3dede04032c32875e8ba211b852c35e636d58510785a40d199469b3353a562ed

Analysis

max time kernel
160s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 06:25

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General

Target

0b73487d285c266b66b3ac62ee68ece5.dll
Size

130KB
MD5

0b73487d285c266b66b3ac62ee68ece5
SHA1

314c9ec983308334bc018ef69e1ef53c9ea9cbb7
SHA256

3dede04032c32875e8ba211b852c35e636d58510785a40d199469b3353a562ed
SHA512

3c47655e11d31fdd5e6dc2050919101d1d5975a139e7061448f15e696c61e6d1b6bdbe9fba54b0137c422e34a3ea6b4d61ef79cac6fd87b8c51adbf9e1e36442
SSDEEP

1536:OFy5NoS9YCvnFsgpxbZlA5VOM6lIx5kd6R:OFyIxkFsUVdlIx5D

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\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0b73487d285c266b66b3ac62ee68ece5.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib\ = "{753A9DE8-F775-4F12-86B9-FB2AEA44D130}"	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\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{753A9DE2-F775-4F12-86B9-FB2AEA44D130}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib\ = "{753A9DE8-F775-4F12-86B9-FB2AEA44D130}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0b73487d285c266b66b3ac62ee68ece5.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib\Version = "1.0"	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\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\HELPDIR	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3120	regsvr32.exe
3120	regsvr32.exe
3120	regsvr32.exe
3120	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 3120	1404	regsvr32.exe	90
PID 1404 wrote to memory of 3120	1404	regsvr32.exe	90
PID 1404 wrote to memory of 3120	1404	regsvr32.exe	90

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0b73487d285c266b66b3ac62ee68ece5.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0b73487d285c266b66b3ac62ee68ece5.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:3120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/3120-0-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

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