Analysis Overview
SHA256
771750971a05a00827d90831fd751117160cfb014f8171c9999b13631439deff
Threat Level: Known bad
The file 771750971a05a00827d90831fd751117160cfb014f8171c9999b13631439deff was found to be: Known bad.
Malicious Activity Summary
Cheetah Keylogger Payload
Cheetah Keylogger
Obfuscated with Agile.Net obfuscator
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Suspicious use of SetThreadContext
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-05-21 02:43
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-21 02:43
Reported
2022-05-21 04:09
Platform
win10v2004-20220414-en
Max time kernel
103s
Max time network
152s
Command Line
Signatures
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\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 2848 set thread context of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order.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\Purchase Order.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order.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\Purchase Order.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-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.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 | 93.184.220.29:80 | tcp | |
| NL | 88.221.144.179:80 | tcp | |
| US | 20.42.73.25:443 | tcp | |
| 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.medis.co.za | udp |
| ZA | 196.15.191.3:587 | mail.medis.co.za | tcp |
| NL | 104.97.14.81:80 | tcp | |
| NL | 104.97.14.81:80 | tcp | |
| NL | 104.97.14.81:80 | tcp | |
| FR | 2.18.109.224:443 | tcp | |
| US | 104.18.24.243:80 | tcp |
Files
memory/2848-130-0x0000000000180000-0x00000000001EA000-memory.dmp
memory/2848-131-0x0000000005820000-0x0000000005DC4000-memory.dmp
memory/2848-132-0x0000000005370000-0x0000000005402000-memory.dmp
memory/2848-133-0x0000000005DD0000-0x0000000005E14000-memory.dmp
memory/2848-134-0x00000000054D0000-0x00000000054F2000-memory.dmp
memory/2576-135-0x0000000000000000-mapping.dmp
memory/2576-136-0x0000000000400000-0x0000000000422000-memory.dmp
memory/2576-137-0x00000000059E0000-0x0000000005A7C000-memory.dmp
memory/2576-138-0x0000000006460000-0x0000000006622000-memory.dmp
memory/2576-139-0x0000000006AE0000-0x0000000006B46000-memory.dmp
memory/2576-140-0x0000000006AD0000-0x0000000006ADA000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-21 02:43
Reported
2022-05-21 04:09
Platform
win7-20220414-en
Max time kernel
116s
Max time network
106s
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-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\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 1460 set thread context of 1992 | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order.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\Purchase Order.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order.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\Purchase Order.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-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\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\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.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.medis.co.za | udp |
| ZA | 196.15.191.3:587 | mail.medis.co.za | tcp |
Files
memory/1460-54-0x00000000012C0000-0x000000000132A000-memory.dmp
memory/1460-55-0x00000000001E0000-0x00000000001F6000-memory.dmp
memory/1460-56-0x00000000763E1000-0x00000000763E3000-memory.dmp
memory/1460-57-0x0000000000410000-0x0000000000418000-memory.dmp
memory/1460-58-0x00000000004E0000-0x00000000004E8000-memory.dmp
memory/1460-59-0x00000000004F0000-0x00000000004FA000-memory.dmp
memory/1992-60-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1992-61-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1992-63-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1992-64-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1992-65-0x000000000041FEBE-mapping.dmp
memory/1992-67-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1992-69-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1992-70-0x00000000003C0000-0x00000000003F6000-memory.dmp