7f6e57befa412c421ddafa90280b04cd50561b1b401d5e90c99290ef1d0e5e33

Analysis

max time kernel
91s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 15:40

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General

Target

7f6e57befa412c421ddafa90280b04cd50561b1b401d5e90c99290ef1d0e5e33.dll
Size

124KB
MD5

648e52ebf9d585806554ae9c2b19c9ee
SHA1

de2fb83db4c15b48c79801215c2310652af581f9
SHA256

7f6e57befa412c421ddafa90280b04cd50561b1b401d5e90c99290ef1d0e5e33
SHA512

535bbf8f567c0efaf21844b737c0f9bef94d488aea9c308a056723fd25d46c705f1439c7bdb87b3f9e92c99a5e282a1e1be8c1fcbbb111495691df04399000fc
SSDEEP

1536:9iGJVY0NSk4lTy9ibUhl3kvNCGh0nJUl9zymZkS9Rrq7BE0Bs62:5VY0Nz4lTy7lsNheJUl9zyZwABE0d2

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\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7f6e57befa412c421ddafa90280b04cd50561b1b401d5e90c99290ef1d0e5e33.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\TypeLib\ = "{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FA831D2-44CA-43C6-915C-FA8C32A1FDF9}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7f6e57befa412c421ddafa90280b04cd50561b1b401d5e90c99290ef1d0e5e33.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\TypeLib\ = "{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FA831D1-44CA-43C6-915C-FA8C32A1FDF9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7FA831D8-44CA-43C6-915C-FA8C32A1FDF9}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4364	regsvr32.exe
4364	regsvr32.exe
4364	regsvr32.exe
4364	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 4364	3136	regsvr32.exe	81
PID 3136 wrote to memory of 4364	3136	regsvr32.exe	81
PID 3136 wrote to memory of 4364	3136	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7f6e57befa412c421ddafa90280b04cd50561b1b401d5e90c99290ef1d0e5e33.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\7f6e57befa412c421ddafa90280b04cd50561b1b401d5e90c99290ef1d0e5e33.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:4364

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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