801223cc0b0972c95bf5ef23745672eacb9e054bb1f0ab14da91642692a8b8ea

Analysis

max time kernel
145s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 01:48

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General

Target

0a9ff410b8cd7e77f9533e1f17400ef6.dll
Size

316KB
MD5

0a9ff410b8cd7e77f9533e1f17400ef6
SHA1

e08bf57f8f68e38ae4b2b49bddd8c3d7ba5982a3
SHA256

801223cc0b0972c95bf5ef23745672eacb9e054bb1f0ab14da91642692a8b8ea
SHA512

03a5ac65ef185a9cc8f4abc6d911f4e37cb5c28ee7eab9e72f45173d7f78a32f6a501b415688273bf85fd318e9671abc4ed940a82b59f8809c089175e8929f03
SSDEEP

6144:s/mv9JtWbONVXDSZtr/ZAF3Au/TTnE2wjpC7eMBC:co9L4KsrBAXT+U8

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\{22F63A47-6957-4CF7-BCC4-634B1A93D568}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{22F63A47-6957-4CF7-BCC4-634B1A93D568}\ = "kkmlibP"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{22F63A47-6957-4CF7-BCC4-634B1A93D568}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Mhvbfotxogdsa\ = "kkmlibB Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0181858-459F-4471-AEA2-BC238A100E91}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F63A47-6957-4CF7-BCC4-634B1A93D568}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D1FDA00-224D-429D-8027-6988871D20D5}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}\TypeLib\ = "{6D1FDA00-224D-429D-8027-6988871D20D5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\ = "PSFactoryBuffer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Pgqolsowewmdi\ = "kkmlibA Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F63A47-6957-4CF7-BCC4-634B1A93D568}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F63A47-6957-4CF7-BCC4-634B1A93D568}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a9ff410b8cd7e77f9533e1f17400ef6.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D1FDA00-224D-429D-8027-6988871D20D5}\1.0\ = "kkmlib Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Pgqolsowewmdi\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\NumMethods\ = "7"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Mhvbfotxogdsa.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0181858-459F-4471-AEA2-BC238A100E91}\TypeLib\ = "{6D1FDA00-224D-429D-8027-6988871D20D5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Pgqolsowewmdi.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}\ = "IPgqolsowewmdi"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}\ProxyStubClsid32	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1408E208-2AC1-42D3-9F10-78A5B36E05AC}\{070E2C5C-40D8-4A0A-9F39-9C642B5662DA} = 6b006b006d006c00690062002e0064006c006c00	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Pgqolsowewmdi.1\CLSID\ = "{22F63A47-6957-4CF7-BCC4-634B1A93D568}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}\ProxyStubClsid32\ = "{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\kkmlib.DLL\AppID = "{078A1EF8-1382-421C-AAF6-0F7B00CC1691}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0181858-459F-4471-AEA2-BC238A100E91}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Pgqolsowewmdi\CurVer\ = "2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F63A47-6957-4CF7-BCC4-634B1A93D568}\AppID = "{078A1EF8-1382-421C-AAF6-0F7B00CC1691}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Mhvbfotxogdsa	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Mhvbfotxogdsa\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F63A47-6957-4CF7-BCC4-634B1A93D568}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\ProxyStubClsid32\ = "{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0181858-459F-4471-AEA2-BC238A100E91}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D1FDA00-224D-429D-8027-6988871D20D5}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Mhvbfotxogdsa.1\CLSID\ = "{D0181858-459F-4471-AEA2-BC238A100E91}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F63A47-6957-4CF7-BCC4-634B1A93D568}\VersionIndependentProgID\ = "kkmlib.AClass"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Pgqolsowewmdi\CLSID\ = "{22F63A47-6957-4CF7-BCC4-634B1A93D568}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}\ = "IPgqolsowewmdi"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\ = "IMhvbfotxogdsa"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Pgqolsowewmdi.1\ = "kkmlibA Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D1FDA00-224D-429D-8027-6988871D20D5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{078A1EF8-1382-421C-AAF6-0F7B00CC1691}\ = "kkmlib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0181858-459F-4471-AEA2-BC238A100E91}\VersionIndependentProgID\ = "kkmlib.BClass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Pgqolsowewmdi.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\kkmlib.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Mhvbfotxogdsa.1\ = "kkmlibB Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0181858-459F-4471-AEA2-BC238A100E91}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F63A47-6957-4CF7-BCC4-634B1A93D568}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D383624E-6F9C-4512-A165-9D5F1F712895}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{57CB7236-2EE0-4DE0-BE85-39AF6B0D2F87}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D0181858-459F-4471-AEA2-BC238A100E91}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dyuolxvlvbenkdi.Mhvbfotxogdsa.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F63A47-6957-4CF7-BCC4-634B1A93D568}\ProgID\ = "kkmlib.AClass.1"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 3864	1108	regsvr32.exe	27
PID 1108 wrote to memory of 3864	1108	regsvr32.exe	27
PID 1108 wrote to memory of 3864	1108	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0a9ff410b8cd7e77f9533e1f17400ef6.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0a9ff410b8cd7e77f9533e1f17400ef6.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3864

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

Windows 7 deprecation

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