e0394a11b5c0c57fdf6fadec1dffca98aaca3b0755ef90cb616c0f4a50b8cc0e

Analysis

max time kernel
158s
max time network
177s
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, 16:19

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General

Target

e0394a11b5c0c57fdf6fadec1dffca98aaca3b0755ef90cb616c0f4a50b8cc0e.dll
Size

133KB
MD5

0d908b78e5ab61d20d1de8db317ca5ca
SHA1

9193227098c62ff3eec56f0f919028ad981b03e6
SHA256

e0394a11b5c0c57fdf6fadec1dffca98aaca3b0755ef90cb616c0f4a50b8cc0e
SHA512

cde28cb416b2067a32e2db448c864b3094ea0f899e41fdbe521796b5a490daf6500a5261589a10622bd3d1d69fccf9541e95a082dd1770f250081dd2110d41a3
SSDEEP

1536:jPyGnoS9s4hQO2OH09HKZ5QlIS3TlGwYfuH1yUcLsBRkBrb:Dy79tOH09H456jQs1yUcoBir

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\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e0394a11b5c0c57fdf6fadec1dffca98aaca3b0755ef90cb616c0f4a50b8cc0e.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e0394a11b5c0c57fdf6fadec1dffca98aaca3b0755ef90cb616c0f4a50b8cc0e.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib\ = "{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "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\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\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\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib\ = "{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2128	regsvr32.exe
2128	regsvr32.exe
2128	regsvr32.exe
2128	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2128	2112	regsvr32.exe	79
PID 2112 wrote to memory of 2128	2112	regsvr32.exe	79
PID 2112 wrote to memory of 2128	2112	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e0394a11b5c0c57fdf6fadec1dffca98aaca3b0755ef90cb616c0f4a50b8cc0e.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e0394a11b5c0c57fdf6fadec1dffca98aaca3b0755ef90cb616c0f4a50b8cc0e.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:2128

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/2128-133-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

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