Analysis Overview
SHA256
c4321f8a7c6225614746430b2f64998ef2bb9f4dcc94d8c5226c70c35eeb9039
Threat Level: Known bad
The file c4321f8a7c6225614746430b2f64998ef2bb9f4dcc94d8c5226c70c35eeb9039 was found to be: Known bad.
Malicious Activity Summary
Cheetah Keylogger Payload
Cheetah Keylogger
Obfuscated with Agile.Net obfuscator
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
outlook_office_path
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
outlook_win_path
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-05-21 01:43
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-21 01:43
Reported
2022-05-21 02:35
Platform
win7-20220414-en
Max time kernel
142s
Max time network
165s
Command Line
Signatures
Cheetah Keylogger
Cheetah Keylogger Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Obfuscated with Agile.Net obfuscator
| 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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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 1392 set thread context of 880 | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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 | mail.mmpsecurity.co.za | udp |
| ZA | 102.219.84.7:587 | mail.mmpsecurity.co.za | tcp |
Files
memory/1392-54-0x0000000000070000-0x00000000000D6000-memory.dmp
memory/1392-55-0x0000000000530000-0x0000000000546000-memory.dmp
memory/1392-56-0x0000000075951000-0x0000000075953000-memory.dmp
memory/1392-57-0x0000000001D10000-0x0000000001D18000-memory.dmp
memory/1392-58-0x0000000001DB0000-0x0000000001DB8000-memory.dmp
memory/1392-59-0x0000000001DC0000-0x0000000001DCA000-memory.dmp
memory/880-60-0x0000000000400000-0x0000000000422000-memory.dmp
memory/880-61-0x0000000000400000-0x0000000000422000-memory.dmp
memory/880-63-0x0000000000400000-0x0000000000422000-memory.dmp
memory/880-64-0x0000000000400000-0x0000000000422000-memory.dmp
memory/880-65-0x000000000041FE3E-mapping.dmp
memory/880-67-0x0000000000400000-0x0000000000422000-memory.dmp
memory/880-69-0x0000000000400000-0x0000000000422000-memory.dmp
memory/880-70-0x0000000000200000-0x0000000000236000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-21 01:43
Reported
2022-05-21 02:35
Platform
win10v2004-20220414-en
Max time kernel
123s
Max time network
167s
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\InstallUtil.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\InstallUtil.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\InstallUtil.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 4052 set thread context of 3908 | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Suspicious use of WriteProcessMemory
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\InstallUtil.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\InstallUtil.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| US | 104.208.16.90:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 14.110.152.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ifconfig.me | udp |
| US | 34.117.59.81:80 | ifconfig.me | tcp |
| US | 8.8.8.8:53 | mail.mmpsecurity.co.za | udp |
| ZA | 102.219.84.7:587 | mail.mmpsecurity.co.za | tcp |
Files
memory/4052-130-0x0000000000C90000-0x0000000000CF6000-memory.dmp
memory/4052-131-0x0000000006320000-0x00000000068C4000-memory.dmp
memory/4052-132-0x0000000005E70000-0x0000000005F02000-memory.dmp
memory/4052-133-0x0000000006280000-0x00000000062C4000-memory.dmp
memory/4052-134-0x0000000006900000-0x0000000006922000-memory.dmp
memory/3908-135-0x0000000000000000-mapping.dmp
memory/3908-136-0x0000000000400000-0x0000000000422000-memory.dmp
memory/3908-137-0x0000000005D60000-0x0000000005DFC000-memory.dmp
memory/3908-138-0x00000000067E0000-0x00000000069A2000-memory.dmp
memory/3908-139-0x0000000006C20000-0x0000000006C86000-memory.dmp
memory/3908-140-0x0000000007140000-0x000000000714A000-memory.dmp