18cadc4bc7afe059d92cbcd68aa775987283173c411dd6ed664831563b94480e

Analysis

max time kernel
145s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 06:11

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General

Target

2b4c559b3d222e1b27b2b17585985c5f.dll
Size

24KB
MD5

2b4c559b3d222e1b27b2b17585985c5f
SHA1

b484a48c074dcbed7fe8024b2de31296e5de0203
SHA256

18cadc4bc7afe059d92cbcd68aa775987283173c411dd6ed664831563b94480e
SHA512

ffcf959b710ec9026454990fc2e051522737fe6c8d6be68d8eae875c993ec679e40ae76f26e67b17b931e91922cfb5d3676e1c4030361f978c018bb8ac08a0c4
SSDEEP

192:3D9ig12SdgwC+RL6KrAZAcTjRHAcTVCf5e1cODACA6SD66:3D9ig4SdHC8Ue2t9A6SD66

Score

1^/10

Malware Config

Signatures

Modifies registry class 45 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86361AF8-E321-4845-A89A-6EC4A5DABC2D}\3.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2b4c559b3d222e1b27b2b17585985c5f.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86361AF8-E321-4845-A89A-6EC4A5DABC2D}\3.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86361AF8-E321-4845-A89A-6EC4A5DABC2D}\3.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\TypeLib\ = "{86361AF8-E321-4845-A89A-6EC4A5DABC2D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TVrunpe.TVrunPeCls\ = "TVrunpe.TVrunPeCls"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TVrunpe.TVrunPeCls\Clsid\ = "{985E8F5A-A152-418C-9A65-71332256480B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\TypeLib\Version = "3.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\VERSION	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\ = "TVrunPeCls"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86361AF8-E321-4845-A89A-6EC4A5DABC2D}\3.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TVrunpe.TVrunPeCls	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86361AF8-E321-4845-A89A-6EC4A5DABC2D}\3.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86361AF8-E321-4845-A89A-6EC4A5DABC2D}\3.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2b4c559b3d222e1b27b2b17585985c5f.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86361AF8-E321-4845-A89A-6EC4A5DABC2D}\3.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\ = "_TVrunPeCls"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\ = "_TVrunPeCls"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\VERSION\ = "3.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86361AF8-E321-4845-A89A-6EC4A5DABC2D}\3.0\ = "TVrunpe"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86361AF8-E321-4845-A89A-6EC4A5DABC2D}\3.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\ = "TVrunpe.TVrunPeCls"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TVrunpe.TVrunPeCls\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\TypeLib\ = "{86361AF8-E321-4845-A89A-6EC4A5DABC2D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{86361AF8-E321-4845-A89A-6EC4A5DABC2D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\TypeLib\ = "{86361AF8-E321-4845-A89A-6EC4A5DABC2D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C81647A7-8330-488B-9753-7572CDE99BF9}\TypeLib\Version = "3.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{985E8F5A-A152-418C-9A65-71332256480B}\ProgID\ = "TVrunpe.TVrunPeCls"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 3988	1868	regsvr32.exe	91
PID 1868 wrote to memory of 3988	1868	regsvr32.exe	91
PID 1868 wrote to memory of 3988	1868	regsvr32.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2b4c559b3d222e1b27b2b17585985c5f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2b4c559b3d222e1b27b2b17585985c5f.dll
  2⤵
  - Modifies registry class
  PID:3988

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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