Analysis Overview
SHA256
f4cd82ce764e25ecbf3b5c7eae612b80ead673fd0972bbb2ade03d13e7cb04d0
Threat Level: Known bad
The file 4266162511897dafbb0e9428da74d3a0N.exe was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Modifies Windows Firewall
Executes dropped EXE
Drops startup file
Checks computer location settings
Drops desktop.ini file(s)
Adds Run key to start application
Drops file in Windows directory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-18 01:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-18 01:18
Reported
2024-07-18 01:20
Platform
win7-20240704-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f656afb493902a1bbc08f2be8001048a.exe | C:\Users\Admin\AppData\Local\Temp\chrome.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f656afb493902a1bbc08f2be8001048a.exe | C:\Users\Admin\AppData\Local\Temp\chrome.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\chrome.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f656afb493902a1bbc08f2be8001048a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .." | C:\Users\Admin\AppData\Local\Temp\chrome.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\f656afb493902a1bbc08f2be8001048a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .." | C:\Users\Admin\AppData\Local\Temp\chrome.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\system32\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\system32\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\system32\netsh.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1140 wrote to memory of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | C:\Users\Admin\AppData\Local\Temp\chrome.exe |
| PID 1140 wrote to memory of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | C:\Users\Admin\AppData\Local\Temp\chrome.exe |
| PID 1140 wrote to memory of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | C:\Users\Admin\AppData\Local\Temp\chrome.exe |
| PID 2768 wrote to memory of 2344 | N/A | C:\Users\Admin\AppData\Local\Temp\chrome.exe | C:\Windows\system32\netsh.exe |
| PID 2768 wrote to memory of 2344 | N/A | C:\Users\Admin\AppData\Local\Temp\chrome.exe | C:\Windows\system32\netsh.exe |
| PID 2768 wrote to memory of 2344 | N/A | C:\Users\Admin\AppData\Local\Temp\chrome.exe | C:\Windows\system32\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe
"C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe"
C:\Users\Admin\AppData\Local\Temp\chrome.exe
"C:\Users\Admin\AppData\Local\Temp\chrome.exe"
C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 147.185.221.20:36100 | tcp | |
| US | 147.185.221.20:36100 | tcp | |
| US | 147.185.221.20:36100 | tcp | |
| US | 147.185.221.20:36100 | tcp | |
| US | 147.185.221.20:36100 | tcp |
Files
memory/1140-0-0x000007FEF596E000-0x000007FEF596F000-memory.dmp
memory/1140-1-0x0000000000730000-0x0000000000738000-memory.dmp
memory/1140-2-0x00000000006F0000-0x00000000006FC000-memory.dmp
memory/1140-3-0x000007FEF56B0000-0x000007FEF604D000-memory.dmp
memory/1140-4-0x000007FEF56B0000-0x000007FEF604D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\chrome.exe
| MD5 | 4266162511897dafbb0e9428da74d3a0 |
| SHA1 | eb2541ece45e3f3a66236be147389c785a8b3560 |
| SHA256 | f4cd82ce764e25ecbf3b5c7eae612b80ead673fd0972bbb2ade03d13e7cb04d0 |
| SHA512 | 96b9f524d625b7febf3d6597114514bc455437a7e5fea440bb5a68fac0d18cbc41763c16f6688656a834112ac87e295fcf9313777899fe406d5392eb601ba921 |
memory/1140-10-0x000007FEF56B0000-0x000007FEF604D000-memory.dmp
memory/2768-11-0x000007FEF56B0000-0x000007FEF604D000-memory.dmp
memory/2768-12-0x000007FEF56B0000-0x000007FEF604D000-memory.dmp
memory/2768-14-0x000007FEF56B0000-0x000007FEF604D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-18 01:18
Reported
2024-07-18 01:20
Platform
win10v2004-20240709-en
Max time kernel
120s
Max time network
120s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\netsh.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f656afb493902a1bbc08f2be8001048a.exe | C:\Users\Admin\AppData\Local\Temp\chrome.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f656afb493902a1bbc08f2be8001048a.exe | C:\Users\Admin\AppData\Local\Temp\chrome.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\chrome.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f656afb493902a1bbc08f2be8001048a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .." | C:\Users\Admin\AppData\Local\Temp\chrome.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f656afb493902a1bbc08f2be8001048a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .." | C:\Users\Admin\AppData\Local\Temp\chrome.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\SYSTEM32\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\SYSTEM32\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\SYSTEM32\netsh.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4680 wrote to memory of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | C:\Users\Admin\AppData\Local\Temp\chrome.exe |
| PID 4680 wrote to memory of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe | C:\Users\Admin\AppData\Local\Temp\chrome.exe |
| PID 2640 wrote to memory of 3424 | N/A | C:\Users\Admin\AppData\Local\Temp\chrome.exe | C:\Windows\SYSTEM32\netsh.exe |
| PID 2640 wrote to memory of 3424 | N/A | C:\Users\Admin\AppData\Local\Temp\chrome.exe | C:\Windows\SYSTEM32\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe
"C:\Users\Admin\AppData\Local\Temp\4266162511897dafbb0e9428da74d3a0N.exe"
C:\Users\Admin\AppData\Local\Temp\chrome.exe
"C:\Users\Admin\AppData\Local\Temp\chrome.exe"
C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 147.185.221.20:36100 | tcp | |
| 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 |
| US | 8.8.8.8:53 | 100.58.20.217.in-addr.arpa | udp |
| US | 147.185.221.20:36100 | tcp | |
| US | 147.185.221.20:36100 | tcp | |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 147.185.221.20:36100 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.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 | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 147.185.221.20:36100 | tcp |
Files
memory/4680-0-0x00007FFFA3685000-0x00007FFFA3686000-memory.dmp
memory/4680-2-0x000000001BD10000-0x000000001C1DE000-memory.dmp
memory/4680-1-0x00007FFFA33D0000-0x00007FFFA3D71000-memory.dmp
memory/4680-3-0x000000001C280000-0x000000001C31C000-memory.dmp
memory/4680-4-0x000000001C3D0000-0x000000001C476000-memory.dmp
memory/4680-5-0x0000000001170000-0x0000000001178000-memory.dmp
memory/4680-8-0x0000000001160000-0x000000000116C000-memory.dmp
memory/4680-9-0x00007FFFA33D0000-0x00007FFFA3D71000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\chrome.exe
| MD5 | 4266162511897dafbb0e9428da74d3a0 |
| SHA1 | eb2541ece45e3f3a66236be147389c785a8b3560 |
| SHA256 | f4cd82ce764e25ecbf3b5c7eae612b80ead673fd0972bbb2ade03d13e7cb04d0 |
| SHA512 | 96b9f524d625b7febf3d6597114514bc455437a7e5fea440bb5a68fac0d18cbc41763c16f6688656a834112ac87e295fcf9313777899fe406d5392eb601ba921 |
memory/4680-22-0x00007FFFA33D0000-0x00007FFFA3D71000-memory.dmp
memory/2640-23-0x00007FFFA33D0000-0x00007FFFA3D71000-memory.dmp
memory/2640-24-0x00007FFFA33D0000-0x00007FFFA3D71000-memory.dmp
memory/2640-25-0x00007FFFA33D0000-0x00007FFFA3D71000-memory.dmp
memory/2640-27-0x000000001B580000-0x000000001B588000-memory.dmp
memory/2640-28-0x00007FFFA33D0000-0x00007FFFA3D71000-memory.dmp