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
2024-08-05 22:37
Signatures
AmmyyAdmin payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Ammyyadmin family
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-05 22:37
Reported
2024-08-05 22:40
Platform
win7-20240705-en
Max time kernel
120s
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 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 2768 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
| PID 2768 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
| PID 2768 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
| PID 2768 wrote to memory of 2800 | 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 | 006d1c6da8e538cc9ffe408d951a6584 |
| SHA1 | 40968b80fe53fa2909bf290e846efdebdb3fa04a |
| SHA256 | 9944f7617e1d4dedaddd29b0a4aeb024752c4db24ca0f6ac34d405a5c01fea85 |
| SHA512 | ee994df50cc57840a3b27ad8c4bd2d8311a3274b87733b14f2390e8af93be61496f14e601331e6d14020f2cdb8195935d2629add2320cda833c725407cbdaae0 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-05 22:37
Reported
2024-08-05 22:40
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
150s
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 4820 wrote to memory of 1644 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
| PID 4820 wrote to memory of 1644 | N/A | C:\Users\Admin\AppData\Local\Temp\rh111.exe | C:\Users\Admin\AppData\Local\Temp\rh111.exe |
| PID 4820 wrote to memory of 1644 | 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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | 34f6e3e979569abbe83f37d16960e571 |
| SHA1 | 679e3acfb6562ce40907c413f6a388eb170c163a |
| SHA256 | 9d941d84d5992f77edd76f4b75c413806bce5bf17262c9b5dcd80dc919cca22f |
| SHA512 | d04fd4814fd5186dfb1c34962b6248f2748532370dc3538cef0504da1d5b7b2e53c6c896e5d7401ce25fd0e844e44c778201182c62df87a33aac977390239256 |