6bc2e5e4079b366208c2f4d418fd280b20861dc4932bd21a9154ff0685e44324

Analysis

max time kernel
40s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/10/2022, 20:03

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General

Target

6bc2e5e4079b366208c2f4d418fd280b20861dc4932bd21a9154ff0685e44324.dll
Size

164KB
MD5

66e881ea00940f6850443c28c2f2a299
SHA1

be46e143ed28d5f59c3dcb63e6a00ab20ab6c21f
SHA256

6bc2e5e4079b366208c2f4d418fd280b20861dc4932bd21a9154ff0685e44324
SHA512

55218fad942934f918de7e43daec94b0a9b029892406bef106a3ccd2d3e2cb49905aea0ecf92d1cd7ab9eeef43b2467dba0c3e5d8bd019feb69c69a3611b4b4d
SSDEEP

1536:vmTuHpYB0r03r1cxIfx92AGHx2UF4gDg26fYcijTH4yzgZr1uf54ywRrP9Er/il5:vmywxQAOVFrefYciLgt1uf54y2Er/i5

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\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\ = "{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\ = "{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\0	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\ = "{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6bc2e5e4079b366208c2f4d418fd280b20861dc4932bd21a9154ff0685e44324.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6bc2e5e4079b366208c2f4d418fd280b20861dc4932bd21a9154ff0685e44324.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1516	regsvr32.exe
1516	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1516	2020	regsvr32.exe	26
PID 2020 wrote to memory of 1516	2020	regsvr32.exe	26
PID 2020 wrote to memory of 1516	2020	regsvr32.exe	26
PID 2020 wrote to memory of 1516	2020	regsvr32.exe	26
PID 2020 wrote to memory of 1516	2020	regsvr32.exe	26
PID 2020 wrote to memory of 1516	2020	regsvr32.exe	26
PID 2020 wrote to memory of 1516	2020	regsvr32.exe	26

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6bc2e5e4079b366208c2f4d418fd280b20861dc4932bd21a9154ff0685e44324.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\6bc2e5e4079b366208c2f4d418fd280b20861dc4932bd21a9154ff0685e44324.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1516

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/1516-56-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download
memory/2020-54-0x000007FEFBAB1000-0x000007FEFBAB3000-memory.dmp

Filesize
8KB

Download