Analysis Overview
SHA256
1da5b144be7b321399e604ff0173fd831c9cd0588365f3dbf9f08a68d943b4d5
Threat Level: Known bad
The file ba.exe was found to be: Known bad.
Malicious Activity Summary
Bitrat family
BitRAT
Adds Run key to start application
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-01 05:54
Signatures
Bitrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-01 05:54
Reported
2023-09-01 05:57
Platform
win10v2004-20230831-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
BitRAT
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater" | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater\uff00" | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater萀" | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater먀" | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ba.exe
"C:\Users\Admin\AppData\Local\Temp\ba.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 54.120.234.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | rornfl12.duckdns.org | udp |
| KR | 112.173.56.153:3072 | rornfl12.duckdns.org | tcp |
| US | 8.8.8.8:53 | 153.56.173.112.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | rornfl12.duckdns.org | udp |
| US | 8.8.8.8:53 | 233.141.123.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | rornfl12.duckdns.org | udp |
Files
memory/2000-0-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2000-1-0x0000000074A80000-0x0000000074AB9000-memory.dmp
memory/2000-2-0x0000000074740000-0x0000000074779000-memory.dmp
memory/2000-3-0x0000000074740000-0x0000000074779000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-01 05:54
Reported
2023-09-01 05:57
Platform
win7-20230831-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
BitRAT
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater" | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ba.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ba.exe
"C:\Users\Admin\AppData\Local\Temp\ba.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | rornfl12.duckdns.org | udp |
| KR | 112.173.56.153:3072 | rornfl12.duckdns.org | tcp |
| US | 8.8.8.8:53 | rornfl12.duckdns.org | udp |
| US | 8.8.8.8:53 | rornfl12.duckdns.org | udp |
| US | 8.8.8.8:53 | rornfl12.duckdns.org | udp |
Files
memory/2236-0-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2236-1-0x0000000000260000-0x000000000026A000-memory.dmp
memory/2236-2-0x0000000000260000-0x000000000026A000-memory.dmp
memory/2236-3-0x0000000000260000-0x000000000026A000-memory.dmp
memory/2236-4-0x0000000000260000-0x000000000026A000-memory.dmp