03bca9744d0cff3d1c84ad4931a1b2ff73b671f80528a20b225dc69e6ce3cb66

Analysis

max time kernel
180s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 06:21

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General

Target

03bca9744d0cff3d1c84ad4931a1b2ff73b671f80528a20b225dc69e6ce3cb66.dll
Size

116KB
MD5

5524ba89f7cbd1b03998a67616237db0
SHA1

3908672a4bb217608613efa8046226c931f32ee6
SHA256

03bca9744d0cff3d1c84ad4931a1b2ff73b671f80528a20b225dc69e6ce3cb66
SHA512

d32eeba623f1a58e2f6c91b5c0339e8a33d7b188fc127523f728967999dbc0a5289492ba5538190de2c92786bd6f568294f2152104348eb82619e8121af338cf
SSDEEP

1536:uLQbInUsEkZTZDbpPcI2SLejV1yQuyi/DS9RaQj7jtc:KnUsEkZTZDbpSSw1yQuywUaeW

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\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	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\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\03bca9744d0cff3d1c84ad4931a1b2ff73b671f80528a20b225dc69e6ce3cb66.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\TypeLib\ = "{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{D3AB1BD2-D176-433A-BAE9-C724C2F92A52}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\TypeLib\ = "{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\03bca9744d0cff3d1c84ad4931a1b2ff73b671f80528a20b225dc69e6ce3cb66.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D3AB1BD8-D176-433A-BAE9-C724C2F92A52}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3AB1BD1-D176-433A-BAE9-C724C2F92A52}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1808	regsvr32.exe
1808	regsvr32.exe
1808	regsvr32.exe
1808	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 1808	4960	regsvr32.exe	79
PID 4960 wrote to memory of 1808	4960	regsvr32.exe	79
PID 4960 wrote to memory of 1808	4960	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\03bca9744d0cff3d1c84ad4931a1b2ff73b671f80528a20b225dc69e6ce3cb66.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\03bca9744d0cff3d1c84ad4931a1b2ff73b671f80528a20b225dc69e6ce3cb66.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1808

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/1808-132-0x0000000000000000-mapping.dmp

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