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Analysis
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max time kernel
142s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
28/12/2023, 20:31
Static task
static1
Behavioral task
behavioral1
Sample
f61d2ae06a0dc0332691bb5d501d2e57.dll
Resource
win7-20231129-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
f61d2ae06a0dc0332691bb5d501d2e57.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
f61d2ae06a0dc0332691bb5d501d2e57.dll
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Size
278KB
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MD5
f61d2ae06a0dc0332691bb5d501d2e57
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SHA1
c7f21375be4b41e9192643a985d3793d8d70c4a3
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SHA256
13bb82b7a5fb512a7f169e885fc31577432335224b9f2fa7a6fd210defe15005
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SHA512
231aae72d558addf48db7cad030b7cc84dfe11c57c48e0cd3e4e6c26793aa8ee4b44ed213f680453f71435c3e92c2d39000aa9817f672c1b8aa8e62f3500abc5
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SSDEEP
3072:CfcmhLlsosuE23UtV3s7wuBlCwjHdixnibVWajAnP0gQyez6Xjt6AlWEZ7Tfd5nx:CUmhJ/su3UPqXdiPa+0dZOTt6AToEr
Score
4/10
Malware Config
Signatures
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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 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\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib\ = "{A2D733A7-73B0-4C6B-B0C7-06A432950B66}" 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}\ = "Manager Class" 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\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\TypeLib\ = "{A2D733A7-73B0-4C6B-B0C7-06A432950B66}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f61d2ae06a0dc0332691bb5d501d2e57.dll" 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\WOW6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ProxyStubClsid32 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\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib\Version = "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\HELPDIR 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}\TypeLib\Version = "1.0" 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\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\Version 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} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib\ = "{A2D733A7-73B0-4C6B-B0C7-06A432950B66}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f61d2ae06a0dc0332691bb5d501d2e57.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ = "IManager" 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\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib 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 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ = "IMdt" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ProxyStubClsid32 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\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\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\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 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} 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 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\WOW6432Node\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} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52} 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}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2092 wrote to memory of 2632 2092 regsvr32.exe 86 PID 2092 wrote to memory of 2632 2092 regsvr32.exe 86 PID 2092 wrote to memory of 2632 2092 regsvr32.exe 86
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\f61d2ae06a0dc0332691bb5d501d2e57.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\f61d2ae06a0dc0332691bb5d501d2e57.dll2⤵
- Drops file in Windows directory
- Modifies registry class
PID:2632
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