Malware Analysis Report

2025-01-18 21:13

Sample ID 240322-dwnxcaab2t
Target d9e3b9edf561e90f491838a67258d30b.bin
SHA256 ddedc47ecd77027664b156df6ac097869b5334c352dac66b199174c8ceb61743
Tags
adware stealer
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

ddedc47ecd77027664b156df6ac097869b5334c352dac66b199174c8ceb61743

Threat Level: Shows suspicious behavior

The file d9e3b9edf561e90f491838a67258d30b.bin was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Installs/modifies Browser Helper Object

Drops file in Program Files directory

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-22 03:21

Signatures

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-03-22 03:21

Reported

2024-03-22 03:24

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

146s

Command Line

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

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NateFinderApp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\NateFinderApp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\NateFinderApp.exe N/A

Processes

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3920 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 www.natefinder.com udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 www.natefinder.com udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 8.8.8.8:53 www.natefinder.com udp
US 8.8.8.8:53 13.73.50.20.in-addr.arpa udp

Files

memory/3380-0-0x0000000002290000-0x0000000002291000-memory.dmp

memory/3380-1-0x0000000000400000-0x00000000004D5000-memory.dmp

memory/3380-3-0x0000000002290000-0x0000000002291000-memory.dmp

memory/3380-8-0x0000000000400000-0x00000000004D5000-memory.dmp

memory/3380-14-0x0000000000400000-0x00000000004D5000-memory.dmp

Analysis: behavioral7

Detonation Overview

Submitted

2024-03-22 03:21

Reported

2024-03-22 03:24

Platform

win7-20240221-en

Max time kernel

141s

Max time network

124s

Command Line

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

Signatures

Enumerates physical storage devices

Processes

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

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

Network

N/A

Files

memory/772-0-0x0000000000230000-0x0000000000231000-memory.dmp

memory/772-1-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-2-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-3-0x0000000000230000-0x0000000000231000-memory.dmp

memory/772-4-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-5-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-6-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-7-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-8-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-9-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-10-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-11-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-12-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-13-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-14-0x0000000000400000-0x0000000000486000-memory.dmp

memory/772-15-0x0000000000400000-0x0000000000486000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-22 03:21

Reported

2024-03-22 03:24

Platform

win7-20240319-en

Max time kernel

118s

Max time network

121s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\NateFinder.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\{47E25839-A01C-4997-95DD-E6CE941D4958} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\ProtocolExecute\ntefnd\WarnOnOpen = "0" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2}\AppPath = "C:\\Program Files (x86)\\NateFinder" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\ProtocolExecute C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2}\Policy = "3" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2}\AppName = "NateFinderApp.exe" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\ProtocolExecute\ntefnd C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Low Rights C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2}\AppName = "NateFinderUpt.exe" C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\shell\open\command C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958}\ C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NateFinder.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\ = "URL:ntefnd (NateFinder)" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\URL Protocol C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\shell C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\shell\open C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958}\ = "NateFinder" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\Source Filter C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\EditFlags = "2" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\shell\open\command\ = "C:\\Program Files (x86)\\NateFinder\\NateFinderUpt.exe" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1404 wrote to memory of 2920 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2920 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2920 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2920 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2920 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2920 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2920 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\NateFinder.dll

C:\Windows\SysWOW64\regsvr32.exe

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

Network

N/A

Files

memory/2920-0-0x0000000001E10000-0x0000000001E8C000-memory.dmp

Analysis: behavioral5

Detonation Overview

Submitted

2024-03-22 03:21

Reported

2024-03-22 03:24

Platform

win7-20240221-en

Max time kernel

122s

Max time network

125s

Command Line

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

Signatures

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\$$341.bat C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe N/A

Processes

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

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

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Program Files (x86)\$$341.bat""

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.natefinder.com udp

Files

memory/2112-0-0x0000000000230000-0x0000000000231000-memory.dmp

C:\Program Files (x86)\$$341.bat

MD5 5393f900f84c55cf5f9953ca51de3e14
SHA1 bc019d5d7d8c40ca1ceffe9813e6be26730ceb1a
SHA256 14b946bd30002ca81779bb05ad3b48f9ff8bdf712f341abd3268631ceaff3eb8
SHA512 4a6ca7589cd829ca39662a1c7290be0f587b845f558f55c402fd1d1897a48259084cf21a958a3e94991a9e914adb48662deff7b938b438d5d8b3ee466ca58cf7

memory/2112-9-0x0000000000400000-0x0000000000494000-memory.dmp

memory/2112-10-0x0000000000400000-0x0000000000494000-memory.dmp

Analysis: behavioral6

Detonation Overview

Submitted

2024-03-22 03:21

Reported

2024-03-22 03:24

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

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

Signatures

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\$$390.bat C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1636 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe C:\Windows\SysWOW64\cmd.exe
PID 1636 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe C:\Windows\SysWOW64\cmd.exe
PID 1636 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe C:\Windows\SysWOW64\cmd.exe

Processes

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

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

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\$$390.bat""

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 www.natefinder.com udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/1636-0-0x0000000002340000-0x0000000002341000-memory.dmp

C:\Program Files (x86)\$$390.bat

MD5 4ddc758e28024b9a6388b7344aa5e97c
SHA1 c499c869433630c4653124800cfb8864c6b5eca3
SHA256 c711a2da23bc30635e3ccf3ac56d056942ff589c22b10d5e9e1dacee7934122d
SHA512 a9d1a089a98ecedfc53c61f0d5d500c3329e2d6896398b413067d08a2240f57c76b85c700ca3574a8dbb66cebd6b9d5d2c12f502aacca2df12d60e79f703deb1

memory/1636-4-0x0000000000400000-0x0000000000494000-memory.dmp

memory/1636-5-0x0000000000400000-0x0000000000494000-memory.dmp

Analysis: behavioral8

Detonation Overview

Submitted

2024-03-22 03:21

Reported

2024-03-22 03:24

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

152s

Command Line

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

Signatures

Enumerates physical storage devices

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 89.65.42.20.in-addr.arpa udp

Files

memory/2372-0-0x0000000002340000-0x0000000002341000-memory.dmp

memory/2372-1-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-2-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-3-0x0000000002340000-0x0000000002341000-memory.dmp

memory/2372-4-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-5-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-6-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-7-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-8-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-9-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-10-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-11-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-12-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-13-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-14-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2372-15-0x0000000000400000-0x0000000000486000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-22 03:21

Reported

2024-03-22 03:24

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

153s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\NateFinder.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\{47E25839-A01C-4997-95DD-E6CE941D4958} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2}\AppPath = "C:\\Program Files (x86)\\NateFinder" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\ProtocolExecute\ntefnd\WarnOnOpen = "0" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2}\AppName = "NateFinderApp.exe" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\ProtocolExecute\ntefnd C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2}\AppName = "NateFinderUpt.exe" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{9531303E-7C46-4D34-98DA-026E8891B6E2}\Policy = "3" C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958}\ C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\Source Filter C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\URL Protocol C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\shell\open\command\ = "C:\\Program Files (x86)\\NateFinder\\NateFinderUpt.exe" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\shell\open\command C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NateFinder.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958}\ = "NateFinder" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\EditFlags = "2" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\shell C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\shell\open C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{47E25839-A01C-4997-95DD-E6CE941D4958}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ntefnd\ = "URL:ntefnd (NateFinder)" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2852 wrote to memory of 4292 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2852 wrote to memory of 4292 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2852 wrote to memory of 4292 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\NateFinder.dll

C:\Windows\SysWOW64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 206.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 66.112.168.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-03-22 03:21

Reported

2024-03-22 03:24

Platform

win7-20240319-en

Max time kernel

150s

Max time network

124s

Command Line

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

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NateFinderApp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\NateFinderApp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\NateFinderApp.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.natefinder.com udp

Files

memory/1676-0-0x0000000000230000-0x0000000000231000-memory.dmp

memory/1676-1-0x0000000000400000-0x00000000004D5000-memory.dmp

memory/1676-3-0x0000000000230000-0x0000000000231000-memory.dmp

memory/1676-7-0x0000000000400000-0x00000000004D5000-memory.dmp

memory/1676-13-0x0000000000400000-0x00000000004D5000-memory.dmp