07abc15e51b2ded131325cd872ff5a86e9d92ce9f7df55da20064a59af14ad92

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19-09-2022 14:18

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General

Target

07abc15e51b2ded131325cd872ff5a86e9d92ce9f7df55da20064a59af14ad92.dll
Size

164KB
MD5

1007b395b67c3f13e88dbd6fb31bb868
SHA1

4f83dfddfc115f5a08721185fdf5a1af83c3db29
SHA256

07abc15e51b2ded131325cd872ff5a86e9d92ce9f7df55da20064a59af14ad92
SHA512

9c730a2cda589baa2bcbc230662088065d0fc161a6344bbbdc25205dddf20c07c4722e236052cd7597fca7a670f2b39faa3b2c35e74ce5a477fc767823496e49
SSDEEP

1536:ZmTuHpYB0r03r1cxIfx92AGHx2UF4gDg26fYcijTH4yzgZr1uf54ywRrP9Er/il5:ZmywxQAOVFrefYciLgt1uf54y2Er/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\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\ = "{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib	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\\07abc15e51b2ded131325cd872ff5a86e9d92ce9f7df55da20064a59af14ad92.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	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\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32	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\IEHlprObj.IEHlprObj.1\CLSID	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\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\Version = "1.0"	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.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	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\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	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\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\07abc15e51b2ded131325cd872ff5a86e9d92ce9f7df55da20064a59af14ad92.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\ = "{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\HELPDIR	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\VersionIndependentProgID	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1496	regsvr32.exe
1496	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1496	1788	regsvr32.exe	27
PID 1788 wrote to memory of 1496	1788	regsvr32.exe	27
PID 1788 wrote to memory of 1496	1788	regsvr32.exe	27
PID 1788 wrote to memory of 1496	1788	regsvr32.exe	27
PID 1788 wrote to memory of 1496	1788	regsvr32.exe	27
PID 1788 wrote to memory of 1496	1788	regsvr32.exe	27
PID 1788 wrote to memory of 1496	1788	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\07abc15e51b2ded131325cd872ff5a86e9d92ce9f7df55da20064a59af14ad92.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\07abc15e51b2ded131325cd872ff5a86e9d92ce9f7df55da20064a59af14ad92.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1496

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/1496-55-0x0000000000000000-mapping.dmp

Download
memory/1496-56-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1788-54-0x000007FEFBF41000-0x000007FEFBF43000-memory.dmp

Filesize
8KB

Download