c9455d21eb76b1bfd1ae3702d81cf77b868fccd5ee4652cc0f86d50aba8381d2

Analysis

max time kernel
66s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 23:20

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General

Target

c9455d21eb76b1bfd1ae3702d81cf77b868fccd5ee4652cc0f86d50aba8381d2.dll
Size

148KB
MD5

af0e21509060f5a6b8593171c68d0b46
SHA1

a6768ba3c4b9bb216f3fc8ca7aa537bd109aa0bf
SHA256

c9455d21eb76b1bfd1ae3702d81cf77b868fccd5ee4652cc0f86d50aba8381d2
SHA512

875b15406d35b5afce6f799471da50b9c56928c2fbd92a5baa2872a500023d0a04b1ec69686a96d3b89d75388e5fb9a11be70d65667f0b617038c300ddd03904
SSDEEP

1536:jRxweALym2TAdU899lt4+hV/NarrWUuAztz1TkIPur5oytOnP8Er/Cto7LMv:j7k/2OH4SMVBxXur5oyPEr/Ct+LM

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\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c9455d21eb76b1bfd1ae3702d81cf77b868fccd5ee4652cc0f86d50aba8381d2.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c9455d21eb76b1bfd1ae3702d81cf77b868fccd5ee4652cc0f86d50aba8381d2.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\TypeLib\ = "{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\TypeLib\ = "{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5CC4DC2-5CCE-48A1-A00F-786507E7A63A}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C5CC4DC8-5CCE-48A1-A00F-786507E7A63A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C5CC4DC1-5CCE-48A1-A00F-786507E7A63A}	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1108	regsvr32.exe
1108	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 1108	1644	regsvr32.exe	28
PID 1644 wrote to memory of 1108	1644	regsvr32.exe	28
PID 1644 wrote to memory of 1108	1644	regsvr32.exe	28
PID 1644 wrote to memory of 1108	1644	regsvr32.exe	28
PID 1644 wrote to memory of 1108	1644	regsvr32.exe	28
PID 1644 wrote to memory of 1108	1644	regsvr32.exe	28
PID 1644 wrote to memory of 1108	1644	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c9455d21eb76b1bfd1ae3702d81cf77b868fccd5ee4652cc0f86d50aba8381d2.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c9455d21eb76b1bfd1ae3702d81cf77b868fccd5ee4652cc0f86d50aba8381d2.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1108

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

memory/1108-56-0x00000000763D1000-0x00000000763D3000-memory.dmp

Filesize
8KB

Download
memory/1644-54-0x000007FEFC131000-0x000007FEFC133000-memory.dmp

Filesize
8KB

Download