d86ea52ca871d5280063f4c71c3dba639cfd29a02738d5829e1fa31a43ec7336

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15/02/2024, 02:12

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General

Target
9caf6d11fbb4355cbe423c18174909a6.dll
Size 302KB
Sample240215-cm4e1aeh72
SHA256 d86ea52ca871d5280063f4c71c3dba639cfd29a02738d5829e1fa31a43ec7336
MD5 9caf6d11fbb4355cbe423c18174909a6
SHA1 3f7f0392925d60ec257b9707db3dcb5ec0b9045e
SHA512 67cd090e0a18a3407d01f1b4055dfa4ad960ef60ecd1ab882431e0053125325ba30be8a9d0c3e27b7a6c7f0636a5d55d2db1eb644711f106fc818b4d9cbff375
SSDEEP 3072:bPQWLzNZo2zDqx0UkXE3/gprIhtNjT+0r7f5dnWs6QN+qStRHEe:bvNZo4XUL/gmjS0r7xEtRR
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1094613F-84B6-4131-AEC1-71DF88291044}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1094613F-84B6-4131-AEC1-71DF88291044}\ = "LexlibPlugin"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1094613F-84B6-4131-AEC1-71DF88291044}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFC54BA-36EB-4CFC-BA55-587361577A26}\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A596471-ECBE-4AEE-B543-79AE8C8FF7A9}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CurVer\ = "Lexlib.LexlibVideoPlugin.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A596471-ECBE-4AEE-B543-79AE8C8FF7A9}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9caf6d11fbb4355cbe423c18174909a6.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}\ = "IJetMimeFiltr"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}\TypeLib\ = "{3A596471-ECBE-4AEE-B543-79AE8C8FF7A9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer\ = "Lexlibplugin.LexlibMimeFiltr.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1094613F-84B6-4131-AEC1-71DF88291044}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9caf6d11fbb4355cbe423c18174909a6.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A596471-ECBE-4AEE-B543-79AE8C8FF7A9}\1.0\ = "Lexlib 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFC54BA-36EB-4CFC-BA55-587361577A26}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFC54BA-36EB-4CFC-BA55-587361577A26}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\TypeLib\ = "{3A596471-ECBE-4AEE-B543-79AE8C8FF7A9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFC54BA-36EB-4CFC-BA55-587361577A26}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFC54BA-36EB-4CFC-BA55-587361577A26}\ = "JetMimeFiltr Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\ = "PSFactoryBuffer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFC54BA-36EB-4CFC-BA55-587361577A26}\ProgID\ = "Lexlib.LexlibMimeFiltr.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\ = "LexlibPlugin Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A596471-ECBE-4AEE-B543-79AE8C8FF7A9}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\ProxyStubClsid32\ = "{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\pllib.DLL\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFC54BA-36EB-4CFC-BA55-587361577A26}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1094613F-84B6-4131-AEC1-71DF88291044}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A596471-ECBE-4AEE-B543-79AE8C8FF7A9}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1094613F-84B6-4131-AEC1-71DF88291044}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}\NumMethods\ = "7"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\CLSID\ = "{1094613F-84B6-4131-AEC1-71DF88291044}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\ = "LexlibPlugin Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1094613F-84B6-4131-AEC1-71DF88291044}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}\TypeLib\ = "{3A596471-ECBE-4AEE-B543-79AE8C8FF7A9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFC54BA-36EB-4CFC-BA55-587361577A26}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEFC54BA-36EB-4CFC-BA55-587361577A26}\VersionIndependentProgID\ = "Lexlib.LexlibMimeFiltr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A596471-ECBE-4AEE-B543-79AE8C8FF7A9}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1094613F-84B6-4131-AEC1-71DF88291044}\VersionIndependentProgID\ = "Lexlib.LexlibVideoPlugin"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\TypeLib\ = "{3A596471-ECBE-4AEE-B543-79AE8C8FF7A9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\NumMethods\ = "7"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9caf6d11fbb4355cbe423c18174909a6.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\ = "LexlibMimeFiltr Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{047D87FD-BFC5-4AC3-9AD3-ACECC7B49016}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8E569E70-9E91-4CF9-820C-99DDC3A05A0C}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 2952	3616	regsvr32.exe	82
PID 3616 wrote to memory of 2952	3616	regsvr32.exe	82
PID 3616 wrote to memory of 2952	3616	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9caf6d11fbb4355cbe423c18174909a6.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9caf6d11fbb4355cbe423c18174909a6.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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