5f0eb604489fccc60a72467d3dc77a2d8bf20af82935d425f2a470fd6cb7f014

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/04/2024, 21:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
IETab.dll
Size 182KB
Sample240406-1d2rtabe7y
SHA256 f8e32b4fc84d1898c1a55640640c77024370525bd85cc3b0f51d3d24a55f847c
MD5 3b3cb102c05a04f24283790b048b2d28
SHA1 ea9bb1b46bf9059b881fb2bd643aad82a481010c
SHA512 8a984887f8eb4fc3e421432087f38a47488f12b8fa094851ac6bb039d0e6c0232abf86e5460e59b1ea2ae493042137719d93169fbb64bec1dac35aa7a2594cff
SSDEEP 3072:5YnNy6Al7L8xg0wIRdFFMijqfCbBzUUmDu/0nPz7+U98faEjrR:5fgJGiGfCb2bysP2LrR
MD5 SHA1 SHA512 SSDEEP

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\{B60FE1D2-2F84-42a7-AE04-03284738CC24}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\Main\TabProcGrowth = "0"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\TabProcGrowth = "0"	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand.1\ = "InSideBand Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand\ = "InSideBand Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\ = "IETab 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\ProgID\ = "IETab.InSideBand.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IETab.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\TypeLib\ = "{DC40EBFB-929E-400E-AA4B-5BC683900A8E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\ = "IInSideBand"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\ = "IETab"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\TypeLib\ = "{DC40EBFB-929E-400E-AA4B-5BC683900A8E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\VersionIndependentProgID\ = "IETab.InSideBand"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\ = "IInSideBand"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand.1\CLSID\ = "{B60FE1D2-2F84-42a7-AE04-03284738CC24}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand\CurVer\ = "IETab.InSideBand.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\TypeLib\ = "{DC40EBFB-929E-400E-AA4B-5BC683900A8E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand\CLSID\ = "{B60FE1D2-2F84-42a7-AE04-03284738CC24}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IETab.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 3620	4504	regsvr32.exe	86
PID 4504 wrote to memory of 3620	4504	regsvr32.exe	86
PID 4504 wrote to memory of 3620	4504	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\IETab.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\IETab.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:3620

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

Replay Monitor

Loading Replay Monitor...

Downloads