019e79866dbcb872f1cf60300c0bd40b90eca12b75a044f2be328717f1b6cb10

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 12:19

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General

Target

RY1SCom.dll
Size

544KB
MD5

e269d5aced6843265be7d8161932705c
SHA1

00f63f15b53cae89838b10bb378258143e3c1989
SHA256

019e79866dbcb872f1cf60300c0bd40b90eca12b75a044f2be328717f1b6cb10
SHA512

28ae4edeb904a6478bcc291243f375aa84a9f46333eb7e01d48cf9a3d1d546de6abc12b9c9d60d99590c478d3c583042f136332e16ac5050055bf603c4fda6e0
SSDEEP

6144:5U6oFLqhCSCjzGEyOmI7DXS5sAQ/3wIlJDctxs1WA7Q0sza0IZVCxFOKxiHPxOlN:O6sj3L7bRlLe6t0BwdHo

Score

1^/10

Malware Config

Signatures

Modifies registry class 51 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RY1SCom.RY1S\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\TypeLib\ = "{24B310B5-0399-41CB-A1E9-7506C4BB44F5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\AppID = "{3D6B29E7-1882-4889-BDF2-12694F8FABD4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\TypeLib\ = "{24B310B5-0399-41CB-A1E9-7506C4BB44F5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\RY1SCom.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{24B310B5-0399-41CB-A1E9-7506C4BB44F5}\1.0\ = "RY1SCom 1.0 ÀàÐÍ¿â"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{24B310B5-0399-41CB-A1E9-7506C4BB44F5}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{24B310B5-0399-41CB-A1E9-7506C4BB44F5}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{3D6B29E7-1882-4889-BDF2-12694F8FABD4}\ = "RY1SCom"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\RY1SCom.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RY1SCom.RY1S	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\VersionIndependentProgID\ = "RY1SCom.RY1S"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{24B310B5-0399-41CB-A1E9-7506C4BB44F5}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{24B310B5-0399-41CB-A1E9-7506C4BB44F5}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{3D6B29E7-1882-4889-BDF2-12694F8FABD4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\RY1SCom.DLL\AppID = "{3D6B29E7-1882-4889-BDF2-12694F8FABD4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RY1SCom.RY1S\CurVer\ = "RY1SCom.RY1S.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\ = "RY1S Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RY1SCom.RY1S.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RY1SCom.RY1S\CLSID\ = "{F08D667C-7D86-4375-BB10-985705F2020A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{24B310B5-0399-41CB-A1E9-7506C4BB44F5}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\ = "IRY1S"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\TypeLib\ = "{24B310B5-0399-41CB-A1E9-7506C4BB44F5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RY1SCom.RY1S.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RY1SCom.RY1S.1\ = "RY1S Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RY1SCom.RY1S.1\CLSID\ = "{F08D667C-7D86-4375-BB10-985705F2020A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\ = "IRY1S"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\ProgID\ = "RY1SCom.RY1S.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{24B310B5-0399-41CB-A1E9-7506C4BB44F5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RY1SCom.RY1S\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F08D667C-7D86-4375-BB10-985705F2020A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{24B310B5-0399-41CB-A1E9-7506C4BB44F5}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RY1SCom.RY1S\ = "RY1S Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{24B310B5-0399-41CB-A1E9-7506C4BB44F5}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{24B310B5-0399-41CB-A1E9-7506C4BB44F5}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\RY1SCom.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{625445BB-82A2-45EB-B921-E78D0129D0E5}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 3032	2364	regsvr32.exe	28
PID 2364 wrote to memory of 3032	2364	regsvr32.exe	28
PID 2364 wrote to memory of 3032	2364	regsvr32.exe	28
PID 2364 wrote to memory of 3032	2364	regsvr32.exe	28
PID 2364 wrote to memory of 3032	2364	regsvr32.exe	28
PID 2364 wrote to memory of 3032	2364	regsvr32.exe	28
PID 2364 wrote to memory of 3032	2364	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\RY1SCom.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\RY1SCom.dll
  2⤵
  - Modifies registry class
  PID:3032

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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