adc41f5f8f10a65d07583e7492ebc1faf4c7ef61cb53d68d11a2b91cbd9c14ad

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
23/01/2024, 17:57

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General

Target

7032f8f71f21cfdf232a948029d62438.dll
Size

60KB
MD5

7032f8f71f21cfdf232a948029d62438
SHA1

7ae71d74129f7866b4da0d5f98ead5214947b5c0
SHA256

adc41f5f8f10a65d07583e7492ebc1faf4c7ef61cb53d68d11a2b91cbd9c14ad
SHA512

b062b8c237c574006973675acb1e5da82c45a994e64b7f83a568da58073cfdcbb96cf0ed6141c7a4b3834a406500bfee2998c2d5f81e2e2be1ed7c467f1d68f8
SSDEEP

768:WSJLZTxNCYKjwha11LWHAEClwAqAAvrHN7vIT:WShgYnw11VEXzvxMT

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\{8D4D2F69-DF30-4471-988C-CC58545E86C8}	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\ = "MSUSER Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\ = "MSUSER Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CLSID\ = "{8D4D2F69-DF30-4471-988C-CC58545E86C8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\ = "{C33A35F6-CBB2-4FF5-B029-27E495C5516A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7032f8f71f21cfdf232a948029d62438.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\ = "MSHELP 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CurVer\ = "MSHELP.MSUSER.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\ProgID\ = "MSHELP.MSUSER.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1\CLSID\ = "{8D4D2F69-DF30-4471-988C-CC58545E86C8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ = "IMSUSER"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ = "IMSUSER"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\VersionIndependentProgID\ = "MSHELP.MSUSER"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7032f8f71f21cfdf232a948029d62438.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1\ = "MSUSER Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\TypeLib\ = "{C33A35F6-CBB2-4FF5-B029-27E495C5516A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\ = "{C33A35F6-CBB2-4FF5-B029-27E495C5516A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\0	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 3372	928	regsvr32.exe	27
PID 928 wrote to memory of 3372	928	regsvr32.exe	27
PID 928 wrote to memory of 3372	928	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7032f8f71f21cfdf232a948029d62438.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\7032f8f71f21cfdf232a948029d62438.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3372

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

Windows 7 deprecation

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