40f49714287da338583a1a9357f6d08cbac18fdba8231c9e09cc294947a85be7

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 04:19

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General

Target

64a7351d8066d3ca3cc07c7232610b00_NEAS.dll
Size

320KB
MD5

64a7351d8066d3ca3cc07c7232610b00
SHA1

cce48aff485e1d74b5f2f07a0136a36ee6ad1204
SHA256

40f49714287da338583a1a9357f6d08cbac18fdba8231c9e09cc294947a85be7
SHA512

01971db3370a9e56dbdca63d4d93e154de7b298c265c584f462a82c983463a19d5594a41393387d5c856e16a9eebdc8f9db540e9a7a6f80e17c05b555deecdb8
SSDEEP

6144:sbpZSmYB/zPN2tAyw7xQgPORTKAOXOlqD:sbp8XP81sxQgP2KtvD

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\{4F00C718-FFCA-4748-902B-45E14C4EBAFD}	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F00C718-FFCA-4748-902B-45E14C4EBAFD}\ = "JavaHelperware Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F00C718-FFCA-4748-902B-45E14C4EBAFD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\iehelper.OnSubmitHandler\CLSID\ = "{67C0867B-C274-4007-9FBF-840094CDA4E5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\TypeLib\ = "{9CBCFF12-EEBC-4e22-8AD6-EBAE2D018355}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F00C718-FFCA-4748-902B-45E14C4EBAFD}\VersionIndependentProgID\ = "JavaHelper.JavaHelper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F00C718-FFCA-4748-902B-45E14C4EBAFD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}\1.0\ = "MSA Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\TypeLib\ = "{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\iehelper.OnSubmitHandler.1\CLSID\ = "{67C0867B-C274-4007-9FBF-840094CDA4E5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\64a7351d8066d3ca3cc07c7232610b00_NEAS.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}\TypeLib\ = "{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F00C718-FFCA-4748-902B-45E14C4EBAFD}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\iehelper.OnSubmitHandler.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\ = "OnSubmitHandler Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\ = "IOnSubmitHandler"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\iehelper.OnSubmitHandler.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\64a7351d8066d3ca3cc07c7232610b00_NEAS.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JavaHelper.JavaHelper.1\ = "JavaHelperware Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\ProgID\ = "iehelper.OnSubmitHandler.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JavaHelper.JavaHelper.1\CLSID\ = "{4F00C718-FFCA-4748-902B-45E14C4EBAFD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JavaHelper.JavaHelper	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JavaHelper.JavaHelper\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\iehelper.OnSubmitHandler\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JavaHelper.JavaHelper.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JavaHelper.JavaHelper\CurVer\ = "JavaHelper.JavaHelper.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\ = "IOnSubmitHandler"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F00C718-FFCA-4748-902B-45E14C4EBAFD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\64a7351d8066d3ca3cc07c7232610b00_NEAS.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\iehelper.OnSubmitHandler.1\ = "OnSubmitHandler Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\VersionIndependentProgID\ = "iehelper.OnSubmitHandler"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0C60E592-D8C2-4A6E-A146-3FCA65685C7E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2EFE621C-039D-4C1E-A7F0-EBBBAEEDA7DE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\iehelper.OnSubmitHandler\CurVer\ = "iehelper.OnSubmitHandler.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{67C0867B-C274-4007-9FBF-840094CDA4E5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CBCFF12-EEBC-4E22-8AD6-EBAE2D018355}\1.0\FLAGS	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2832	1732	regsvr32.exe	28
PID 1732 wrote to memory of 2832	1732	regsvr32.exe	28
PID 1732 wrote to memory of 2832	1732	regsvr32.exe	28
PID 1732 wrote to memory of 2832	1732	regsvr32.exe	28
PID 1732 wrote to memory of 2832	1732	regsvr32.exe	28
PID 1732 wrote to memory of 2832	1732	regsvr32.exe	28
PID 1732 wrote to memory of 2832	1732	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\64a7351d8066d3ca3cc07c7232610b00_NEAS.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\64a7351d8066d3ca3cc07c7232610b00_NEAS.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2832

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

Windows 7 deprecation

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