Analysis Overview
SHA256
502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711
Threat Level: Known bad
The file bae07bd6859074bae50dbebfbde6807f.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops autorun.inf file
Enumerates physical storage devices
Unsigned PE
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-18 20:09
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-18 20:09
Reported
2024-01-18 20:11
Platform
win7-20231129-en
Max time kernel
150s
Max time network
135s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c502ee9893aaa40a8d929234e5c9b5c8.exe | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c502ee9893aaa40a8d929234e5c9b5c8.exe | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bae07bd6859074bae50dbebfbde6807f.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\c502ee9893aaa40a8d929234e5c9b5c8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\c502ee9893aaa40a8d929234e5c9b5c8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| File created | D:\autorun.inf | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
Enumerates physical storage devices
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bae07bd6859074bae50dbebfbde6807f.exe
"C:\Users\Admin\AppData\Local\Temp\bae07bd6859074bae50dbebfbde6807f.exe"
C:\Users\Admin\AppData\Roaming\server.exe
"C:\Users\Admin\AppData\Roaming\server.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
C:\Windows\SysWOW64\taskkill.exe
taskkill /F /IM Exsample.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.124.142.205:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15184 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/2448-0-0x0000000074870000-0x0000000074E1B000-memory.dmp
memory/2448-1-0x0000000002000000-0x0000000002040000-memory.dmp
memory/2448-2-0x0000000074870000-0x0000000074E1B000-memory.dmp
\Users\Admin\AppData\Roaming\server.exe
| MD5 | bae07bd6859074bae50dbebfbde6807f |
| SHA1 | 072942a2f73e4f7f83d5559499f4c7c22136f559 |
| SHA256 | 502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711 |
| SHA512 | 724689e8a1d9915a970c751c98ce45fca0d945a6a4328aee388ffcdb8076307a438f4196c0016bf052306ecd70453ec19db2788873d23f17e876d7bf09337e30 |
memory/2864-11-0x0000000074870000-0x0000000074E1B000-memory.dmp
memory/2864-12-0x0000000000530000-0x0000000000570000-memory.dmp
memory/2448-10-0x0000000074870000-0x0000000074E1B000-memory.dmp
memory/2864-13-0x0000000074870000-0x0000000074E1B000-memory.dmp
memory/2864-24-0x0000000000530000-0x0000000000570000-memory.dmp
memory/2864-23-0x0000000074870000-0x0000000074E1B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-18 20:09
Reported
2024-01-18 20:11
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\bae07bd6859074bae50dbebfbde6807f.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c502ee9893aaa40a8d929234e5c9b5c8.exe | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c502ee9893aaa40a8d929234e5c9b5c8.exe | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c502ee9893aaa40a8d929234e5c9b5c8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c502ee9893aaa40a8d929234e5c9b5c8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| File created | D:\autorun.inf | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
Enumerates physical storage devices
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\server.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bae07bd6859074bae50dbebfbde6807f.exe
"C:\Users\Admin\AppData\Local\Temp\bae07bd6859074bae50dbebfbde6807f.exe"
C:\Users\Admin\AppData\Roaming\server.exe
"C:\Users\Admin\AppData\Roaming\server.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
C:\Windows\SysWOW64\taskkill.exe
taskkill /F /IM Exsample.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 165.31.192.18.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.234.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.238.32.23.in-addr.arpa | udp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15184 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.102.39:15184 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 39.102.125.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| DE | 3.125.102.39:15184 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.223.134:15184 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 134.223.125.3.in-addr.arpa | udp |
| DE | 3.125.223.134:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15184 | tcp |
Files
memory/3236-0-0x0000000075410000-0x00000000759C1000-memory.dmp
memory/3236-1-0x0000000001A20000-0x0000000001A30000-memory.dmp
memory/3236-2-0x0000000075410000-0x00000000759C1000-memory.dmp
C:\Users\Admin\AppData\Roaming\server.exe
| MD5 | bae07bd6859074bae50dbebfbde6807f |
| SHA1 | 072942a2f73e4f7f83d5559499f4c7c22136f559 |
| SHA256 | 502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711 |
| SHA512 | 724689e8a1d9915a970c751c98ce45fca0d945a6a4328aee388ffcdb8076307a438f4196c0016bf052306ecd70453ec19db2788873d23f17e876d7bf09337e30 |
memory/4072-13-0x0000000075410000-0x00000000759C1000-memory.dmp
memory/3236-12-0x0000000075410000-0x00000000759C1000-memory.dmp
memory/4072-14-0x0000000000E20000-0x0000000000E30000-memory.dmp
memory/4072-15-0x0000000075410000-0x00000000759C1000-memory.dmp
memory/4072-25-0x0000000075410000-0x00000000759C1000-memory.dmp
memory/4072-26-0x0000000000E20000-0x0000000000E30000-memory.dmp