Analysis Overview
SHA256
d1acea1398cdd89532e97a2d897aa213ce4179d84d87ae0707696d764b925c38
Threat Level: Known bad
The file d1acea1398cdd89532e97a2d897aa213ce4179d84d87ae0707696d764b925c38 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
Drops file in Windows directory
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_win_path
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-02-05 09:43
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-05 09:43
Reported
2022-02-05 09:46
Platform
win7-en-20211208
Max time kernel
147s
Max time network
134s
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-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\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 1532 set thread context of 1156 | N/A | C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.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\UIF Covid-19.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.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\UIF Covid-19.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-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\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\UIF Covid-19.exe
"C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.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.baconplumbing.co.za | udp |
| ZA | 156.38.200.58:587 | mail.baconplumbing.co.za | tcp |
Files
memory/1532-54-0x00000000009D0000-0x0000000000A30000-memory.dmp
memory/1532-55-0x0000000000220000-0x0000000000236000-memory.dmp
memory/1532-56-0x0000000004860000-0x0000000004861000-memory.dmp
memory/1156-57-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1156-58-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1156-59-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1156-60-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1156-61-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1156-62-0x0000000000360000-0x0000000000396000-memory.dmp
memory/1156-63-0x0000000076491000-0x0000000076493000-memory.dmp
memory/1156-64-0x0000000004E30000-0x0000000004E31000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-05 09:43
Reported
2022-02-05 09:46
Platform
win10v2004-en-20220113
Max time kernel
13s
Max time network
17s
Command Line
Signatures
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.edb | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm | C:\Windows\system32\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe
"C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| US | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
| US | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
Files
memory/1932-130-0x0000000000C80000-0x0000000000CE0000-memory.dmp
memory/1932-131-0x0000000005C80000-0x0000000006224000-memory.dmp
memory/1932-132-0x00000000056D0000-0x0000000005762000-memory.dmp
memory/1932-133-0x0000000005620000-0x0000000005642000-memory.dmp
memory/4728-134-0x000002B1C3160000-0x000002B1C3170000-memory.dmp
memory/4728-141-0x000002B1C5EE0000-0x000002B1C5EE4000-memory.dmp