e89bf59c56587b51976943006e1d6bb3be86da8eb6375c88c05ab41813705828

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 12:15

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General

Target
GToolbar.dll
Size 100KB
Sample240409-pfawbsaa2y
SHA256 3b01d8afab97431a10403b2e28476096d4ac93398687d6208c5809953da66b23
MD5 5d3a93b519baf58263671fcb25f23087
SHA1 2d2b585ee1b26665dc20525a16c0dd2bb625344c
SHA512 2cbe4772d9ceb06f9d7a079424b4cf7f7634d1ff5773c748bd861be086b45510fe76c02b6904c250fb54aa70a71d55313c0151853708a671b9bf3f1459f4ebed
SSDEEP 1536:8r3LX2nByyAoDl81RN6T6j3fs0cYX/oAGC1Y9eERR1L:8HmByyVOnfjjX/oANy1RR1
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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}\ = "GÅø¹Ù"	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar\{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244} = "GÅø¹Ù"	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}\TypeLib\ = "{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolBand.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolBand\CurVer\ = "QkToolbar.QkToolBand.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolProc.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolProc\ = "GÅø¹Ù"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolBand\CLSID\ = "{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}\ProgID\ = "QkToolbar.QkToolBand.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolProc.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}\ = "GÅø¹Ù"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}\VersionIndependentProgID\ = "QkToolbar.QkToolBand"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}\TypeLib\ = "{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\TypeLib\ = "{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}\ = "IQkToolProc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolProc.1\ = "GÅø¹Ù"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}\ProgID\ = "QkToolbar.QkToolProc.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\ = "IQkToolBand"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\TypeLib\ = "{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolProc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}\VersionIndependentProgID\ = "QkToolbar.QkToolProc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}\1.0\ = "QkToolbar 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolProc\CLSID\ = "{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolProc\CurVer\ = "QkToolbar.QkToolProc.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolBand.1\CLSID\ = "{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolBand\ = "GÅø¹Ù"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GToolbar.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}\ = "IQkToolProc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolProc\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolBand	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}\ = "GÅø¹Ù"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}\TypeLib\ = "{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9AE4FA1F-CCD0-4B4D-8BFC-8A7BCFB18244}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolProc.1\CLSID\ = "{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QkToolbar.QkToolProc\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\ = "IQkToolBand"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{224AD707-F9CF-4264-9C2F-EA03D6181A5E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9073993F-68F2-49BD-85BB-A1A912A2A93E}\TypeLib\ = "{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D79A0EA5-E379-4905-9E1C-57C1A0FF3283}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9432B9F6-21A1-4A6D-B1B3-1D03704D2D44}\1.0\FLAGS	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1660	1120	regsvr32.exe	85
PID 1120 wrote to memory of 1660	1120	regsvr32.exe	85
PID 1120 wrote to memory of 1660	1120	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\GToolbar.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\GToolbar.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:1660

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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