Analysis Overview
SHA256
ddedc47ecd77027664b156df6ac097869b5334c352dac66b199174c8ceb61743
Threat Level: Shows suspicious behavior
The file d9e3b9edf561e90f491838a67258d30b.bin was found to be: Shows suspicious behavior.
Malicious Activity Summary
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
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-22 03:21
Signatures
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
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
Signatures
Enumerates physical storage devices
Processes
C:\Users\Admin\AppData\Local\Temp\NateFinderUpt.exe
"C:\Users\Admin\AppData\Local\Temp\NateFinderUpt.exe"
Network
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
Signatures
Installs/modifies Browser Helper Object
| 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
| 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
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
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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2112 wrote to memory of 2264 | N/A | C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2112 wrote to memory of 2264 | N/A | C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2112 wrote to memory of 2264 | N/A | C:\Users\Admin\AppData\Local\Temp\NateFinderUnin.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2112 wrote to memory of 2264 | 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
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
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 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 |
| 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 |
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
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
Signatures
Installs/modifies Browser Helper Object
| 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
| 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
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
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