3804c28e3a4f8d2fecc95893928c32b6c8daedce2004c21d4a57a67c6a77ac38

Analysis

max time kernel
44s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 16:42

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General

Target

3804c28e3a4f8d2fecc95893928c32b6c8daedce2004c21d4a57a67c6a77ac38.dll
Size

332KB
MD5

81184eaf2dde2902499b6f4d4e78d640
SHA1

71993ca0ec34d77e7668d16b6d7928158a975e44
SHA256

3804c28e3a4f8d2fecc95893928c32b6c8daedce2004c21d4a57a67c6a77ac38
SHA512

59a2b5b01f7fcff958390f0cc3033cd544c549b3e2e16d88fa5dc9877f58653f7c9e3ce93d6ef3b53c5abac8a11f2988b14c30c0862fecc82a84516b037238a3
SSDEEP

3072:oLmY72HG+l+qDlT2exIW4oE0NlIy3kS4ezA:o1qDkeiiAy0S4a

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\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib	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\Wow6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib	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\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32	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\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\ = "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\IEHlprObj.IEHlprObj	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
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\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3804c28e3a4f8d2fecc95893928c32b6c8daedce2004c21d4a57a67c6a77ac38.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\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}	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\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
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	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\Wow6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\ = "IEHlprObj Class"	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	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\\3804c28e3a4f8d2fecc95893928c32b6c8daedce2004c21d4a57a67c6a77ac38.dll"	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\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}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\0	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
988	regsvr32.exe
988	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 988	2024	regsvr32.exe	27
PID 2024 wrote to memory of 988	2024	regsvr32.exe	27
PID 2024 wrote to memory of 988	2024	regsvr32.exe	27
PID 2024 wrote to memory of 988	2024	regsvr32.exe	27
PID 2024 wrote to memory of 988	2024	regsvr32.exe	27
PID 2024 wrote to memory of 988	2024	regsvr32.exe	27
PID 2024 wrote to memory of 988	2024	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3804c28e3a4f8d2fecc95893928c32b6c8daedce2004c21d4a57a67c6a77ac38.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3804c28e3a4f8d2fecc95893928c32b6c8daedce2004c21d4a57a67c6a77ac38.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:988

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/988-56-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/2024-54-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp

Filesize
8KB

Download