Analysis Overview
SHA256
d268acf1c4e97d436a8eca9b12fb1776fe756dbd8ee58bba6e7d15a35db1531c
Threat Level: Known bad
The file 0x000b0000000122dc-57.dat was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Loads dropped DLL
Checks computer location settings
Drops startup file
Executes dropped EXE
Legitimate hosting services abused for malware hosting/C2
Adds Run key to start application
Drops autorun.inf file
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-07 05:42
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-07 05:42
Reported
2024-03-07 05:45
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
151s
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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0x000b0000000122dc-57.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\59575c3a3a91041ef233f7c58767f850.exe | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\59575c3a3a91041ef233f7c58767f850.exe | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\59575c3a3a91041ef233f7c58767f850 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Steam.exe\" .." | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\59575c3a3a91041ef233f7c58767f850 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Steam.exe\" .." | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| File created | D:\autorun.inf | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2256 wrote to memory of 656 | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b0000000122dc-57.exe | C:\Users\Admin\AppData\Roaming\Steam.exe |
| PID 2256 wrote to memory of 656 | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b0000000122dc-57.exe | C:\Users\Admin\AppData\Roaming\Steam.exe |
| PID 2256 wrote to memory of 656 | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b0000000122dc-57.exe | C:\Users\Admin\AppData\Roaming\Steam.exe |
| PID 656 wrote to memory of 452 | N/A | C:\Users\Admin\AppData\Roaming\Steam.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 656 wrote to memory of 452 | N/A | C:\Users\Admin\AppData\Roaming\Steam.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 656 wrote to memory of 452 | N/A | C:\Users\Admin\AppData\Roaming\Steam.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0x000b0000000122dc-57.exe
"C:\Users\Admin\AppData\Local\Temp\0x000b0000000122dc-57.exe"
C:\Users\Admin\AppData\Roaming\Steam.exe
"C:\Users\Admin\AppData\Roaming\Steam.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Steam.exe" "Steam.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.52.96.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 18.158.58.205:10058 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.58.158.18.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| DE | 18.158.58.205:10058 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| DE | 18.158.58.205:10058 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.4.64.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 13.227.111.52.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 | 58.99.105.20.in-addr.arpa | udp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| GB | 96.17.179.68:80 | tcp |
Files
memory/2256-0-0x0000000075040000-0x00000000755F1000-memory.dmp
memory/2256-1-0x0000000075040000-0x00000000755F1000-memory.dmp
memory/2256-2-0x0000000000870000-0x0000000000880000-memory.dmp
C:\Users\Admin\AppData\Roaming\Steam.exe
| MD5 | 293b4f2595dccfca5eef8ee74e789667 |
| SHA1 | a338c5aa82882dcd5e034012823c33fb6956eb3e |
| SHA256 | d268acf1c4e97d436a8eca9b12fb1776fe756dbd8ee58bba6e7d15a35db1531c |
| SHA512 | c6d875c236d1fd4475faf65115d2bf7e9a802373df2715991f8a7f841d76d43db093d56690f7c023b629631bb2b628c733692a5ce89645fd4bc6c6231e3fbed2 |
memory/656-13-0x0000000075040000-0x00000000755F1000-memory.dmp
memory/2256-12-0x0000000075040000-0x00000000755F1000-memory.dmp
memory/656-14-0x00000000017E0000-0x00000000017F0000-memory.dmp
memory/656-24-0x0000000075040000-0x00000000755F1000-memory.dmp
memory/656-25-0x00000000017E0000-0x00000000017F0000-memory.dmp
memory/656-26-0x0000000075040000-0x00000000755F1000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-07 05:42
Reported
2024-03-07 05:45
Platform
win7-20240220-en
Max time kernel
150s
Max time network
149s
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\59575c3a3a91041ef233f7c58767f850.exe | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\59575c3a3a91041ef233f7c58767f850.exe | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b0000000122dc-57.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\59575c3a3a91041ef233f7c58767f850 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Steam.exe\" .." | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\59575c3a3a91041ef233f7c58767f850 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Steam.exe\" .." | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| File created | D:\autorun.inf | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Steam.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0x000b0000000122dc-57.exe
"C:\Users\Admin\AppData\Local\Temp\0x000b0000000122dc-57.exe"
C:\Users\Admin\AppData\Roaming\Steam.exe
"C:\Users\Admin\AppData\Roaming\Steam.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Steam.exe" "Steam.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:10058 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.161.133:10058 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:10058 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:10058 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:10058 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:10058 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.127.181.115:10058 | 5.tcp.eu.ngrok.io | tcp |
Files
memory/2836-0-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2836-1-0x0000000000120000-0x0000000000160000-memory.dmp
memory/2836-2-0x0000000074A40000-0x0000000074FEB000-memory.dmp
\Users\Admin\AppData\Roaming\Steam.exe
| MD5 | 293b4f2595dccfca5eef8ee74e789667 |
| SHA1 | a338c5aa82882dcd5e034012823c33fb6956eb3e |
| SHA256 | d268acf1c4e97d436a8eca9b12fb1776fe756dbd8ee58bba6e7d15a35db1531c |
| SHA512 | c6d875c236d1fd4475faf65115d2bf7e9a802373df2715991f8a7f841d76d43db093d56690f7c023b629631bb2b628c733692a5ce89645fd4bc6c6231e3fbed2 |
memory/2836-10-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2748-12-0x0000000000BD0000-0x0000000000C10000-memory.dmp
memory/2748-11-0x0000000074A40000-0x0000000074FEB000-memory.dmp
memory/2748-22-0x0000000074A40000-0x0000000074FEB000-memory.dmp