Analysis Overview
SHA256
9ecbf28720a944bdd3f3c20cdb3f4da7f40da903b651be520348e01a8efa2504
Threat Level: Known bad
The file kayflock-beta.rar was found to be: Known bad.
Malicious Activity Summary
AgentTesla payload
Agenttesla family
Sets service image path in registry
Obfuscated with Agile.Net obfuscator
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Modifies registry class
Enumerates system info in registry
Suspicious behavior: LoadsDriver
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-13 17:48
Signatures
AgentTesla payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Agenttesla family
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral6
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240226-en
Max time kernel
140s
Max time network
158s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.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=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| GB | 142.250.200.42:443 | tcp | |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 122.10.44.20.in-addr.arpa | udp |
Files
memory/2116-0-0x000001EB3FD20000-0x000001EB40C3E000-memory.dmp
memory/2116-1-0x00007FFA36590000-0x00007FFA37051000-memory.dmp
memory/2116-2-0x00007FFA36590000-0x00007FFA37051000-memory.dmp
Analysis: behavioral10
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
151s
Max time network
156s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\nexus.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 122.10.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.242.39.171:443 | tcp |
Files
Analysis: behavioral20
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
130s
Max time network
147s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\helppane.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\helppane.exe | N/A |
| N/A | N/A | C:\Windows\helppane.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 528 wrote to memory of 2544 | N/A | C:\Windows\helppane.exe | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe |
| PID 528 wrote to memory of 2544 | N/A | C:\Windows\helppane.exe | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\winhlp32.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\winhlp32.exe"
C:\Windows\helppane.exe
C:\Windows\helppane.exe -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument microsoft-edge:https://go.microsoft.com/fwlink/?LinkId=528881
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --field-trial-handle=4280,i,17229298512878960157,13441031190071685883,262144 --variations-seed-version --mojo-platform-channel-handle=2404 /prefetch:1
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 --field-trial-handle=5008,i,17229298512878960157,13441031190071685883,262144 --variations-seed-version --mojo-platform-channel-handle=5556 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --field-trial-handle=5796,i,17229298512878960157,13441031190071685883,262144 --variations-seed-version --mojo-platform-channel-handle=5092 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4656,i,17229298512878960157,13441031190071685883,262144 --variations-seed-version --mojo-platform-channel-handle=5504 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=25 --field-trial-handle=5072,i,17229298512878960157,13441031190071685883,262144 --variations-seed-version --mojo-platform-channel-handle=5820 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=26 --field-trial-handle=5516,i,17229298512878960157,13441031190071685883,262144 --variations-seed-version --mojo-platform-channel-handle=5456 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --field-trial-handle=5948,i,17229298512878960157,13441031190071685883,262144 --variations-seed-version --mojo-platform-channel-handle=6040 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nav-edge.smartscreen.microsoft.com | udp |
| US | 8.8.8.8:53 | nav-edge.smartscreen.microsoft.com | udp |
| GB | 51.11.108.188:443 | nav-edge.smartscreen.microsoft.com | tcp |
| US | 8.8.8.8:53 | business.bing.com | udp |
| US | 8.8.8.8:53 | business.bing.com | udp |
| US | 13.107.6.158:443 | business.bing.com | tcp |
| US | 8.8.8.8:53 | bzib.nelreports.net | udp |
| US | 8.8.8.8:53 | bzib.nelreports.net | udp |
| NL | 104.109.143.24:443 | bzib.nelreports.net | tcp |
| US | 8.8.8.8:53 | support.microsoft.com | udp |
| US | 8.8.8.8:53 | support.microsoft.com | udp |
| US | 8.8.8.8:53 | support.microsoft.com | udp |
| BE | 2.21.16.124:443 | support.microsoft.com | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 188.108.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | browser.events.data.microsoft.com | udp |
| US | 8.8.8.8:53 | browser.events.data.microsoft.com | udp |
| US | 8.8.8.8:53 | c.s-microsoft.com | udp |
| US | 8.8.8.8:53 | c.s-microsoft.com | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 8.8.8.8:53 | js.monitor.azure.com | udp |
| US | 8.8.8.8:53 | js.monitor.azure.com | udp |
| US | 20.42.65.84:443 | browser.events.data.microsoft.com | tcp |
| US | 23.53.113.225:443 | c.s-microsoft.com | tcp |
| BE | 2.21.17.194:443 | www.microsoft.com | tcp |
| US | 13.107.246.64:443 | js.monitor.azure.com | tcp |
| US | 8.8.8.8:53 | mem.gfx.ms | udp |
| US | 8.8.8.8:53 | mem.gfx.ms | udp |
| US | 8.8.8.8:53 | login.microsoftonline.com | udp |
| US | 8.8.8.8:53 | login.microsoftonline.com | udp |
| US | 13.107.246.64:443 | mem.gfx.ms | tcp |
| US | 8.8.8.8:53 | 24.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 124.16.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.17.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 225.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wcpstatic.microsoft.com | udp |
| US | 8.8.8.8:53 | wcpstatic.microsoft.com | udp |
| US | 13.107.246.64:443 | wcpstatic.microsoft.com | tcp |
| BE | 2.21.17.194:443 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | support.microsoft.com | udp |
| US | 8.8.8.8:53 | support.microsoft.com | udp |
| US | 8.8.8.8:53 | login.microsoftonline.com | udp |
| US | 8.8.8.8:53 | login.microsoftonline.com | udp |
| US | 8.8.8.8:53 | login.microsoftonline.com | udp |
| US | 13.107.246.64:443 | wcpstatic.microsoft.com | tcp |
| IE | 40.126.31.71:443 | login.microsoftonline.com | tcp |
| BE | 2.17.107.107:443 | www.bing.com | tcp |
| US | 13.107.246.64:443 | wcpstatic.microsoft.com | tcp |
| US | 8.8.8.8:53 | aadcdn.msftauth.net | udp |
| US | 8.8.8.8:53 | aadcdn.msftauth.net | udp |
| US | 8.8.8.8:53 | aadcdn.msauth.net | udp |
| US | 8.8.8.8:53 | aadcdn.msauth.net | udp |
| US | 152.199.23.37:443 | aadcdn.msftauth.net | tcp |
| US | 8.8.8.8:53 | login.microsoftonline.com | udp |
| US | 8.8.8.8:53 | login.microsoftonline.com | udp |
| US | 8.8.8.8:53 | support.microsoft.com | udp |
| US | 8.8.8.8:53 | support.microsoft.com | udp |
| US | 8.8.8.8:53 | login.microsoftonline.com | udp |
| US | 8.8.8.8:53 | login.microsoftonline.com | udp |
| US | 8.8.8.8:53 | 107.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.23.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 20.42.65.84:443 | browser.events.data.microsoft.com | tcp |
| US | 8.8.8.8:53 | logincdn.msftauth.net | udp |
| US | 8.8.8.8:53 | logincdn.msftauth.net | udp |
| US | 8.8.8.8:53 | acctcdn.msauth.net | udp |
| US | 8.8.8.8:53 | acctcdn.msauth.net | udp |
| US | 8.8.8.8:53 | acctcdn.msftauth.net | udp |
| US | 8.8.8.8:53 | acctcdn.msftauth.net | udp |
| US | 192.229.221.185:443 | logincdn.msftauth.net | tcp |
| US | 8.8.8.8:53 | lgincdnmsftuswe2.azureedge.net | udp |
| US | 8.8.8.8:53 | lgincdnmsftuswe2.azureedge.net | udp |
| US | 13.107.246.64:443 | lgincdnmsftuswe2.azureedge.net | tcp |
| US | 8.8.8.8:53 | lgincdnvzeuno.azureedge.net | udp |
| US | 8.8.8.8:53 | lgincdnvzeuno.azureedge.net | udp |
| US | 152.199.21.175:443 | acctcdn.msftauth.net | tcp |
| US | 8.8.8.8:53 | acctcdnvzeuno.azureedge.net | udp |
| US | 8.8.8.8:53 | acctcdnvzeuno.azureedge.net | udp |
| US | 8.8.8.8:53 | acctcdnmsftuswe2.azureedge.net | udp |
| US | 8.8.8.8:53 | acctcdnmsftuswe2.azureedge.net | udp |
| US | 8.8.8.8:53 | mem.gfx.ms | udp |
| US | 8.8.8.8:53 | mem.gfx.ms | udp |
| US | 8.8.8.8:53 | mem.gfx.ms | udp |
| US | 8.8.8.8:53 | support.microsoft.com | udp |
| US | 13.107.246.64:443 | mem.gfx.ms | tcp |
| US | 8.8.8.8:53 | support.content.office.net | udp |
| US | 8.8.8.8:53 | support.content.office.net | udp |
| NL | 23.38.21.64:443 | support.content.office.net | tcp |
| US | 8.8.8.8:53 | 185.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.21.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.21.38.23.in-addr.arpa | udp |
| BE | 2.17.107.107:443 | www.bing.com | udp |
| N/A | 224.0.0.251:5353 | 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 | 98.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.246.116.51.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win7-20240221-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\Guna.UI2.dll,#1
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
134s
Max time network
137s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\Guna.UI2.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral3
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win7-20240221-en
Max time kernel
121s
Max time network
124s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\System.Management.dll,#1
Network
Files
Analysis: behavioral12
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
124s
Max time network
157s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\bfsvc.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\bfsvc.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 --field-trial-handle=4116,i,7447082786332118630,10839110169592584063,262144 --variations-seed-version --mojo-platform-channel-handle=4148 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.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 | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral13
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
92s
Max time network
123s
Command Line
Signatures
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\explorer.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\explorer.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.211.222.173.in-addr.arpa | udp |
Files
Analysis: behavioral18
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
120s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\splwow64.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\splwow64.exe"
Network
Files
Analysis: behavioral19
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240226-en
Max time kernel
140s
Max time network
151s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3776 wrote to memory of 1216 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3776 wrote to memory of 1216 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3776 wrote to memory of 1216 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\twain_32.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\twain_32.dll,#1
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=4256 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral22
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win7-20240221-en
Max time kernel
120s
Max time network
126s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\runtimes\win\lib\net6.0\System.Management.dll,#1
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
93s
Max time network
113s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\System.Management.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral9
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win7-20240221-en
Max time kernel
120s
Max time network
129s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\nexus.dll,#1
Network
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win7-20231129-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2240 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe | C:\Windows\system32\WerFault.exe |
| PID 2240 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe | C:\Windows\system32\WerFault.exe |
| PID 2240 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2240 -s 504
Network
Files
memory/2240-0-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp
memory/2240-1-0x0000000000DE0000-0x0000000001CFE000-memory.dmp
memory/2240-2-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp
Analysis: behavioral17
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\notepad.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\notepad.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral14
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win7-20240221-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv" | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe" MD5
C:\Windows\system32\find.exe
find /i /v "md5"
C:\Windows\system32\find.exe
find /i /v "certutil"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2412 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 104.26.1.5:443 | keyauth.win | tcp |
| US | 8.8.8.8:53 | apps.identrust.com | udp |
| BE | 23.14.90.91:80 | apps.identrust.com | tcp |
| N/A | 127.0.0.1:49188 | tcp | |
| N/A | 127.0.0.1:49190 | tcp | |
| US | 8.8.8.8:53 | x2.c.lencr.org | udp |
| BE | 23.55.97.11:80 | x2.c.lencr.org | tcp |
Files
memory/2412-1-0x0000000140000000-0x00000001405E8000-memory.dmp
Analysis: behavioral15
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv" | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 876 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | C:\Windows\system32\cmd.exe |
| PID 876 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | C:\Windows\system32\cmd.exe |
| PID 2536 wrote to memory of 3396 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\certutil.exe |
| PID 2536 wrote to memory of 3396 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\certutil.exe |
| PID 2536 wrote to memory of 2060 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 2536 wrote to memory of 2060 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 2536 wrote to memory of 3932 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 2536 wrote to memory of 3932 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe" MD5
C:\Windows\system32\find.exe
find /i /v "md5"
C:\Windows\system32\find.exe
find /i /v "certutil"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:54848 | tcp | |
| N/A | 127.0.0.1:54850 | tcp | |
| US | 104.26.0.5:443 | keyauth.win | tcp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | x2.c.lencr.org | udp |
| BE | 23.55.97.11:80 | x2.c.lencr.org | tcp |
| US | 8.8.8.8:53 | 5.0.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.97.55.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.179.89.13.in-addr.arpa | udp |
Files
Analysis: behavioral16
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
134s
Max time network
136s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\hh.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\hh.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral21
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
147s
Max time network
160s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\write.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\wordpad.exe | N/A |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\wordpad.exe | N/A |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\wordpad.exe | N/A |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\wordpad.exe | N/A |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\wordpad.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2080 wrote to memory of 952 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\write.exe | C:\Program Files\Windows NT\Accessories\wordpad.exe |
| PID 2080 wrote to memory of 952 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\write.exe | C:\Program Files\Windows NT\Accessories\wordpad.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\write.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\write.exe"
C:\Program Files\Windows NT\Accessories\wordpad.exe
"C:\Program Files\Windows NT\Accessories\wordpad.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral23
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
146s
Max time network
153s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\runtimes\win\lib\net6.0\System.Management.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.42.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral7
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win7-20240221-en
Max time kernel
119s
Max time network
142s
Command Line
Signatures
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "419192479" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\InternetRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000112dd71d930ff24b8b2b71a2c228122b000000000200000000001066000000010000200000001655481ec736ee010a46363d0125252f30d712e50ee449f0fa393b02896ccc2f000000000e8000000002000020000000452bd5fc8f1f92850f78852d17f2493e79270b8c0578213120320b74c3c94093200000004c16d3957c8d4d7f509e90be8d86c3dd92ee2b045b3db26ac9624a3b1cf71f0d4000000085dc86e5048dd2a7e05416d6755de1ddfe123db1aa69d2ddef48b4d2e39341a7c728b321bd7d164a037018fa28c0e14bf1b3c0d061adcb78aa7a281e151ee617 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Zoom | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\IETld\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{44C5ACA1-F9BE-11EE-8698-5E73522EB9B5} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\SearchScopes | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\IntelliForms | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\PageSetup | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 1088661ccb8dda01 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe"
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x64&rid=win7-x64&apphost_version=6.0.28&gui=true
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2220 CREDAT:275457 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | aka.ms | udp |
| IE | 2.18.238.120:443 | aka.ms | tcp |
| IE | 2.18.238.120:443 | aka.ms | tcp |
| IE | 2.18.238.120:443 | aka.ms | tcp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\Cab9D1B.tmp
| MD5 | ac05d27423a85adc1622c714f2cb6184 |
| SHA1 | b0fe2b1abddb97837ea0195be70ab2ff14d43198 |
| SHA256 | c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d |
| SHA512 | 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d |
C:\Users\Admin\AppData\Local\Temp\Cab9E85.tmp
| MD5 | 29f65ba8e88c063813cc50a4ea544e93 |
| SHA1 | 05a7040d5c127e68c25d81cc51271ffb8bef3568 |
| SHA256 | 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184 |
| SHA512 | e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 0a119c926cb4356bc161e30ef0dc68ab |
| SHA1 | 489c43d1080d963e96d26a273e1e904d58a532f5 |
| SHA256 | 9be0fe79aeb01e52a836b9dcf34dc18b18d844b0a139e459d71f8b64532bbc06 |
| SHA512 | 6a2dbb7691e26577fd47cf34e8c898214e8d655da465621193e96284452c7933e82b7416aee0e8c7b161b7ac49ab6a4dfcc8d7872f9754d959e8ecb185cf3f68 |
C:\Users\Admin\AppData\Local\Temp\Tar9EF7.tmp
| MD5 | 435a9ac180383f9fa094131b173a2f7b |
| SHA1 | 76944ea657a9db94f9a4bef38f88c46ed4166983 |
| SHA256 | 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34 |
| SHA512 | 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 53a9a07cc2e6cba5eb8bef39c638d7c0 |
| SHA1 | 3ab3a2ac04fe930f8fb8ed3a0467c67782e596b7 |
| SHA256 | bc0bbbc876f579d70eec40de7537d747eae4fe20f536c07c21c6512915dc6647 |
| SHA512 | d2d291b9ae90d94228d8ea4e1bb039193b966a03cc2641b0113fcaf281b1de5e35848db30860f6a16dbc9980ae0ff55169f71b31738609f8b19410adfba20262 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 6bfc6fd5fa5b12ec9235ffb9d7fa6ff0 |
| SHA1 | 232fd7b3cc2894ed963661b46cb1a3372a256ac0 |
| SHA256 | bce1cfbd8abd1b78cb03bc550fe8fc302d898c0b7f072c0837eb41d94b2187d5 |
| SHA512 | fcdde91ad2ff4350d0367293163f06f0bbbc6c4b8be1623c484ebc4977a4a09d10855da60575493166f17d84e9c090d446b6d57e8151d88ec606bc6feaf1a0cf |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 36bf24729010247f427c5559fae9ed56 |
| SHA1 | 33b7327c4ec474134b231aceb9ef14834cc050b1 |
| SHA256 | 24ccb8b1c7f8eb9a97bc78b08cfcb5fd80e41394ba8eb393d959b2a8692690ab |
| SHA512 | da38448eaf67242ea3ec4254fe6e761a52ace39b78c54aa291ff90d2210bcf35dd3c12b4093a50d29d5ecfccb61dd7d3a84b16d775bf28432372e2309e2178b5 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 93016c844e184af5b7af7fafd444765b |
| SHA1 | 188ea2566e30132c1362f3d4320836c19e6fca6b |
| SHA256 | a7b58e088832b38695fa91d7449dca4abf9cca4e83dea3baab9dc7bfbce92f24 |
| SHA512 | e21146e43eb4726d29a1c6c364fb56df5e03017ad8d9c7a6a6f70904ba262fc1d2403c3ba9e2fd17ba553ed5c95d59f8b1fa4bf790fc8e943bb7901bc763ae0b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 822e663b422dd7bcf8c320a1f9ef82b4 |
| SHA1 | 76672aa77ad0069dc1645198f3237c15489fa3eb |
| SHA256 | ac87185f249391146b5bcabe2d83478c3faea4baab0bdd75c9e8444082ca118e |
| SHA512 | b638d0f3ae1f4e8217fd36728fd7a003d07425a67893033e35393a5dbdc43ff85eb85ed4f4c242d6ff15cba73c1859631fc6f20ed102edc13f21efce084e8ea1 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 5ac212c67a21ed0747a175dc9ea13ce4 |
| SHA1 | 8cda65d174c10def64050b3b4e8392a827475b1e |
| SHA256 | 2ef7eca05dc15dd1987069cd4c91ab3323300a4fc73a94bc640fa6c9cbf7e5a2 |
| SHA512 | 42ae9368a17df08f072739719c193aa33fd5011dc31dbfb9539e6972eff51f95ba541eb469f7f1696157fa12dae9fffa13ebe841b112f4069c1c0d6fa13eb917 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 7c0a2fd2b2facb97e3242f0f3d89b18e |
| SHA1 | bb927eedb84a2a5bfb509d7422c0aa4a457db7ee |
| SHA256 | 0ac62f2a27fb96ccd8ca2e4e651e3e20ca88fbf44f8f678bf3e807d096719401 |
| SHA512 | 00618b7fa3d9dcfd0de104e67c9d3418bfbedbddb0952d00396f14b07f38c1d571ab550051ee035e25d4d18980610a6f1298e0237e0677b48dfd47711b2e5f22 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | e65d950c1ecffa88c7661ddc017531af |
| SHA1 | dd5e2be9849ff4120501bde75d3590d53bcbf430 |
| SHA256 | 7fece81d358f99a0bf36fc732d70c957678079c2af6bb559a9df29a8a0f10353 |
| SHA512 | b161bb37f512058fd4b864ea936074b9a8168ef3a4a08778e13b289e03256e531f8450d0ae83b02671c7cbade8a86d396313f76028f6f2bc62724da392a02329 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | f73b64fb7d07ba9ccfd753c2f7d0504f |
| SHA1 | 4329d66b7a3b59ee584c46f21763660193b5bbd1 |
| SHA256 | 64afa4b2ad1bdfda1ac0147a3d390cdc0ad2910e59ee8ac245527fce1fdb0086 |
| SHA512 | 342a96cb351a77a8f10de3324da1ecaa586a07c63363cd59e3fa8247bdcb2bac0a9e7e9d8bf60d86fd0d7b2f7a2529afa9d6b3a4e06509e71bac85c0ae9b0dd9 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 88f409b71fc0e7569eba9af09f6782a4 |
| SHA1 | 7c42a0dacbdf43eadb9e7b8eb7b399d8c0270682 |
| SHA256 | 41170b24afdd339134feae0de7cbb94adb02303d316f7dc5e0a44dde273cb52b |
| SHA512 | e2d17ac350dea65f8df1208538f4fc22fb035d8b48e05507c3e537236f2b1e1bd28b2daad4ad6be9641bd31f99d5e10e0a5b9f39fa7a575445a2a97078fd2729 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 6b86ab3a613b99b131af740e56de2532 |
| SHA1 | 2996936e8bc970a81bdf7d4105ad56e2a19a3014 |
| SHA256 | d71f353b2555233344d13045399ee1f11209eacf0f3feb34182ab96945ff0a36 |
| SHA512 | 54620ab7cee379c89ca99793e2ff20b512601d06dfa90e1f1e767156908cc33cc563bf1e062cecc79205d85895e098b02fd5a3edd17f128ab5d5100de5335afc |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 4b6c0b105c7d3265a2507bb821754c15 |
| SHA1 | 55790209bfc0c09ed0a53cc59ac5ea58976611a4 |
| SHA256 | 119ae706aa0f2922a3b48cdea8484a0781ee3e695777269fa331868c235c1418 |
| SHA512 | 65279af9ed3ccfa29b202eb7a22333502c7d5ce3bd561ef085b98b65f5d4b0ea535ba32e6799132f93f1fb4d47a83ef3ef28bbafcddc926c83628adca63fba04 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 302894ab2122c1c2fdf3fa8309d43b32 |
| SHA1 | 81193bda0eb78dec0a96747038309a4c99577fe5 |
| SHA256 | 38ff9a78f20c79e818495a0a4da9d3039aeee0dff7a5609c10be765e7912a605 |
| SHA512 | 8fa36b940ac975d262cb8b59111d2e5a4d0970ae0528dcd2e931095d8fb9427b9f3a1576422610e26ca7d89397fdd96e74d29b53dbc0d3ff9710ae818992c261 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 697cba58dfafb86087e9c3ef0b37b84a |
| SHA1 | b4e7a21dec43b70eae7d82d7a8e6acdc5518d2e5 |
| SHA256 | 7691c761c2143b9f17faafc78186ba8f6cb5d082d2dd534eac838a03b2ce6a21 |
| SHA512 | f3ba8769a66afce3ffd5327d4637d896b77509b5e0944484d605b0a0b16bde190e1be8acd5548ba2b7a67d121f6fa654a7d7b6b25d45c7f6982cdf210bdef11d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | e0287edd744fd9ad59e70d21a7b92470 |
| SHA1 | d0c8e17e495a99a04897868e4d67b6747402c0ed |
| SHA256 | 750346e8064d50152c310986c0d45b90824ab3ae8d0b259043c42842d17c8bbb |
| SHA512 | c339b2eb9c1033b69968423bdcf4035706dfe1ea7dfbc51f784601392445b3eb6b762bc101d1205ecd4296c0f4be41a1581dda90f6dbf1c6cb6fb75c2b6a9b3c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | a93fc8351fed79b6f9304e1405bbc0ae |
| SHA1 | 0dd45ba2ec3a88ba776f9c3c924f758225d13bd8 |
| SHA256 | 51f46d712ae324e73ccc29be97edc8369fbd54db880c436503b2f86dd3b211a6 |
| SHA512 | 15d163006dcba57064a7f977b06affc28efecb84b14f5b93ac6caab706ac8965a9416b6aa58704c24cf145c07beaf0344cad6acee53af70f860f159fd3707348 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | f59d9472c87e7ab22dff85a3cedeac4c |
| SHA1 | 90fe2c7d7f5ff4b7327773c7a277c339d26cd3b0 |
| SHA256 | ca441c2f8e0201ba2ece61c0b9abaa50e18afbbab53b4638743e927eb75ecca3 |
| SHA512 | cd34c52a4d18b82ac191695fc49b363adc3c04d123518f484347d124996097b8fdd1a1b66edec44abacc93c5adb5a51e7d56f34c7a419043a420898a76d542b2 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 15eff70d34d8c9d3fb3f92eb163a6ff9 |
| SHA1 | 0b76870f1b3ef6060137c23b2ce637eeca1fcd08 |
| SHA256 | 986ae88e0ecdfd943e50d680d638a786710cf8e720feb590af6745c39bf1ee9f |
| SHA512 | fe96a0f0a0da459d62aac644807da5522134f997cd9fe41caed419cbbaf2636b122a9997a3ba9547ebd0044f54b2f87fe1f077937b08eaf2690682ad4366c84d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 33f401cf356877f76dab5ca3e96ad412 |
| SHA1 | e04379808827f613e37210c7227982d375529191 |
| SHA256 | 0da0892d62762b03e495496ae419a1e2c0e8a5a40547be95095a28f65d4b3f3a |
| SHA512 | ea4a086dd429222554308cc286519b9c6bb9008ab87e357ef9fb3fd8a080d2be9235561b4067e5cb18cad9fa5b572a0ae5e46f9e5babedfb5ce504c6f42b82f1 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | ca112b63256791b8f16b45dd0a9d545c |
| SHA1 | 572cfb1c618633562cbd9e94302b2be2d851eab7 |
| SHA256 | 770547c09f85179abad4fdacdce9d91ecba0dda0df07d7f12c16de456ad8ae01 |
| SHA512 | 925b2ff172e64731f6b173c006d8e0ccd56aff411eddff42c4fe090c3b790e8a3203b447ed615e343b18e85ab7c636aa4ef789ad19f119b8d856563dd9be2536 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 199d3e53740c3cdc65fa6251344d6aa8 |
| SHA1 | 194b025e39ba74349a6794d780b49225a74bb652 |
| SHA256 | 7788bd53048ede6e95ee6e3aac4dd74a3cc3c6bc72e76b27c42fb24e9653c18e |
| SHA512 | b4bc4522434357a71c966b36f0aae5e69bfa7bcdfe53b9dbd5b1e5dc5998912707f8b4ac82058b751fefb60f738e16e1e00415332c29beadedce8cf0ee1f5c7c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 653c3162029e39ed1050f6086fc4d536 |
| SHA1 | 9566dab8a43695d15f62caebe5d61f916d29a035 |
| SHA256 | eb36c5d7a6deac361b85e1d52fe40411fb79cd18a763f8ab9022e61ff9ff2c6a |
| SHA512 | 5b5e00d2e5899ea962c6fbf7a9e62825889620f09d04f62efa9e8dbdc020e0cebdad567a3eb0e4f6e8705d883b0666f1176670d8d88cfcf3cdb3eb46ad69b5d8 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 7d2584098214709f6b91c82a51dfc023 |
| SHA1 | 3a6bae9db57f903cd6601e1b285b4cb43ab7fbad |
| SHA256 | 513aaf879c11ab297ce733e5f8b62530845d251138f5fbb434d85c9038f93a82 |
| SHA512 | b0ab47a09498f54a02c6459822eac3a6ae645273023f6e3f55f1e0047a3f44b757b9e488f43278bc8859443242b867cb3759696909c731f5547f725d4d18b31a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 264eca0f7803e19e5efa33b2be66ac58 |
| SHA1 | d9c33c97eb62e3c5f117cf100872c1d65cf47d59 |
| SHA256 | 5724cd9b091aafd075462bade92064419e2cdad1b491caab521cfabd5563d9ea |
| SHA512 | 8d02aa69526ea77f61e3c18d7be440cbb8a3b3ee10620e49ff7803b1acb1e9da5aff34af6617721febcdc738663328fd38d298964495f91db93e0a114757b620 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 865774acc00f3c822601fab8dda80456 |
| SHA1 | a41600127f2339417d71bd748b5fd145ed119210 |
| SHA256 | aa512da17c9091e9d47031933738a24263397f0bf78c8a0e57dfe650492ea9b0 |
| SHA512 | bc0fc1e7fedaee279df8bcc82744b98d4de9208a32869174b914934bfe6f6eefb38c5c1978112fad69891b84f64eba4471e5a77209e914ef8268f9e4587ba695 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 5b39a8c99ed39916d453c2756064dee6 |
| SHA1 | d68708f3f284166eb048ce80fe9b4f1966d48149 |
| SHA256 | 1cd1ae0f6b0849b7d96616022dfed391412443229410ef204f600fc3dba300f7 |
| SHA512 | f9aa4e2b39dca67eac663303b4055686d6da44b174d55dbcb3861b2878ff885936c7646472100d44addd04adf554a16eb633f26131e086246a820e003c6802af |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | cbeabf73ef523ac7669e3b57f2ca6a54 |
| SHA1 | e9c76c264d7b27dbf0206da058b00c73b6579525 |
| SHA256 | f9a315886c8528cf8bb419a6e6fe06c2133a665bb4ecc928cfa38771492bac45 |
| SHA512 | 03cf940624d6d804fae2cd8ff864a85213018fd950762d937fed368f6c18fe6c5227304a8e69dad8ee7cd2472b1052a1dc518de4343085076ae5c08d7a2619e8 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 44cbbc318ffc7d8315d9808509b358f2 |
| SHA1 | c1e5cb26dce699056f65a1e29b5e7c8ad92846f8 |
| SHA256 | 74beda52899094a106526c63398d793df6a811d54064ead3d4302284dca32094 |
| SHA512 | 585f5b1b8a0dd1fc254d765d18760e225c4eb7f99f68490142fa4a5e22dd572fa5eb525aacbf1ec151387c211b802577fef0ea272b987cdcee0df9aebe52d598 |
Analysis: behavioral8
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
148s
Max time network
158s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | i.pinimg.com | udp |
| BE | 23.41.178.74:443 | i.pinimg.com | tcp |
| US | 8.8.8.8:53 | 74.178.41.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.173.189.20.in-addr.arpa | udp |
Files
memory/4648-0-0x00007FFBE9C30000-0x00007FFBEA12E000-memory.dmp
memory/4648-1-0x00007FFBE9C30000-0x00007FFBEA12E000-memory.dmp
Analysis: behavioral11
Detonation Overview
Submitted
2024-04-13 17:48
Reported
2024-04-13 17:52
Platform
win10v2004-20240412-en
Max time kernel
146s
Max time network
160s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\HelpPane.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\HelpPane.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 122.10.44.20.in-addr.arpa | udp |