d5bfe1a6457e6ace6ddaf06f44d1be10df6078546e592e33166b87578a4e2cdf

Analysis

max time kernel
138s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 12:19

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General

Target
897e7efe24538617d9380b11140977d6.dll
Size 192KB
Sample240202-phb66sffep
SHA256 d5bfe1a6457e6ace6ddaf06f44d1be10df6078546e592e33166b87578a4e2cdf
MD5 897e7efe24538617d9380b11140977d6
SHA1 47e3c35ae28ca25f0c2b84bf809b78a1c88bef02
SHA512 f68ee83bb32bb84f7e63beae7f9a25dd86c1357b63fef588bbe2e9eda1061dbc3acc8b0f02f990846d43779f61202f9d1bfbe5a18660cc2791a53df8789ee896
SSDEEP 3072:jIUn2m8GjlJXVeS52sPB7OWvKl7Jbl7Q2sHWt3NIKh9P3w4x9DrumlLhRLq18:NjDXZ2aB7OWu7J5TCWt3Xhl3wq9zl9lf
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\ = "Microsoft User"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}	regsvr32.exe

Modifies registry class 47 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\897e7efe24538617d9380b11140977d6.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ = "IFunPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib\ = "{635634C3-9039-4B52-9090-7882FC04009C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer\ = "BHO.FunPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\VersionIndependentProgID\ = "BHO.FunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\897e7efe24538617d9380b11140977d6.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID\ = "{A9D0E35F-0176-4CFB-971B-A1CB317B1738}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ = "IFunPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID\ = "{A9D0E35F-0176-4CFB-971B-A1CB317B1738}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib\ = "{635634C3-9039-4B52-9090-7882FC04009C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\ProgID\ = "BHO.FunPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A9D0E35F-0176-4CFB-971B-A1CB317B1738}\TypeLib\ = "{635634C3-9039-4B52-9090-7882FC04009C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{635634C3-9039-4B52-9090-7882FC04009C}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D2586C29-EEC0-4A83-9D03-EBCF18EF5F0E}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 3940	3688	regsvr32.exe	87
PID 3688 wrote to memory of 3940	3688	regsvr32.exe	87
PID 3688 wrote to memory of 3940	3688	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\897e7efe24538617d9380b11140977d6.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\897e7efe24538617d9380b11140977d6.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3940

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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