6a9006416299ddbb759a4a89bab8f28291cd2de31e0e989c2f0a44e3a06e2613

Analysis

max time kernel
96s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 01:14

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General

Target
8b02b6f0cc3abaedd87459caf6650024.dll
Size 78KB
Sample240203-bl4tpsfhbp
SHA256 6a9006416299ddbb759a4a89bab8f28291cd2de31e0e989c2f0a44e3a06e2613
MD5 8b02b6f0cc3abaedd87459caf6650024
SHA1 21daa2b3f3e5edc40b641e02f55fe84e7cd9158d
SHA512 d5b8a26904f22c0ca1eef889b4ae1e1981ac8480960522c63a742cd8165ad9e036097a450f78b1a06e7eb3ae602dc29c84b6461cb674edd3ed252b8183fc0a0b
SSDEEP 1536:mac4x6cIfS5jLyZDVWFbn1mLvKQVXN1mZ9J3qQTRfntS+VY:HNxif4fydVWFbkLSQp8KQFfwr
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\{c246278a-e108-40f2-af16-7091baa261bf}\ = "{fb162aab-1907-61fa-2f04-801ea872642c}"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c246278a-e108-40f2-af16-7091baa261bf}	rundll32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c246278a-e108-40f2-af16-7091baa261bf}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c246278a-e108-40f2-af16-7091baa261bf}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c246278a-e108-40f2-af16-7091baa261bf}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8b02b6f0cc3abaedd87459caf6650024.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c246278a-e108-40f2-af16-7091baa261bf}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 3920	3332	rundll32.exe	86
PID 3332 wrote to memory of 3920	3332	rundll32.exe	86
PID 3332 wrote to memory of 3920	3332	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b02b6f0cc3abaedd87459caf6650024.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b02b6f0cc3abaedd87459caf6650024.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3920

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/3920-0-0x0000000010000000-0x000000001002D000-memory.dmp

Download

memory/3920-1-0x0000000010000000-0x000000001002D000-memory.dmp