32edd01dd1919e44e422ca70a12e54ddfc585d925977d914e264d70f914be9ca

Analysis

max time kernel
93s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 13:31

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General

Target

a1f8a4f2055e051b638cfa13434fd627.dll
Size

185KB
MD5

a1f8a4f2055e051b638cfa13434fd627
SHA1

04e73d23167577a16a82f438e17864668491f616
SHA256

32edd01dd1919e44e422ca70a12e54ddfc585d925977d914e264d70f914be9ca
SHA512

6ba9435483b6f76ccd272295875a35e84399f5391897a51b8040eddb6bc9de907a8714ea8d36ebb6d20bf43c22eecec808b069929bea84829c3aca116846b81b
SSDEEP

3072:Y5AdJGmJb9zcSXDIGL34iKiM2zIcog+cwXkSI6uVl4cnk4sdmXRb3qM0VhRH:9DvfXGH2MPg+cwX3TU/c6N3qM0RH

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\{3D898C55-74CC-4B7C-B5F1-45913F368388}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D898C55-74CC-4B7C-B5F1-45913F368388}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D898C55-74CC-4B7C-B5F1-45913F368388}\ProgID\ = "a1f8a4f2055e051b638cfa13434fd627.IEHelper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D898C55-74CC-4B7C-B5F1-45913F368388}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D898C55-74CC-4B7C-B5F1-45913F368388}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a1f8a4f2055e051b638cfa13434fd627.IEHelper	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a1f8a4f2055e051b638cfa13434fd627.IEHelper\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a1f8a4f2055e051b638cfa13434fd627.IEHelper\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a1f8a4f2055e051b638cfa13434fd627.IEHelper\Clsid\ = "{3D898C55-74CC-4B7C-B5F1-45913F368388}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D898C55-74CC-4B7C-B5F1-45913F368388}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D898C55-74CC-4B7C-B5F1-45913F368388}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D898C55-74CC-4B7C-B5F1-45913F368388}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a1f8a4f2055e051b638cfa13434fd627.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 3212	2580	regsvr32.exe	83
PID 2580 wrote to memory of 3212	2580	regsvr32.exe	83
PID 2580 wrote to memory of 3212	2580	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a1f8a4f2055e051b638cfa13434fd627.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a1f8a4f2055e051b638cfa13434fd627.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3212

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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