747661b6b393d409a35e066b1ef39c13d67eb5e51ed35a30489fa5b35b6c24ec

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 14:25

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General

Target

de39bdf26687a771c8fa21728350b41a.dll
Size

24KB
MD5

de39bdf26687a771c8fa21728350b41a
SHA1

02223da4d42000f4c6dc9a71b25991b14ba3dd72
SHA256

747661b6b393d409a35e066b1ef39c13d67eb5e51ed35a30489fa5b35b6c24ec
SHA512

40bf41a21ba1fa542738330910a2f2c44c38810e1d27511dc20f56e1f523af8adff33bbaa3fdbc4f0d89538b15815e1cf4e00b8f3c74ac9236a9d837daca34fc
SSDEEP

192:BDXfORS4WBNlVMyhPQ4sXTD30soAEuv0IF:BDvORAl1PojD30sAu3F

Score

1^/10

Malware Config

Signatures

Modifies registry class 45 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\ = "_Services"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\TypeLib\ = "{43893DFB-E095-42EB-AB67-784853FDFA58}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\ = "_Services"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WmiLib.Services\Clsid\ = "{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\TypeLib\ = "{43893DFB-E095-42EB-AB67-784853FDFA58}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\ = "Services"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WmiLib.Services	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{43893DFB-E095-42EB-AB67-784853FDFA58}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\ = "WmiLib.Services"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{43893DFB-E095-42EB-AB67-784853FDFA58}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\de39bdf26687a771c8fa21728350b41a.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{43893DFB-E095-42EB-AB67-784853FDFA58}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\ProgID\ = "WmiLib.Services"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\VERSION\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WmiLib.Services\ = "WmiLib.Services"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{43893DFB-E095-42EB-AB67-784853FDFA58}\1.0\ = "WmiLib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{43893DFB-E095-42EB-AB67-784853FDFA58}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{43893DFB-E095-42EB-AB67-784853FDFA58}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\de39bdf26687a771c8fa21728350b41a.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\TypeLib\ = "{43893DFB-E095-42EB-AB67-784853FDFA58}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WmiLib.Services\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{43893DFB-E095-42EB-AB67-784853FDFA58}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{43893DFB-E095-42EB-AB67-784853FDFA58}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF5C81C0-416D-487C-A4AD-07CC1F8E6E71}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\VERSION	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C3DB97B-69D4-46DA-87CD-4E323BFF2C3C}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{43893DFB-E095-42EB-AB67-784853FDFA58}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{43893DFB-E095-42EB-AB67-784853FDFA58}\1.0\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 3984	3704	regsvr32.exe	88
PID 3704 wrote to memory of 3984	3704	regsvr32.exe	88
PID 3704 wrote to memory of 3984	3704	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\de39bdf26687a771c8fa21728350b41a.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3704
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\de39bdf26687a771c8fa21728350b41a.dll
  2⤵
  - Modifies registry class
  PID:3984

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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