a68ace788237 | Triage

Analysis

max time kernel
13s
max time network
20s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20/07/2024, 01:26

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General

Target

$_14326_/MenuHandler.dll
Size

134KB
MD5

e9a520e238b15e8601f4a4e690b680bb
SHA1

d21499e27eede6a0cbf10e47239a712e9a14baf8
SHA256

aa00b8df08f05bb2d432402210efacc5b37bd5ef26c55b6a1665d3bef88b11fa
SHA512

ec9184b51a67a9228cfe76c48bc1666e41ea2cd300be68cf7411b746b80c39ede9ab2c7c29fe7e3e395271441d002fbf0ba50904684bfc056b27266c01bad04e
SSDEEP

3072:+VAn6TgNpXE0nUau4gHSc+Thej63ls6SOcj+rRkmBUhJY6:g7MNfu61s6i+WmBu

Score

1^/10

Malware Config

Signatures

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8331A1DE-43C5-4F79-A2AE-0E656856B193}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\Easy CD Ripper\ = "{8331A1DE-43C5-4F79-A2AE-0E656856B193}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8331A1DE-43C5-4F79-A2AE-0E656856B193}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8331A1DE-43C5-4F79-A2AE-0E656856B193}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\Easy CD Ripper	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8331A1DE-43C5-4F79-A2AE-0E656856B193}\ = "Context Menu Shell Extension"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8331A1DE-43C5-4F79-A2AE-0E656856B193}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_14326_\\MenuHandler.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2912	2904	regsvr32.exe	29
PID 2904 wrote to memory of 2912	2904	regsvr32.exe	29
PID 2904 wrote to memory of 2912	2904	regsvr32.exe	29
PID 2904 wrote to memory of 2912	2904	regsvr32.exe	29
PID 2904 wrote to memory of 2912	2904	regsvr32.exe	29
PID 2904 wrote to memory of 2912	2904	regsvr32.exe	29
PID 2904 wrote to memory of 2912	2904	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$_14326_\MenuHandler.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$_14326_\MenuHandler.dll
  2⤵
  - Modifies registry class
  PID:2912

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2912-0-0x0000000000210000-0x0000000000238000-memory.dmp

Filesize
160KB

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