d31071ecab6a6827d724d8e2390768d21fc7184fbc419ec01837f2645a9d0c29

Analysis

max time kernel
41s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 15:50

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General

Target

d31071ecab6a6827d724d8e2390768d21fc7184fbc419ec01837f2645a9d0c29.dll
Size

186KB
MD5

604ca5fef818c7edc2c740136bce48d0
SHA1

5b7c85b8b164ce0c6ca6c9185d82a287fa2805fd
SHA256

d31071ecab6a6827d724d8e2390768d21fc7184fbc419ec01837f2645a9d0c29
SHA512

493eba9e9bbb9e1658207309af7967f3cd3ca9220304f3716e3504735cad5abcb32ec0e68a4feb0e1d11cad399991826a40e8f97238d55edf93e009873f07b75
SSDEEP

3072:JflLKk5hRZWfAiqzHxhwLPgHstZjWAAjkMb1FQfZ3QuQz0ykGVYsh4BJYv:qk5hnWgzHxCLPgMtIZ5ful0J4M

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\{DAF9F01C-30F0-4A52-AF52-E236961977F4}	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\TypeLib\ = "{D42047D9-38C2-4FD1-8337-F69C8F835A30}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D42047D9-38C2-4FD1-8337-F69C8F835A30}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\TypeLib\ = "{D42047D9-38C2-4FD1-8337-F69C8F835A30}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHelper.IEHlprObj\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D42047D9-38C2-4FD1-8337-F69C8F835A30}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D42047D9-38C2-4FD1-8337-F69C8F835A30}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHelper.IEHlprObj\CurVer\ = "IEHelper.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\TypeLib\ = "{D42047D9-38C2-4FD1-8337-F69C8F835A30}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHelper.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHelper.IEHlprObj.1\CLSID\ = "{DAF9F01C-30F0-4A52-AF52-E236961977F4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\VersionIndependentProgID\ = "IEHelper.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D42047D9-38C2-4FD1-8337-F69C8F835A30}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D42047D9-38C2-4FD1-8337-F69C8F835A30}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D42047D9-38C2-4FD1-8337-F69C8F835A30}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHelper.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHelper.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\ProgID\ = "IEHelper.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D42047D9-38C2-4FD1-8337-F69C8F835A30}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D42047D9-38C2-4FD1-8337-F69C8F835A30}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHelper.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHelper.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D42047D9-38C2-4FD1-8337-F69C8F835A30}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0BEBABF-1785-4075-8C4D-8FEE7833D3CD}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHelper.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d31071ecab6a6827d724d8e2390768d21fc7184fbc419ec01837f2645a9d0c29.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D42047D9-38C2-4FD1-8337-F69C8F835A30}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d31071ecab6a6827d724d8e2390768d21fc7184fbc419ec01837f2645a9d0c29.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHelper.IEHlprObj\CLSID\ = "{DAF9F01C-30F0-4A52-AF52-E236961977F4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DAF9F01C-30F0-4A52-AF52-E236961977F4}\VersionIndependentProgID	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1576	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1576	1752	regsvr32.exe	27
PID 1752 wrote to memory of 1576	1752	regsvr32.exe	27
PID 1752 wrote to memory of 1576	1752	regsvr32.exe	27
PID 1752 wrote to memory of 1576	1752	regsvr32.exe	27
PID 1752 wrote to memory of 1576	1752	regsvr32.exe	27
PID 1752 wrote to memory of 1576	1752	regsvr32.exe	27
PID 1752 wrote to memory of 1576	1752	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d31071ecab6a6827d724d8e2390768d21fc7184fbc419ec01837f2645a9d0c29.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\d31071ecab6a6827d724d8e2390768d21fc7184fbc419ec01837f2645a9d0c29.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1576

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

Replay Monitor

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Downloads

memory/1576-56-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

Download
memory/1752-54-0x000007FEFB7F1000-0x000007FEFB7F3000-memory.dmp

Filesize
8KB

Download