Analysis Overview
SHA256
23683100e3c12de8f9e49501d4a50b7b1831dbd780359902e0c5fb35166a782c
Threat Level: Known bad
The file uh.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Executes dropped EXE
Checks computer location settings
Drops startup file
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-07 19:27
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-07 19:27
Reported
2024-03-07 19:30
Platform
win7-20240221-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\792c995af26c25375ff2f696b8be8453.exe | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\792c995af26c25375ff2f696b8be8453.exe | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uh.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\792c995af26c25375ff2f696b8be8453 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\A.exe\" .." | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\792c995af26c25375ff2f696b8be8453 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\A.exe\" .." | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2248 wrote to memory of 2684 | N/A | C:\Users\Admin\AppData\Local\Temp\uh.exe | C:\Users\Admin\AppData\Local\Temp\A.exe |
| PID 2248 wrote to memory of 2684 | N/A | C:\Users\Admin\AppData\Local\Temp\uh.exe | C:\Users\Admin\AppData\Local\Temp\A.exe |
| PID 2248 wrote to memory of 2684 | N/A | C:\Users\Admin\AppData\Local\Temp\uh.exe | C:\Users\Admin\AppData\Local\Temp\A.exe |
| PID 2248 wrote to memory of 2684 | N/A | C:\Users\Admin\AppData\Local\Temp\uh.exe | C:\Users\Admin\AppData\Local\Temp\A.exe |
| PID 2684 wrote to memory of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2684 wrote to memory of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2684 wrote to memory of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2684 wrote to memory of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\uh.exe
"C:\Users\Admin\AppData\Local\Temp\uh.exe"
C:\Users\Admin\AppData\Local\Temp\A.exe
"C:\Users\Admin\AppData\Local\Temp\A.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\A.exe" "A.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.158.249.75:9876 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:9876 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:9876 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.124.142.205:9876 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:9876 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:9876 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/2248-2-0x0000000002180000-0x00000000021C0000-memory.dmp
memory/2248-1-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2248-0-0x0000000073F00000-0x00000000744AB000-memory.dmp
\Users\Admin\AppData\Local\Temp\A.exe
| MD5 | cac249572c1f320432d144124ab0138c |
| SHA1 | 3e1a7b1bf5f7fad3c74c1a2e825b03c57f48d851 |
| SHA256 | 23683100e3c12de8f9e49501d4a50b7b1831dbd780359902e0c5fb35166a782c |
| SHA512 | 6ace81c3c125d4c830e5a313499a1f6ab124d1c864e9816e91809e65bf8a8feb3f7e2b6c688ee2807adeae4d998f455a7dd78f026f9cfce672149804e12e60c5 |
memory/2684-10-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2248-12-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2684-11-0x0000000002290000-0x00000000022D0000-memory.dmp
memory/2684-13-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2684-15-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2684-16-0x0000000002290000-0x00000000022D0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-07 19:27
Reported
2024-03-07 19:30
Platform
win10v2004-20240226-en
Max time kernel
154s
Max time network
158s
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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\uh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\792c995af26c25375ff2f696b8be8453.exe | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\792c995af26c25375ff2f696b8be8453.exe | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\792c995af26c25375ff2f696b8be8453 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\A.exe\" .." | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\792c995af26c25375ff2f696b8be8453 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\A.exe\" .." | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3228 wrote to memory of 3184 | N/A | C:\Users\Admin\AppData\Local\Temp\uh.exe | C:\Users\Admin\AppData\Local\Temp\A.exe |
| PID 3228 wrote to memory of 3184 | N/A | C:\Users\Admin\AppData\Local\Temp\uh.exe | C:\Users\Admin\AppData\Local\Temp\A.exe |
| PID 3228 wrote to memory of 3184 | N/A | C:\Users\Admin\AppData\Local\Temp\uh.exe | C:\Users\Admin\AppData\Local\Temp\A.exe |
| PID 3184 wrote to memory of 648 | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3184 wrote to memory of 648 | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3184 wrote to memory of 648 | N/A | C:\Users\Admin\AppData\Local\Temp\A.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\uh.exe
"C:\Users\Admin\AppData\Local\Temp\uh.exe"
C:\Users\Admin\AppData\Local\Temp\A.exe
"C:\Users\Admin\AppData\Local\Temp\A.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\A.exe" "A.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.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 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.233.44.23.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.158.249.75:9876 | 0.tcp.eu.ngrok.io | tcp |
| 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 | 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 |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.177.78.104.in-addr.arpa | udp |
| DE | 18.158.249.75:9876 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.178.17.96.in-addr.arpa | udp |
| DE | 18.158.249.75:9876 | 0.tcp.eu.ngrok.io | tcp |
| IE | 52.111.236.22:443 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.102.39:9876 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:9876 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
| DE | 3.125.102.39:9876 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/3228-0-0x0000000074E40000-0x00000000753F1000-memory.dmp
memory/3228-1-0x0000000074E40000-0x00000000753F1000-memory.dmp
memory/3228-2-0x0000000001810000-0x0000000001820000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\A.exe
| MD5 | cac249572c1f320432d144124ab0138c |
| SHA1 | 3e1a7b1bf5f7fad3c74c1a2e825b03c57f48d851 |
| SHA256 | 23683100e3c12de8f9e49501d4a50b7b1831dbd780359902e0c5fb35166a782c |
| SHA512 | 6ace81c3c125d4c830e5a313499a1f6ab124d1c864e9816e91809e65bf8a8feb3f7e2b6c688ee2807adeae4d998f455a7dd78f026f9cfce672149804e12e60c5 |
memory/3184-12-0x0000000001370000-0x0000000001380000-memory.dmp
memory/3184-14-0x0000000074E40000-0x00000000753F1000-memory.dmp
memory/3228-13-0x0000000074E40000-0x00000000753F1000-memory.dmp
memory/3184-15-0x0000000074E40000-0x00000000753F1000-memory.dmp
memory/3184-17-0x0000000001370000-0x0000000001380000-memory.dmp
memory/3184-18-0x0000000074E40000-0x00000000753F1000-memory.dmp