665549902657b099eb94c501e6003aff030e099714e45e659d09ac89f56307da

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 23:11

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General

Target

068f7a070d321408a73f19d9b2bda36f.dll
Size

356KB
MD5

068f7a070d321408a73f19d9b2bda36f
SHA1

05a53b5d1bd95bf3be7eb01520fb0c8ace6e853f
SHA256

665549902657b099eb94c501e6003aff030e099714e45e659d09ac89f56307da
SHA512

b5390d5baa65acba3ffbafdf7d1b607b495573e6c46144a91f1dc583f0f4b79f1377ca172ac60d561e1363f3d27573daa8e62f111b98aa69a49774fb3e9483f1
SSDEEP

6144:WX+vYg1sSID1MFLx74zi8NkyPWVZd2ORBxro4g97/Y1Fyou+SDWyOhkLgZ:WX+Td6zi8hS7nro4g9LsyoSDWyOhko

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{3f5105aa-8bfc-4f7a-6804-3c28120b921d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3f5105aa-8bfc-4f7a-6804-3c28120b921d}\NoExplorer = "\"\""	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Explorer Bars\{388a32e8-e9eb-1360-e9a8-ccc53fa8437f}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{388a32e8-e9eb-1360-e9a8-ccc53fa8437f}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f5105aa-8bfc-4f7a-6804-3c28120b921d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f5105aa-8bfc-4f7a-6804-3c28120b921d}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\068f7a070d321408a73f19d9b2bda36f.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f5105aa-8bfc-4f7a-6804-3c28120b921d}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{388a32e8-e9eb-1360-e9a8-ccc53fa8437f}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\068f7a070d321408a73f19d9b2bda36f.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{388a32e8-e9eb-1360-e9a8-ccc53fa8437f}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{388a32e8-e9eb-1360-e9a8-ccc53fa8437f}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f5105aa-8bfc-4f7a-6804-3c28120b921d}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{388a32e8-e9eb-1360-e9a8-ccc53fa8437f}\ = "Search panel"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f5105aa-8bfc-4f7a-6804-3c28120b921d}\ = "mysidesearch search enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{388a32e8-e9eb-1360-e9a8-ccc53fa8437f}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{388a32e8-e9eb-1360-e9a8-ccc53fa8437f}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{388a32e8-e9eb-1360-e9a8-ccc53fa8437f}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{388a32e8-e9eb-1360-e9a8-ccc53fa8437f}\Programmable	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1964	2036	regsvr32.exe	19
PID 2036 wrote to memory of 1964	2036	regsvr32.exe	19
PID 2036 wrote to memory of 1964	2036	regsvr32.exe	19
PID 2036 wrote to memory of 1964	2036	regsvr32.exe	19
PID 2036 wrote to memory of 1964	2036	regsvr32.exe	19
PID 2036 wrote to memory of 1964	2036	regsvr32.exe	19
PID 2036 wrote to memory of 1964	2036	regsvr32.exe	19

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\068f7a070d321408a73f19d9b2bda36f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\068f7a070d321408a73f19d9b2bda36f.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:1964

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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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads