Analysis Overview
SHA256
4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8
Threat Level: Known bad
The file 4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8 was found to be: Known bad.
Malicious Activity Summary
Gh0st RAT payload
Gh0strat
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-05 22:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-05 22:30
Reported
2024-06-05 22:32
Platform
win7-20240508-en
Max time kernel
150s
Max time network
122s
Command Line
Signatures
Gh0st RAT payload
| Description | Indicator | Process | Target |
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Gh0strat
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Windows\svchest000.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe" | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | \??\c:\Windows\BJ.exe | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | N/A |
| File opened for modification | \??\c:\Windows\BJ.exe | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | N/A |
| File created | \??\c:\Windows\svchest000.exe | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | N/A |
| File opened for modification | \??\c:\Windows\svchest000.exe | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2904 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | \??\c:\Windows\svchest000.exe |
| PID 2904 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | \??\c:\Windows\svchest000.exe |
| PID 2904 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | \??\c:\Windows\svchest000.exe |
| PID 2904 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | \??\c:\Windows\svchest000.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe
"C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe"
\??\c:\Windows\svchest000.exe
c:\Windows\svchest000.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | aa0533.3322.org | udp |
Files
memory/2904-0-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2904-1-0x00000000003A0000-0x00000000003DE000-memory.dmp
memory/2904-10-0x0000000000401000-0x0000000000468000-memory.dmp
memory/2904-9-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2904-8-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2904-6-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/2904-5-0x0000000000270000-0x0000000000271000-memory.dmp
memory/2904-4-0x00000000001E0000-0x00000000001E2000-memory.dmp
memory/2904-3-0x00000000003A0000-0x00000000003DE000-memory.dmp
memory/2904-2-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2904-7-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2904-15-0x0000000000400000-0x000000000054B000-memory.dmp
C:\Windows\svchest000.exe
| MD5 | 99bf9a530000c1d13f5a0a84e6fa89d0 |
| SHA1 | 37ea9b81707c9f904a12e7a6444defc1fb0e64e4 |
| SHA256 | 4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8 |
| SHA512 | 07570afb01e5cde84930946b10934f5097a6ae17984fb836e416f25beb72a89799357f51925d276e1b42034f0f95cfbe6fd78e5313ff51ba96b596f4d6e938dc |
memory/2576-19-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2576-25-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2576-26-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2576-28-0x00000000002D0000-0x000000000030E000-memory.dmp
memory/2576-27-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2576-31-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2576-24-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2576-23-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2576-21-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2576-22-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2576-20-0x00000000002D0000-0x000000000030E000-memory.dmp
memory/2904-32-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2904-33-0x00000000003A0000-0x00000000003DE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-05 22:30
Reported
2024-06-05 22:32
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
92s
Command Line
Signatures
Gh0st RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Gh0strat
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Windows\svchest425075242507520.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe" | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\Windows\BJ.exe | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | N/A |
| File created | \??\c:\Windows\BJ.exe | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | N/A |
| File created | \??\c:\Windows\svchest425075242507520.exe | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | N/A |
| File opened for modification | \??\c:\Windows\svchest425075242507520.exe | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2344 wrote to memory of 4036 | N/A | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | \??\c:\Windows\svchest425075242507520.exe |
| PID 2344 wrote to memory of 4036 | N/A | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | \??\c:\Windows\svchest425075242507520.exe |
| PID 2344 wrote to memory of 4036 | N/A | C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe | \??\c:\Windows\svchest425075242507520.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe
"C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe"
\??\c:\Windows\svchest425075242507520.exe
c:\Windows\svchest425075242507520.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | aa0533.3322.org | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
Files
memory/2344-0-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2344-1-0x0000000000800000-0x000000000083E000-memory.dmp
memory/2344-3-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2344-2-0x0000000000800000-0x000000000083E000-memory.dmp
memory/2344-5-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2344-11-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2344-10-0x0000000000401000-0x0000000000468000-memory.dmp
memory/2344-9-0x00000000007E0000-0x00000000007E1000-memory.dmp
memory/2344-8-0x00000000007D0000-0x00000000007D2000-memory.dmp
memory/2344-7-0x0000000000670000-0x0000000000671000-memory.dmp
memory/2344-6-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2344-4-0x0000000000400000-0x000000000054B000-memory.dmp
C:\Windows\svchest425075242507520.exe
| MD5 | 99bf9a530000c1d13f5a0a84e6fa89d0 |
| SHA1 | 37ea9b81707c9f904a12e7a6444defc1fb0e64e4 |
| SHA256 | 4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8 |
| SHA512 | 07570afb01e5cde84930946b10934f5097a6ae17984fb836e416f25beb72a89799357f51925d276e1b42034f0f95cfbe6fd78e5313ff51ba96b596f4d6e938dc |
memory/4036-19-0x0000000000400000-0x000000000054B000-memory.dmp
memory/4036-26-0x0000000000400000-0x000000000054B000-memory.dmp
memory/4036-23-0x0000000000400000-0x000000000054B000-memory.dmp
memory/4036-24-0x0000000000400000-0x000000000054B000-memory.dmp
memory/4036-22-0x0000000000400000-0x000000000054B000-memory.dmp
memory/4036-21-0x0000000000400000-0x000000000054B000-memory.dmp
memory/4036-20-0x0000000002050000-0x000000000208E000-memory.dmp
memory/4036-29-0x0000000002050000-0x000000000208E000-memory.dmp
memory/4036-28-0x0000000000400000-0x000000000054B000-memory.dmp
memory/4036-27-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2344-31-0x0000000000400000-0x000000000054B000-memory.dmp
memory/2344-32-0x0000000000800000-0x000000000083E000-memory.dmp