Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 00:59
Static task
static1
Behavioral task
behavioral1
Sample
1ec42d7912dfbb8cd18ed35d101e95fb.dll
Resource
win7-20231215-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
1ec42d7912dfbb8cd18ed35d101e95fb.dll
Resource
win10v2004-20231222-en
windows10-2004-x64
3 signatures
150 seconds
General
-
Target
1ec42d7912dfbb8cd18ed35d101e95fb.dll
-
Size
278KB
-
MD5
1ec42d7912dfbb8cd18ed35d101e95fb
-
SHA1
718cf7286e75fdf187c3fdd69e0c78ff8bf62a91
-
SHA256
1335899e3a212906ed7311c27cc17496ebf0a36cbcbc26babf07b8b5cba24fd1
-
SHA512
bfc5522471b9cb393e94a695c13dedddf89a7144d0bd4593481a358f8ee6831123e9c36747e17bac06e9e5256c1a48249bb35c641d9c6ed37b4d725b2265aa7a
-
SSDEEP
3072:yfcmhLlsosuE23UtV3s7wuBlCwjHdixnibVWajAnP0gQyez6Xjt6AlWEZ7Tfd5nX:yUmhJ/su3UPqXdiPa+0dZOTt6AToEnR
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\Wow6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ = "IMdt" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\TypeLib\Version = "1.0" 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}\ = "Manager Class" 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A2D733A7-73B0-4C6B-B0C7-06A432950B66}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1ec42d7912dfbb8cd18ed35d101e95fb.dll" 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\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ = "IManager" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52} 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 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\TypeLib 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\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1ec42d7912dfbb8cd18ed35d101e95fb.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ProxyStubClsid32 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\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}\Version 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB} 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 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\0 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}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\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\ = "{A2D733A7-73B0-4C6B-B0C7-06A432950B66}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB} 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\Interface\{FC073BDA-C115-4A1D-9DF9-9B5C461482E5} 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\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\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\TypeLib 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\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5A4E3A41-FA55-4BDA-AED7-CEBE6E7BCB52}\TypeLib 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}\TypeLib\ = "{A2D733A7-73B0-4C6B-B0C7-06A432950B66}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E6354DE-9115-4AEE-BD21-C46C3E8A49DB}\ = "IManager" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1876 wrote to memory of 1400 1876 regsvr32.exe 14 PID 1876 wrote to memory of 1400 1876 regsvr32.exe 14 PID 1876 wrote to memory of 1400 1876 regsvr32.exe 14 PID 1876 wrote to memory of 1400 1876 regsvr32.exe 14 PID 1876 wrote to memory of 1400 1876 regsvr32.exe 14 PID 1876 wrote to memory of 1400 1876 regsvr32.exe 14 PID 1876 wrote to memory of 1400 1876 regsvr32.exe 14
Processes
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\1ec42d7912dfbb8cd18ed35d101e95fb.dll1⤵
- Drops file in Windows directory
- Modifies registry class
PID:1400
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\1ec42d7912dfbb8cd18ed35d101e95fb.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1876