Analysis Overview
SHA256
ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a
Threat Level: Known bad
The file rh111.exe was found to be: Known bad.
Malicious Activity Summary
AmmyyAdmin payload
Ammyyadmin family
FlawedAmmyy RAT
Writes to the Master Boot Record (MBR)
System Location Discovery: System Language Discovery
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-16 06:44
Signatures
AmmyyAdmin payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Ammyyadmin family
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-16 06:44
Reported
2024-08-16 06:47
Platform
win7-20240708-en
Max time kernel
118s
Max time network
120s
Command Line
Signatures
FlawedAmmyy RAT
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\rh111.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rh111.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rh111.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rh111.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1720 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
| PID 1720 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
| PID 1720 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
| PID 1720 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\rh111.exe
"C:\Users\Admin\AppData\Local\Temp\rh111.exe"
C:\Users\Admin\AppData\Local\Temp\rh111.exe
"C:\Users\Admin\AppData\Local\Temp\rh111.exe" -service -lunch
C:\Users\Admin\AppData\Local\Temp\rh111.exe
"C:\Users\Admin\AppData\Local\Temp\rh111.exe"
Network
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | 15248b10e6dd7e3406f4f64063746caa |
| SHA1 | 403d8b98d2a47479605530b36e74b1100540acd5 |
| SHA256 | 999b4396ac41cf4e1e67b874dc1491bb192e015ab5f3284debd4088e3b514b37 |
| SHA512 | b112ab4378ebc6e8f2952a47dd7c0d118987018e9b586bfd11c65c1ac8ab33426f59100cfb514266ab62e0c35cbfa650aed91acf81c792e261f2b998189efe02 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-16 06:44
Reported
2024-08-16 06:47
Platform
win10v2004-20240802-en
Max time kernel
135s
Max time network
121s
Command Line
Signatures
FlawedAmmyy RAT
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\rh111.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rh111.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rh111.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rh111.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 632 wrote to memory of 4500 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
| PID 632 wrote to memory of 4500 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
| PID 632 wrote to memory of 4500 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\rh111.exe
"C:\Users\Admin\AppData\Local\Temp\rh111.exe"
C:\Users\Admin\AppData\Local\Temp\rh111.exe
"C:\Users\Admin\AppData\Local\Temp\rh111.exe" -service -lunch
C:\Users\Admin\AppData\Local\Temp\rh111.exe
"C:\Users\Admin\AppData\Local\Temp\rh111.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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 68.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | 27dadd59bd2f673aed38ea464bdaf683 |
| SHA1 | 913e9be810c4bef8359757de7157a574522cea8e |
| SHA256 | d5222c432d7870cec22e7df697c9379138866580d2e5e98fabfad04a5fc66f97 |
| SHA512 | 84271ff37b4e60f2f3b6c8b8160434b2735ff8fcae1d1b46215d67735b92dda6333fe740e4c588fe2041ceb1bf54d7cc5b6b22169729e630f80718e0578f5c35 |