a1bf95aead9b1a5d67647a6af581e15b2cfedf337747375b2ae0970668b741db | Triage

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 12:54

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General

Target

UnlockerCOM.dll
Size

10KB
MD5

49b6af547ed4ba1fb07bf6f384fda841
SHA1

d865b17ead0c92339eeaa651c03a629ae5a5e031
SHA256

86e8e34cfb71100cda06fe96573d832049cd18b1b251823139e935a1faefcbe8
SHA512

6ea392a740bef18a770f3b86f691125dad7dcebf7972fcbacf06fdf04e09cd0717fb0705a303a6b245f66d399b4f4f31013b82cd6f0b0b52f90b88a9c5c18889
SSDEEP

192:2BNzky6fIAt/KNn8JZ1QfnMP1aFQ4179BUjAPeJjIKT2Z:2HzzAt/0n8JrQfnMP1aFQ4NBw

Score

1^/10

Malware Config

Signatures

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AllFilesystemObjects\shellex\ContextMenuHandlers\UnlockerShellExtension\ = "{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\folder\shellex\ContextMenuHandlers\UnlockerShellExtension	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\UnlockerShellExtension\ = "{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\UnlockerCOM.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\software\classes\Wow6432Node\clsid\UnlockerShellExtension	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\UnlockerShellExtension\ = "{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AllFileSystemObjects\shellex\ContextMenuHandlers\UnlockerShellExtension	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\ = "UnlockerShellExtension"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2980	1048	regsvr32.exe	28
PID 1048 wrote to memory of 2980	1048	regsvr32.exe	28
PID 1048 wrote to memory of 2980	1048	regsvr32.exe	28
PID 1048 wrote to memory of 2980	1048	regsvr32.exe	28
PID 1048 wrote to memory of 2980	1048	regsvr32.exe	28
PID 1048 wrote to memory of 2980	1048	regsvr32.exe	28
PID 1048 wrote to memory of 2980	1048	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\UnlockerCOM.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\UnlockerCOM.dll
  2⤵
  - Modifies registry class
  PID:2980

Network

MITRE ATT&CK Matrix

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