Analysis Overview
SHA256
6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5
Threat Level: Known bad
The file 6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5 was found to be: Known bad.
Malicious Activity Summary
Cheetah Keylogger Payload
Cheetah Keylogger
Executes dropped EXE
Obfuscated with Agile.Net obfuscator
Reads user/profile data of local email clients
Loads dropped DLL
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious use of AdjustPrivilegeToken
outlook_win_path
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-27 04:22
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-27 04:22
Reported
2022-02-27 04:25
Platform
win7-20220223-en
Max time kernel
4294183s
Max time network
145s
Command Line
Signatures
Cheetah Keylogger
Cheetah Keylogger Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe | N/A |
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\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 844 set thread context of 1700 | N/A | C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe
"C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe"
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\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.aviner.co.za | udp |
| ZA | 102.130.117.53:587 | mail.aviner.co.za | tcp |
Files
memory/844-54-0x0000000000E20000-0x0000000000E7A000-memory.dmp
memory/844-55-0x000000007437E000-0x000000007437F000-memory.dmp
memory/844-56-0x0000000000550000-0x0000000000564000-memory.dmp
memory/844-57-0x0000000000750000-0x0000000000758000-memory.dmp
memory/844-58-0x0000000000770000-0x0000000000778000-memory.dmp
memory/844-59-0x0000000004340000-0x0000000004341000-memory.dmp
memory/844-60-0x0000000000780000-0x0000000000788000-memory.dmp
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
| MD5 | 91c9ae9c9a17a9db5e08b120e668c74c |
| SHA1 | 50770954c1ceb0bb6f1d5d3f2de2a0a065773723 |
| SHA256 | e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f |
| SHA512 | ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e |
memory/1700-62-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1700-63-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1700-64-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1700-65-0x0000000000400000-0x0000000000422000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
| MD5 | 91c9ae9c9a17a9db5e08b120e668c74c |
| SHA1 | 50770954c1ceb0bb6f1d5d3f2de2a0a065773723 |
| SHA256 | e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f |
| SHA512 | ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e |
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
| MD5 | 91c9ae9c9a17a9db5e08b120e668c74c |
| SHA1 | 50770954c1ceb0bb6f1d5d3f2de2a0a065773723 |
| SHA256 | e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f |
| SHA512 | ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e |
memory/1700-68-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1700-69-0x00000000003A0000-0x00000000003D6000-memory.dmp
memory/1700-71-0x0000000004B70000-0x0000000004B71000-memory.dmp
memory/1700-70-0x000000007437E000-0x000000007437F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-27 04:22
Reported
2022-02-27 04:25
Platform
win10v2004-en-20220112
Max time kernel
117s
Max time network
151s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\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 2744 set thread context of 3680 | N/A | C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe
"C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe"
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.238.20.254:80 | tcp | |
| US | 8.238.20.254:80 | tcp | |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| US | 52.179.216.235:443 | geo.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | kv801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | cp801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 104.80.224.57:443 | 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.aviner.co.za | udp |
| ZA | 102.130.117.53:587 | mail.aviner.co.za | tcp |
Files
memory/2744-130-0x00000000000F0000-0x000000000014A000-memory.dmp
memory/2744-131-0x00000000746FE000-0x00000000746FF000-memory.dmp
memory/2744-132-0x0000000005000000-0x00000000055A4000-memory.dmp
memory/2744-133-0x0000000004AF0000-0x0000000004B82000-memory.dmp
memory/2744-134-0x0000000004F10000-0x0000000004F54000-memory.dmp
memory/2744-135-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
memory/2744-136-0x0000000004AE1000-0x0000000004AE2000-memory.dmp
memory/2744-137-0x0000000005D70000-0x0000000005D92000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
| MD5 | 5d4073b2eb6d217c19f2b22f21bf8d57 |
| SHA1 | f0209900fbf08d004b886a0b3ba33ea2b0bf9da8 |
| SHA256 | ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3 |
| SHA512 | 9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159 |
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
| MD5 | 5d4073b2eb6d217c19f2b22f21bf8d57 |
| SHA1 | f0209900fbf08d004b886a0b3ba33ea2b0bf9da8 |
| SHA256 | ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3 |
| SHA512 | 9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159 |
memory/3680-141-0x00000000001C0000-0x00000000001E2000-memory.dmp
memory/3680-142-0x0000000004F00000-0x0000000004F9C000-memory.dmp
memory/3680-143-0x00000000746FE000-0x00000000746FF000-memory.dmp
memory/3680-144-0x0000000004A20000-0x0000000004A21000-memory.dmp
memory/3680-145-0x0000000005960000-0x0000000005B22000-memory.dmp
memory/3680-146-0x0000000005EA0000-0x0000000005F06000-memory.dmp
memory/3680-147-0x00000000062E0000-0x00000000062EA000-memory.dmp