3c72f2851f20fee1e57a73226a2d4a54d88f55fbcaa817bac22eaf01cb79c8de

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
13-07-2024 08:55

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General

Target

foxietoolbaru.dll
Size

284KB
MD5

945756b60135ce3c3a1bd7c10d79db3a
SHA1

247ce597e68c8d74696910bee78e3ca42c74fe05
SHA256

a780a1a14935cafbbba21bc8232eb9c4a0e78d2ba0e6747134937e0fab33ba81
SHA512

ff82ab1c7e9aa2e234729ced2a8e3fa9309cc361652bccd29b4be0f9c60b411900dcf7885558cc666a015492e1e187135440d44c549a3b85921fdbe4ca0b20b3
SSDEEP

6144:/vBasnoZDc/4IWQmZvGbhOxDJLkGpiDdITVVmziaRV+XzNiRI9Ny8Qo:B9nAo/yHvGbKDJLkGIdITV6iaMzBNy87

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}	regsvr32.exe

Modifies registry class 60 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\ProgID\ = "Foxie.FoxieToolbar.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\ = "IIEAddressBarInjector"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{618D0948-6CD1-4129-9FDB-221A7F973F37}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\TypeLib\ = "{618D0948-6CD1-4129-9FDB-221A7F973F37}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\ = "ICPToolBarCtrlEx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Foxie.FoxieToolbar.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\foxietoolbaru.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{618D0948-6CD1-4129-9FDB-221A7F973F37}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{618D0948-6CD1-4129-9FDB-221A7F973F37}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{618D0948-6CD1-4129-9FDB-221A7F973F37}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\ = "ICPToolBarCtrlEx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\TypeLib\ = "{618D0948-6CD1-4129-9FDB-221A7F973F37}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{618D0948-6CD1-4129-9FDB-221A7F973F37}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{618D0948-6CD1-4129-9FDB-221A7F973F37}\1.0\ = "stoolbar 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{618D0948-6CD1-4129-9FDB-221A7F973F37}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\foxietoolbaru.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Foxie.FoxieToolbar\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\ = "FoxieToolbar Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\TypeLib\ = "{618D0948-6CD1-4129-9FDB-221A7F973F37}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\ = "IIEAddressBarInjector"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\TypeLib\ = "{618D0948-6CD1-4129-9FDB-221A7F973F37}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Foxie.FoxieToolbar.1\CLSID\ = "{432CAE3B-690F-4C3B-BD97-070EBDA210D5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\VersionIndependentProgID\ = "Foxie.FoxieToolbar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5FBA0F92-ABE8-421C-992E-2A85DB9910C1}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Foxie.FoxieToolbar	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{618D0948-6CD1-4129-9FDB-221A7F973F37}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{618D0948-6CD1-4129-9FDB-221A7F973F37}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Foxie.FoxieToolbar\ = "FoxieToolbar Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4879D63C-C3CC-42CC-9D1C-E861B42D0A5C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Foxie.FoxieToolbar.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Foxie.FoxieToolbar.1\ = "FoxieToolbar Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Foxie.FoxieToolbar\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{618D0948-6CD1-4129-9FDB-221A7F973F37}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Foxie.FoxieToolbar\CLSID\ = "{432CAE3B-690F-4C3B-BD97-070EBDA210D5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Foxie.FoxieToolbar\CurVer\ = "Foxie.FoxieToolbar.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{432CAE3B-690F-4C3B-BD97-070EBDA210D5}\TypeLib\ = "{618D0948-6CD1-4129-9FDB-221A7F973F37}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 4856	324	regsvr32.exe	83
PID 324 wrote to memory of 4856	324	regsvr32.exe	83
PID 324 wrote to memory of 4856	324	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\foxietoolbaru.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:324
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\foxietoolbaru.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4856

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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