Analysis Overview
SHA256
ac43825c40c583e02818f1f76e97376fa1f94451e41acc8ce58afc84f081577d
Threat Level: Known bad
The file 39c096e77e2ce57c75d07b577dbf5899b5e883a3d3435a0a3d0313a52718496a.zip was found to be: Known bad.
Malicious Activity Summary
Remcos
Credentials from Password Stores: Credentials from Web Browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Detected Nirsoft tools
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-14 22:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-14 22:40
Reported
2024-08-14 22:44
Platform
win11-20240802-en
Max time kernel
154s
Max time network
154s
Command Line
Signatures
Remcos
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
| 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 |
NirSoft MailPassView
| 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 |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-6179872-1886041298-1573312864-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3280 set thread context of 4356 | N/A | C:\Users\Admin\AppData\Local\Temp\39c096e77e2ce57c75d07b577dbf5899b5e883a3d3435a0a3d0313a52718496a.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe |
| PID 4356 set thread context of 568 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe |
| PID 4356 set thread context of 1376 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe |
| PID 4356 set thread context of 3660 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Panther\UnattendGC\setupact.log | C:\Windows\System32\oobe\UserOOBEBroker.exe | N/A |
| File opened for modification | C:\Windows\Panther\UnattendGC\setuperr.log | C:\Windows\System32\oobe\UserOOBEBroker.exe | N/A |
| File opened for modification | C:\Windows\Panther\UnattendGC\diagerr.xml | C:\Windows\System32\oobe\UserOOBEBroker.exe | N/A |
| File opened for modification | C:\Windows\Panther\UnattendGC\diagwrn.xml | C:\Windows\System32\oobe\UserOOBEBroker.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\DllHost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\39c096e77e2ce57c75d07b577dbf5899b5e883a3d3435a0a3d0313a52718496a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\39c096e77e2ce57c75d07b577dbf5899b5e883a3d3435a0a3d0313a52718496a.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\39c096e77e2ce57c75d07b577dbf5899b5e883a3d3435a0a3d0313a52718496a.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\39c096e77e2ce57c75d07b577dbf5899b5e883a3d3435a0a3d0313a52718496a.exe
"C:\Users\Admin\AppData\Local\Temp\39c096e77e2ce57c75d07b577dbf5899b5e883a3d3435a0a3d0313a52718496a.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe /stext "C:\Users\Admin\AppData\Local\Temp\acydjhnbybzxb"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe /stext "C:\Users\Admin\AppData\Local\Temp\ledoczyvmjrcmrfwj"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe /stext "C:\Users\Admin\AppData\Local\Temp\vyigcsiwarjhoxbatjav"
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,Control_RunDLL C:\Windows\System32\srchadmin.dll ,
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
C:\Windows\System32\oobe\UserOOBEBroker.exe
C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| LT | 194.169.175.190:2404 | tcp | |
| US | 8.8.8.8:53 | 190.175.169.194.in-addr.arpa | udp |
| LT | 194.169.175.190:2404 | tcp | |
| LT | 194.169.175.190:2404 | tcp | |
| GB | 104.86.110.91:443 | tcp | |
| GB | 104.86.110.91:443 | tcp | |
| US | 20.189.173.10:443 | browser.pipe.aria.microsoft.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| GB | 92.123.142.163:443 | r.bing.com | tcp |
| GB | 92.123.142.163:443 | r.bing.com | tcp |
| GB | 92.123.142.163:443 | r.bing.com | tcp |
| GB | 92.123.142.163:443 | r.bing.com | tcp |
| GB | 92.123.142.163:443 | r.bing.com | tcp |
| GB | 92.123.142.163:443 | r.bing.com | tcp |
| GB | 92.123.142.163:443 | r.bing.com | tcp |
| GB | 92.123.142.163:443 | r.bing.com | tcp |
| GB | 92.123.142.163:443 | r.bing.com | tcp |
| GB | 92.123.142.163:443 | r.bing.com | tcp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| GB | 92.123.142.153:443 | www.bing.com | tcp |
| GB | 23.62.195.195:443 | cxcs.microsoft.net | tcp |
Files
memory/3280-0-0x00007FFA1A573000-0x00007FFA1A575000-memory.dmp
memory/3280-1-0x0000018E49E30000-0x0000018E49EDC000-memory.dmp
memory/3280-2-0x0000018E643A0000-0x0000018E6441E000-memory.dmp
memory/3280-3-0x00007FFA1A570000-0x00007FFA1B032000-memory.dmp
memory/3280-4-0x0000018E4A2E0000-0x0000018E4A2F4000-memory.dmp
memory/4356-5-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-7-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-9-0x00007FFA1A570000-0x00007FFA1B032000-memory.dmp
memory/4356-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/568-18-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1376-19-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1376-25-0x0000000000400000-0x0000000000462000-memory.dmp
memory/568-30-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1376-31-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1376-35-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1376-37-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3660-36-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3660-29-0x0000000000400000-0x0000000000424000-memory.dmp
memory/568-28-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3660-27-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3660-26-0x0000000000400000-0x0000000000424000-memory.dmp
memory/568-24-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3660-21-0x0000000000400000-0x0000000000424000-memory.dmp
memory/568-39-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\acydjhnbybzxb
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/4356-41-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4356-45-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4356-44-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4356-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-55-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\logs\Common\FileCoAuth-2024-8-14.2242.1800.1.odl
| MD5 | ccfa91c2843af000942a31acd009a58b |
| SHA1 | 82e0b7386d84fcb3e4417d73d7fc3277d524261b |
| SHA256 | 8158177911b2fcb9a5e996c4f8c2d5b61c907dc9d41896e1f01f047bbc29afff |
| SHA512 | 567ed0d86cce52fe5321bf3a9861cf1048fc802305b94ed7cbb8301f8a05532cfa5cba7c08bb32f21fcf6d888f29c9ff7e3c96e1a666504d51d996640eadcdc4 |
memory/4356-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-63-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4356-64-0x0000000000400000-0x0000000000482000-memory.dmp