f4305657723c2320612c31c98943823803f319bcef0584b3d9a8f034ad39b1d1

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 21:21

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General

Target

1cce757e07dc4d6cfde086a4f15c4fc5.dll
Size

24KB
MD5

1cce757e07dc4d6cfde086a4f15c4fc5
SHA1

da197e9a3f01dca8166403767e57bacc2792b874
SHA256

f4305657723c2320612c31c98943823803f319bcef0584b3d9a8f034ad39b1d1
SHA512

8f3bd62b06e57e9e4bd268cd2c1e59d90f5c0ab472d06282776840b45a32a657d705f2d71da1b9a4dd3d909a1ed59161159b48694d910b6ffc2cca4e47ff35ba
SSDEEP

192:HYY7S2Xc3rQwtdmNmhyb8APO6enWVah8AqEc6R:zovdmN+ybPSWVnE1R

Score

1^/10

Malware Config

Signatures

Modifies registry class 45 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{4639D6C6-FC7A-4A76-8E2F-EDE309960070}\1.0\ = "jxxCnlfNNzpltARfsbozPGtJB"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\ = "_Class1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\TypeLib\ = "{4639D6C6-FC7A-4A76-8E2F-EDE309960070}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jxxCnlfNNzpltARfsbozPGtJB.Class1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{4639D6C6-FC7A-4A76-8E2F-EDE309960070}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{4639D6C6-FC7A-4A76-8E2F-EDE309960070}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{4639D6C6-FC7A-4A76-8E2F-EDE309960070}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1cce757e07dc4d6cfde086a4f15c4fc5.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\VERSION	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jxxCnlfNNzpltARfsbozPGtJB.Class1\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jxxCnlfNNzpltARfsbozPGtJB.Class1\Clsid\ = "{4C9813AE-1596-4784-8290-7C8B2FD0D82B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{4639D6C6-FC7A-4A76-8E2F-EDE309960070}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\TypeLib\ = "{4639D6C6-FC7A-4A76-8E2F-EDE309960070}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\ = "_Class1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\ = "jxxCnlfNNzpltARfsbozPGtJB.Class1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jxxCnlfNNzpltARfsbozPGtJB.Class1\ = "jxxCnlfNNzpltARfsbozPGtJB.Class1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{4639D6C6-FC7A-4A76-8E2F-EDE309960070}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\TypeLib\ = "{4639D6C6-FC7A-4A76-8E2F-EDE309960070}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\VERSION\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{4639D6C6-FC7A-4A76-8E2F-EDE309960070}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{4639D6C6-FC7A-4A76-8E2F-EDE309960070}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\ = "Class1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{4639D6C6-FC7A-4A76-8E2F-EDE309960070}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\ProgID\ = "jxxCnlfNNzpltARfsbozPGtJB.Class1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4C9813AE-1596-4784-8290-7C8B2FD0D82B}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\ProxyStubClsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{4639D6C6-FC7A-4A76-8E2F-EDE309960070}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1cce757e07dc4d6cfde086a4f15c4fc5.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{261EDBB7-40B6-47D8-914F-25A5E25706E6}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 3020	880	regsvr32.exe	16
PID 880 wrote to memory of 3020	880	regsvr32.exe	16
PID 880 wrote to memory of 3020	880	regsvr32.exe	16
PID 880 wrote to memory of 3020	880	regsvr32.exe	16
PID 880 wrote to memory of 3020	880	regsvr32.exe	16
PID 880 wrote to memory of 3020	880	regsvr32.exe	16
PID 880 wrote to memory of 3020	880	regsvr32.exe	16

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1cce757e07dc4d6cfde086a4f15c4fc5.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1cce757e07dc4d6cfde086a4f15c4fc5.dll
  2⤵
  - Modifies registry class
  PID:3020

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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