d7ee1f25343c6dcee51b336f8ac12abce7e5393eef5d3a46f91231b8c6be1176

Analysis

max time kernel
85s
max time network
32s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 23:18

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General

Target

d7ee1f25343c6dcee51b336f8ac12abce7e5393eef5d3a46f91231b8c6be1176.dll
Size

256KB
MD5

32cf32eab74d175afa2c5fb9d814f61a
SHA1

0c239f141dcdca9b9ab4da9865dde31e90c02469
SHA256

d7ee1f25343c6dcee51b336f8ac12abce7e5393eef5d3a46f91231b8c6be1176
SHA512

6dee2a95b050a772afa8484cc7407c272e84087eddf1e46a80e8482a497853a5c49cea2454b22882272ffcb29c41755b56f942b9569b1b50d5d03e4961c1e611
SSDEEP

1536:F9y6yL1Xv9cFFl+FWTUwrAf5SQQntjI4wIEIVMNGn9I9gTUfhqxTM1v1RlcID/Y:3y6uXySWTUwrAfQXTf9ItqxT8v1RlcT

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\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{AB705622-B25B-491B-A6BF-4A46FDDBC88E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d7ee1f25343c6dcee51b336f8ac12abce7e5393eef5d3a46f91231b8c6be1176.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d7ee1f25343c6dcee51b336f8ac12abce7e5393eef5d3a46f91231b8c6be1176.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib\ = "{AB705628-B25B-491B-A6BF-4A46FDDBC88E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	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\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib\ = "{AB705628-B25B-491B-A6BF-4A46FDDBC88E}"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1524	regsvr32.exe
1524	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 1524	1324	regsvr32.exe	28
PID 1324 wrote to memory of 1524	1324	regsvr32.exe	28
PID 1324 wrote to memory of 1524	1324	regsvr32.exe	28
PID 1324 wrote to memory of 1524	1324	regsvr32.exe	28
PID 1324 wrote to memory of 1524	1324	regsvr32.exe	28
PID 1324 wrote to memory of 1524	1324	regsvr32.exe	28
PID 1324 wrote to memory of 1524	1324	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d7ee1f25343c6dcee51b336f8ac12abce7e5393eef5d3a46f91231b8c6be1176.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\d7ee1f25343c6dcee51b336f8ac12abce7e5393eef5d3a46f91231b8c6be1176.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1524

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/1324-54-0x000007FEFC0B1000-0x000007FEFC0B3000-memory.dmp

Filesize
8KB

Download
memory/1524-56-0x0000000076931000-0x0000000076933000-memory.dmp

Filesize
8KB

Download