Malware Analysis Report

2025-01-18 21:11

Sample ID 240325-bvbvaafb5v
Target dce72f0c601232babeaaf2ff4b0e0274
SHA256 cc554d77e3b4cd590735f3243df840839d54340800b11087b5dbb7b0493f6736
Tags
adware stealer
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

cc554d77e3b4cd590735f3243df840839d54340800b11087b5dbb7b0493f6736

Threat Level: Shows suspicious behavior

The file dce72f0c601232babeaaf2ff4b0e0274 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Installs/modifies Browser Helper Object

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-25 01:27

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-25 01:27

Reported

2024-03-25 01:30

Platform

win7-20240221-en

Max time kernel

122s

Max time network

128s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dce72f0c601232babeaaf2ff4b0e0274.dll

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\ProgID\ = "dce72f0c601232babeaaf2ff4b0e0274.brm inc" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc\ = "brm inc" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc\Clsid\ = "{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\ = "brm inc" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dce72f0c601232babeaaf2ff4b0e0274.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2492 wrote to memory of 2732 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2492 wrote to memory of 2732 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2492 wrote to memory of 2732 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2492 wrote to memory of 2732 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2492 wrote to memory of 2732 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2492 wrote to memory of 2732 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2492 wrote to memory of 2732 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dce72f0c601232babeaaf2ff4b0e0274.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\dce72f0c601232babeaaf2ff4b0e0274.dll

Network

N/A

Files

memory/2732-0-0x00000000003E0000-0x0000000000485000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-25 01:27

Reported

2024-03-25 01:30

Platform

win10v2004-20240226-en

Max time kernel

144s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dce72f0c601232babeaaf2ff4b0e0274.dll

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dce72f0c601232babeaaf2ff4b0e0274.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc\ = "brm inc" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\ = "brm inc" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\ProgID\ = "dce72f0c601232babeaaf2ff4b0e0274.brm inc" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc\Clsid\ = "{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4908 wrote to memory of 4792 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4908 wrote to memory of 4792 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4908 wrote to memory of 4792 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dce72f0c601232babeaaf2ff4b0e0274.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\dce72f0c601232babeaaf2ff4b0e0274.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 195.177.78.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp

Files

N/A