7d5050e4fdd7c7f8887cf7e4f89be00ef15634f49249790f2262bdbd664a2332

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 11:32

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General

Target
9b8fd7c75846c82e28475da38383d371.dll
Size 31KB
Sample240214-nnct8aaa98
SHA256 7d5050e4fdd7c7f8887cf7e4f89be00ef15634f49249790f2262bdbd664a2332
MD5 9b8fd7c75846c82e28475da38383d371
SHA1 5b359baa6820e66638f4531777142fbc9afa103c
SHA512 1056e0343b01d8bad1051988723c29f359dd6b98637f6ff0ca31ecf66833a79927822d2617f5e76701a3b8909ef884ac3e150ae42e5ccad92b24705c7f759d0d
SSDEEP 768:l+WMFCAbPOwEPouFcV+A1NoWwC5dTnbL/UdKrfQ7GOfb3QW/M:0FCAbP5uosC+A1NoWwCPrbL/Ud2Ofb3I
MD5 SHA1 SHA512 SSDEEP

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{64466B8E-20A7-4A4A-AFF4-AAD9CA68B52C}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{64466B8E-20A7-4A4A-AFF4-AAD9CA68B52C}	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{64466B8E-20A7-4A4A-AFF4-AAD9CA68B52C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64466B8E-20A7-4A4A-AFF4-AAD9CA68B52C}\www = "www"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{64466B8E-20A7-4A4A-AFF4-AAD9CA68B52C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64466B8E-20A7-4A4A-AFF4-AAD9CA68B52C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9b8fd7c75846c82e28475da38383d371.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64466B8E-20A7-4A4A-AFF4-AAD9CA68B52C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 3988	1236	regsvr32.exe	84
PID 1236 wrote to memory of 3988	1236	regsvr32.exe	84
PID 1236 wrote to memory of 3988	1236	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9b8fd7c75846c82e28475da38383d371.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9b8fd7c75846c82e28475da38383d371.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3988

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/3988-0-0x0000000010000000-0x0000000010014000-memory.dmp

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