b0c9ff50037be2b3a48d3303f8303186f4ad3da126262c0e3464e649e58c5793

Analysis

max time kernel
183s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 19:03

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General

Target

b0c9ff50037be2b3a48d3303f8303186f4ad3da126262c0e3464e649e58c5793.dll
Size

212KB
MD5

89b31c4907b16cf18ffda6f1e86068f0
SHA1

2976de12ed9211e9ba91273b2efedf3cd6f10fb0
SHA256

b0c9ff50037be2b3a48d3303f8303186f4ad3da126262c0e3464e649e58c5793
SHA512

5bf32854805734ceeabed30e1773b602f38fce9f491f975df3f22b4ba6dc7c3b814186a60ed9f2943a121be08495c2038db782fbd2364a4959fb7e44fd465f62
SSDEEP

1536:WzM2qEqLyX+p9wlWVS3/IMrbzLnfhgti7BUOyO59J07g5ASv/29qJNu:2gEqLOUEvIMZgwBUOy4ElSvuou

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\InprocServer32\ThreadingModel = "Apartment"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\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\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\VersionIndependentProgID	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\ = "{AB705628-B25B-491B-A6BF-4A46FDDBC88E}"	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	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\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\InprocServer32	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\WOW6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\ProgID	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\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b0c9ff50037be2b3a48d3303f8303186f4ad3da126262c0e3464e649e58c5793.dll"	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\\b0c9ff50037be2b3a48d3303f8303186f4ad3da126262c0e3464e649e58c5793.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\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}\ = "IIEHlprObj"	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\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\FLAGS	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\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\0\win32	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}\TypeLib\ = "{AB705628-B25B-491B-A6BF-4A46FDDBC88E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
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\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3132	regsvr32.exe
3132	regsvr32.exe
3132	regsvr32.exe
3132	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 3132	1992	regsvr32.exe	81
PID 1992 wrote to memory of 3132	1992	regsvr32.exe	81
PID 1992 wrote to memory of 3132	1992	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b0c9ff50037be2b3a48d3303f8303186f4ad3da126262c0e3464e649e58c5793.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b0c9ff50037be2b3a48d3303f8303186f4ad3da126262c0e3464e649e58c5793.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:3132

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/3132-133-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

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