Malware Analysis Report

2025-01-18 21:11

Sample ID 240325-c195psdg88
Target dd0687aae5dbb44562cd0646c8090a17
SHA256 155f8a2dc27a48902040150b784987d235d004a3df621e769fdf9f054212d0d2
Tags
adware stealer
score
7/10

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
7/10

SHA256

155f8a2dc27a48902040150b784987d235d004a3df621e769fdf9f054212d0d2

Threat Level: Shows suspicious behavior

The file dd0687aae5dbb44562cd0646c8090a17 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Loads dropped DLL

Installs/modifies Browser Helper Object

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-25 02:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-25 02:33

Reported

2024-03-25 02:36

Platform

win7-20240215-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd0687aae5dbb44562cd0646c8090a17.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\dd0687aae5dbb44562cd0646c8090a17.dll C:\Users\Admin\AppData\Local\Temp\dd0687aae5dbb44562cd0646c8090a17.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dd0687aae5dbb44562cd0646c8090a17.exe

"C:\Users\Admin\AppData\Local\Temp\dd0687aae5dbb44562cd0646c8090a17.exe"

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe "C:\Windows\system32\dd0687aae5dbb44562cd0646c8090a17.dll",inject

Network

N/A

Files

memory/2700-0-0x0000000000400000-0x0000000000429CC9-memory.dmp

memory/2700-2-0x0000000000400000-0x0000000000429CC9-memory.dmp

C:\Windows\SysWOW64\dd0687aae5dbb44562cd0646c8090a17.dll

MD5 d0424edb5ccb0c2b1b18c2778bdf9719
SHA1 dd9ef16846b6b16846412e58a31db4f559d17274
SHA256 53c7e8c2a7371bcb1f26d7743a7c01f35478e963b03c455970a84306fc42afc8
SHA512 6be1772e390c49c3420b1aa223ec5bcbb3c832dabbf8f96d6e10779d8f4e3ec134d267010cd1d53bdb9ae373f5ce8fce1ecf35f64f7b5f17378d257fe8404976

memory/2912-9-0x0000000010000000-0x0000000010032000-memory.dmp

memory/2912-5-0x0000000010000000-0x0000000010032000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-25 02:33

Reported

2024-03-25 02:36

Platform

win10v2004-20240226-en

Max time kernel

138s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd0687aae5dbb44562cd0646c8090a17.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1F6581D5-AA53-4b73-A6F9-41420C6B61F1} C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\dd0687aae5dbb44562cd0646c8090a17.dll C:\Users\Admin\AppData\Local\Temp\dd0687aae5dbb44562cd0646c8090a17.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1F6581D5-AA53-4b73-A6F9-41420C6B61F1}\InprocServer32\ThreadingModel = "Both" C:\Windows\SysWOW64\rundll32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1F6581D5-AA53-4b73-A6F9-41420C6B61F1} C:\Windows\SysWOW64\rundll32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1F6581D5-AA53-4b73-A6F9-41420C6B61F1}\InprocServer32 C:\Windows\SysWOW64\rundll32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1F6581D5-AA53-4b73-A6F9-41420C6B61F1}\InprocServer32\ = "C:\\Windows\\SysWow64\\dd0687aae5dbb44562cd0646c8090a17.dll" C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dd0687aae5dbb44562cd0646c8090a17.exe

"C:\Users\Admin\AppData\Local\Temp\dd0687aae5dbb44562cd0646c8090a17.exe"

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe "C:\Windows\system32\dd0687aae5dbb44562cd0646c8090a17.dll",inject

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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 20.231.121.79:80 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp

Files

memory/1700-0-0x0000000000400000-0x0000000000429CC9-memory.dmp

memory/1700-2-0x0000000000400000-0x0000000000429CC9-memory.dmp

C:\Windows\SysWOW64\dd0687aae5dbb44562cd0646c8090a17.dll

MD5 d0424edb5ccb0c2b1b18c2778bdf9719
SHA1 dd9ef16846b6b16846412e58a31db4f559d17274
SHA256 53c7e8c2a7371bcb1f26d7743a7c01f35478e963b03c455970a84306fc42afc8
SHA512 6be1772e390c49c3420b1aa223ec5bcbb3c832dabbf8f96d6e10779d8f4e3ec134d267010cd1d53bdb9ae373f5ce8fce1ecf35f64f7b5f17378d257fe8404976

memory/5080-5-0x0000000010000000-0x0000000010032000-memory.dmp