Analysis Overview
SHA256
aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a
Threat Level: Known bad
The file aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a was found to be: Known bad.
Malicious Activity Summary
Cheetah Keylogger
Cheetah Keylogger Payload
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Suspicious use of SetThreadContext
AutoIT Executable
Program crash
outlook_win_path
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
outlook_office_path
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-06-25 05:25
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-25 05:25
Reported
2022-06-25 06:24
Platform
win7-20220414-en
Max time kernel
190s
Max time network
137s
Command Line
Signatures
Cheetah Keylogger
Cheetah Keylogger Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ifconfig.me | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1936 set thread context of 1640 | N/A | C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe
"C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ifconfig.me | udp |
| US | 34.117.59.81:80 | ifconfig.me | tcp |
| US | 8.8.8.8:53 | webmail.bhavnatutor.com | udp |
| US | 162.211.86.20:587 | webmail.bhavnatutor.com | tcp |
Files
memory/1936-54-0x00000000763E1000-0x00000000763E3000-memory.dmp
memory/1936-55-0x0000000000380000-0x00000000003C2000-memory.dmp
memory/1640-56-0x000000000042250E-mapping.dmp
memory/1936-57-0x0000000000C10000-0x0000000000C52000-memory.dmp
memory/1640-58-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1640-59-0x0000000000540000-0x000000000057A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-25 05:25
Reported
2022-06-25 06:23
Platform
win10v2004-20220414-en
Max time kernel
191s
Max time network
212s
Command Line
Signatures
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ifconfig.me | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4828 set thread context of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4828 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 4828 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 4828 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 4828 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe
"C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 548 -ip 548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 548 -s 548
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | ifconfig.me | udp |
| US | 34.117.59.81:80 | ifconfig.me | tcp |
Files
memory/4828-130-0x0000000003E10000-0x0000000003E52000-memory.dmp
memory/548-131-0x0000000000000000-mapping.dmp
memory/4828-132-0x0000000003CF0000-0x0000000003D32000-memory.dmp
memory/548-133-0x0000000000400000-0x0000000000426000-memory.dmp
memory/548-134-0x0000000005D80000-0x0000000005E1C000-memory.dmp
memory/548-135-0x00000000063D0000-0x0000000006974000-memory.dmp
memory/548-136-0x0000000005FC0000-0x0000000006052000-memory.dmp
memory/548-137-0x0000000006980000-0x0000000006B42000-memory.dmp