5d6c0a2496fa26999029bc9da666c0c82f37e536ff0691eb1e7cb73e96089a8c

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 21:38

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General

Target

IETab.dll
Size

178KB
MD5

14880911c4322938b2977069f0e85256
SHA1

4286ea77deedd4350a272f9c701533abcb7305a6
SHA256

b8c0675b3d7f736e8e970ceaaea5f45b4eb62a547d0690bbd16b7ece10b02fb3
SHA512

ca2a8bf7d990671b20b0309a6d9301d2c47814898b2cc3402884c0e8a9bf66a57895bb70a6bc7fd16faf78f1babade050e302128d7df6b00615e6209bb03497b
SSDEEP

3072:PSYWkSyr1ky7nrL1MXd/SZYSEXeHlxSACkuQtnPz7ezI8f8FB9a:Jp1m6ZYSEKl4DVMPWuBQ

Score

6^/10

adware discovery 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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\TypeLib\ = "{DC40EBFB-929E-400E-AA4B-5BC683900A8E}"	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}\ = "IInSideBand"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\VersionIndependentProgID\ = "IETab.InSideBand"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\HELPDIR	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\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand\CLSID\ = "{B60FE1D2-2F84-42a7-AE04-03284738CC24}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand.1\ = "InSideBand Class"	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\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\FLAGS	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\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\ = "IInSideBand"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\TypeLib\ = "{DC40EBFB-929E-400E-AA4B-5BC683900A8E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\ProxyStubClsid32	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}	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\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\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\IETab.InSideBand.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\ProgID\ = "IETab.InSideBand.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\Programmable	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC40EBFB-929E-400E-AA4B-5BC683900A8E}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand\ = "InSideBand Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\TypeLib	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}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B60FE1D2-2F84-42a7-AE04-03284738CC24}\InprocServer32\ThreadingModel = "Apartment"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{17625A54-760C-4C42-B04E-E59339BC2DA1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IETab.InSideBand.1\CLSID\ = "{B60FE1D2-2F84-42a7-AE04-03284738CC24}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 1300	3404	regsvr32.exe	84
PID 3404 wrote to memory of 1300	3404	regsvr32.exe	84
PID 3404 wrote to memory of 1300	3404	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\IETab.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\IETab.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:1300

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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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