c2b0aac0f93bae52ea7bf62d9ec54a5b5a79a12d94a260133fa56a854b274e55

Analysis

max time kernel
144s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 13:46

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General

Target

c2b0aac0f93bae52ea7bf62d9ec54a5b5a79a12d94a260133fa56a854b274e55.dll
Size

120KB
MD5

bf6a73c54509462aac2c3b4d05754db7
SHA1

508d919adcf270c297cab0392569cdb974e61406
SHA256

c2b0aac0f93bae52ea7bf62d9ec54a5b5a79a12d94a260133fa56a854b274e55
SHA512

a7f3641a31817aa8c4e94871016a456dfc2687caadd988530ebfabe2475ef31278698f810eaf0e87fb97397b7bb07457059b29623321c684fe82b7e5446aeb83
SSDEEP

1536:Fj4OenUFs3mNCC5JJI2J/u2TanTYav1yQ2yJXiS9xC4zMn:OnUFs3sCCzdu2Tm71yQ2ywk7An

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\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c2b0aac0f93bae52ea7bf62d9ec54a5b5a79a12d94a260133fa56a854b274e55.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib\ = "{4FE10D48-C0F3-4107-8C99-688C5ECD892C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib\ = "{4FE10D48-C0F3-4107-8C99-688C5ECD892C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c2b0aac0f93bae52ea7bf62d9ec54a5b5a79a12d94a260133fa56a854b274e55.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{4FE10D42-C0F3-4107-8C99-688C5ECD892C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	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\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\Programmable	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4336	regsvr32.exe
4336	regsvr32.exe
4336	regsvr32.exe
4336	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 4336	3044	regsvr32.exe	79
PID 3044 wrote to memory of 4336	3044	regsvr32.exe	79
PID 3044 wrote to memory of 4336	3044	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c2b0aac0f93bae52ea7bf62d9ec54a5b5a79a12d94a260133fa56a854b274e55.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c2b0aac0f93bae52ea7bf62d9ec54a5b5a79a12d94a260133fa56a854b274e55.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:4336

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/4336-132-0x0000000000000000-mapping.dmp

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