Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
03/06/2024, 08:16
Static task
static1
Behavioral task
behavioral1
Sample
91157a8dd33c533419bdf504273f97ff_JaffaCakes118.dll
Resource
win7-20240419-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
91157a8dd33c533419bdf504273f97ff_JaffaCakes118.dll
Resource
win10v2004-20240508-en
windows10-2004-x64
3 signatures
150 seconds
General
- Target 91157a8dd33c533419bdf504273f97ff_JaffaCakes118.dll
- Size 278KB
- Sample240603-j6bbwsab65
- SHA256 242281633c9d9ea62b95947ba06cf25ab47638be9c90116ace0d743faf7b0c08
- MD5 91157a8dd33c533419bdf504273f97ff
- SHA1 4aae1d5c4a66cd963b714e3d1f086a6e6ecf6ad2
- SHA512 f189e296fd33fb851a7abccb678b49152ebb5b051b6cc999c1c8dd413146d90df3485fbd3eb29c879d0ae20013dd5f01c24e0fcac5149c2996701bc70935fad0
- SSDEEP 3072:nfcmhLlsosuE23UtV3s7wuBlCwjHdixnibVWajAnP0gQyez6Xjt6AlWEZ7Tfd5nN:nUmhJ/su3UPqXdiPa+0dZOTt6AToEi8
- MD5 SHA1 SHA512 SSDEEP
Score
4/10
Malware Config
Signatures
- Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\win.ini regsvr32.exe - Modifies registry class 48 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\91157a8dd33c533419bdf504273f97ff_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\ = "XTLSLib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib\ = "{A2D733A7-73B0-4C6B-B0C7-06A432950B66}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib\ = "{A2D733A7-73B0-4C6B-B0C7-06A432950B66}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ = "IMdt" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\ = "Manager Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\Version\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ = "IManager" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\91157a8dd33c533419bdf504273f97ff_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\TypeLib\ = "{A2D733A7-73B0-4C6B-B0C7-06A432950B66}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\TypeLib\ = "{A2D733A7-73B0-4C6B-B0C7-06A432950B66}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ = "IMdt" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ = "IManager" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\TypeLib\ = "{A2D733A7-73B0-4C6B-B0C7-06A432950B66}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66} regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 632 wrote to memory of 1672 632 regsvr32.exe 83 PID 632 wrote to memory of 1672 632 regsvr32.exe 83 PID 632 wrote to memory of 1672 632 regsvr32.exe 83
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\91157a8dd33c533419bdf504273f97ff_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:632 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\91157a8dd33c533419bdf504273f97ff_JaffaCakes118.dll2⤵
- Drops file in Windows directory
- Modifies registry class
PID:1672
-