33a1c7f4799b940d2a1e9766e4b37cb298f40377982ac4773443dd500aaf085e

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2024, 16:59

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General

Target

f0000072.dll
Size

87KB
MD5

1fb35593fbfe61750d602344e04daf58
SHA1

adbe25a04c5ad7980de236d18e9de1be9be9bcfe
SHA256

d81332153d28e2edca591a886bf43b10cb60bf8d22c976d0d1aed7e752b1896f
SHA512

fbd485515f10a6378b9c05c8de39dfcdb6c1604e4f0b2146d3d01c10c8c9138565d718e566fb005926a56baf44ff3a3f7c400d6e97e4886f490eadcad5fb2641
SSDEEP

1536:Youzxk/uHGTMGGt8RfFPeeUr0UG4oQ8Sle/eskDqv/b:Youm/uCMGs8ZFPevoUG4oQnYkc/b

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}\TypeLib\ = "{8E27C92E-1264-101C-8A2F-040224009C02}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSCAL.??.7\CLSID\ = "{8E27C92B-1264-101C-8A2F-040224009C02}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSCAL.??.7	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\MiscStatus\1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\ = "DCalendarEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\VersionIndependentProgID\ = "MSCAL.??"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}\ = "ICalendar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\ = "DCalendarEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSCAL.??	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSCAL.??.7\ = "???? 8.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\Control	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E27C92E-1264-101C-8A2F-040224009C02}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E27C92E-1264-101C-8A2F-040224009C02}\7.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\TypeLib\Version = "7.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\MiscStatus\1\ = "131473"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E27C92E-1264-101C-8A2F-040224009C02}\7.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}\TypeLib\Version = "7.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E27C92E-1264-101C-8A2F-040224009C02}\7.0\ = "Microsoft Calendar Control 8.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E27C92E-1264-101C-8A2F-040224009C02}\7.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f0000072.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\TypeLib	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSCAL.??\CLSID\ = "{8E27C92B-1264-101C-8A2F-040224009C02}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92F-1264-101C-8A2F-040224009C02}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E27C92E-1264-101C-8A2F-040224009C02}\7.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}\ = "ICalendar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\Version\ = "7.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E27C92E-1264-101C-8A2F-040224009C02}\7.0\FLAGS\ = "2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSCAL.??.7\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92F-1264-101C-8A2F-040224009C02}\ = "Calendar General Propery Page Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\Insertable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}\TypeLib\ = "{8E27C92E-1264-101C-8A2F-040224009C02}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\ProgID\ = "MSCAL.??.7"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\TypeLib\ = "{8E27C92E-1264-101C-8A2F-040224009C02}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSCAL.??\ = "???? 8.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92F-1264-101C-8A2F-040224009C02}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\ = "???? 8.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92F-1264-101C-8A2F-040224009C02}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92C-1264-101C-8A2F-040224009C02}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\TypeLib\ = "{8E27C92E-1264-101C-8A2F-040224009C02}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E27C92D-1264-101C-8A2F-040224009C02}\TypeLib\Version = "7.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E27C92B-1264-101C-8A2F-040224009C02}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f0000072.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 1736	2804	regsvr32.exe	88
PID 2804 wrote to memory of 1736	2804	regsvr32.exe	88
PID 2804 wrote to memory of 1736	2804	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f0000072.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f0000072.dll
  2⤵
  - Modifies registry class
  PID:1736

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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