Analysis Overview
SHA256
8949112a3e17e2dc4a24947efa28f504ec45d34408c42b545a85d07f54effea1
Threat Level: Known bad
The file bae07bd6859074bae50dbebfbde6807f.bin was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Njrat family
Modifies Windows Firewall
Drops startup file
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Legitimate hosting services abused for malware hosting/C2
Adds Run key to start application
Drops autorun.inf file
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Kills process with taskkill
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-20 03:30
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-20 03:30
Reported
2024-01-20 03:33
Platform
win7-20231215-en
Max time kernel
150s
Max time network
153s
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\502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\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 | 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 |
| File opened for modification | 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\502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711.exe
"C:\Users\Admin\AppData\Local\Temp\502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711.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 | 3.125.223.134:15184 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15184 | 0.tcp.eu.ngrok.io | tcp |
| 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 |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.158.249.75:15184 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/3044-0-0x0000000073F90000-0x000000007453B000-memory.dmp
memory/3044-1-0x0000000073F90000-0x000000007453B000-memory.dmp
memory/3044-2-0x00000000005F0000-0x0000000000630000-memory.dmp
\Users\Admin\AppData\Roaming\server.exe
| MD5 | bae07bd6859074bae50dbebfbde6807f |
| SHA1 | 072942a2f73e4f7f83d5559499f4c7c22136f559 |
| SHA256 | 502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711 |
| SHA512 | 724689e8a1d9915a970c751c98ce45fca0d945a6a4328aee388ffcdb8076307a438f4196c0016bf052306ecd70453ec19db2788873d23f17e876d7bf09337e30 |
memory/2996-11-0x0000000073F90000-0x000000007453B000-memory.dmp
memory/2996-12-0x0000000000C00000-0x0000000000C40000-memory.dmp
memory/3044-10-0x0000000073F90000-0x000000007453B000-memory.dmp
memory/2996-22-0x0000000073F90000-0x000000007453B000-memory.dmp
memory/2996-23-0x0000000000C00000-0x0000000000C40000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-20 03:30
Reported
2024-01-20 03:33
Platform
win10v2004-20231222-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
njRAT/Bladabindi
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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711.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-1-5-21-3803511929-1339359695-2191195476-1000\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 | 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 |
| 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 |
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\502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711.exe
"C:\Users\Admin\AppData\Local\Temp\502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711.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
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.158.249.75:15184 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.249.158.18.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 33.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| DE | 18.158.249.75:15184 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| IE | 20.223.36.55:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | tcp | |
| GB | 96.17.178.176:80 | 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 |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| DE | 3.125.223.134:15184 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | 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 |
Files
memory/3712-0-0x00000000747D0000-0x0000000074D81000-memory.dmp
memory/3712-1-0x00000000019B0000-0x00000000019C0000-memory.dmp
memory/3712-2-0x00000000747D0000-0x0000000074D81000-memory.dmp
C:\Users\Admin\AppData\Roaming\server.exe
| MD5 | bae07bd6859074bae50dbebfbde6807f |
| SHA1 | 072942a2f73e4f7f83d5559499f4c7c22136f559 |
| SHA256 | 502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711 |
| SHA512 | 724689e8a1d9915a970c751c98ce45fca0d945a6a4328aee388ffcdb8076307a438f4196c0016bf052306ecd70453ec19db2788873d23f17e876d7bf09337e30 |
memory/3712-12-0x00000000747D0000-0x0000000074D81000-memory.dmp
memory/1540-13-0x00000000747D0000-0x0000000074D81000-memory.dmp
memory/1540-14-0x0000000001890000-0x00000000018A0000-memory.dmp
memory/1540-24-0x00000000747D0000-0x0000000074D81000-memory.dmp
memory/1540-25-0x0000000001890000-0x00000000018A0000-memory.dmp
memory/444-42-0x0000023C8ADA0000-0x0000023C8ADB0000-memory.dmp
memory/444-26-0x0000023C8ACA0000-0x0000023C8ACB0000-memory.dmp
memory/444-58-0x0000023C93110000-0x0000023C93111000-memory.dmp
memory/444-60-0x0000023C93140000-0x0000023C93141000-memory.dmp
memory/444-62-0x0000023C93250000-0x0000023C93251000-memory.dmp
memory/444-61-0x0000023C93140000-0x0000023C93141000-memory.dmp