9731c5bfef4d1f92bc98fd5cdfeca86e655f9c21195b86e6ea767ad74dfc7b03

Analysis

max time kernel
150s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 23:44

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General

Target

9731c5bfef4d1f92bc98fd5cdfeca86e655f9c21195b86e6ea767ad74dfc7b03.dll
Size

116KB
MD5

f4ed0e61eda2d5d64346c0fcaf136bc3
SHA1

10ab56e9d36ca4bfbd400690590a66b3644d71a4
SHA256

9731c5bfef4d1f92bc98fd5cdfeca86e655f9c21195b86e6ea767ad74dfc7b03
SHA512

74e0aebce391d19a7eeeee4be5c60cdcbc1560d2ec4e8b246a0473f04055e5bf4037f12b74f459f9df53fbcdab6f0511162a067679a63711f83cdb256eb4fc0e
SSDEEP

3072:FN0GxvNd6zH7Qmb/GcndhkCudjLOadSScvuvuYCqkly8lQ4mmmokGsALQ:FNnVParGvunqkl/lQ4DulM

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\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Version Vector\	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\	regsvr32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\WarnOnClose = "0"	regsvr32.exe

Modifies registry class 49 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E5CBF21-D15F-11d0-8301-00AA005B4383}\InProcServer32\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "BrowserPanel"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\ = "QuickFlash 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9731c5bfef4d1f92bc98fd5cdfeca86e655f9c21195b86e6ea767ad74dfc7b03.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "QuickFlash"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\ = "{4645A0E0-7B59-439A-BB73-D4159321E09B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\ = "{4645A0E0-7B59-439A-BB73-D4159321E09B}"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\BLOD = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	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\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\SJBC = "301"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\FSHS = "0"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9731c5bfef4d1f92bc98fd5cdfeca86e655f9c21195b86e6ea767ad74dfc7b03.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\CUDA = "9171"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{BF50AC63-19DA-487E-AD4A-0B452D823B59}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ = "BrowserPanel"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 5052	5088	regsvr32.exe	81
PID 5088 wrote to memory of 5052	5088	regsvr32.exe	81
PID 5088 wrote to memory of 5052	5088	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9731c5bfef4d1f92bc98fd5cdfeca86e655f9c21195b86e6ea767ad74dfc7b03.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9731c5bfef4d1f92bc98fd5cdfeca86e655f9c21195b86e6ea767ad74dfc7b03.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:5052

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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