Analysis Overview
SHA256
f931c3d38402a25748eae9af54bb639e33d9b318f26550eb2ebd56abac3cf30e
Threat Level: Known bad
The file 5aa54b79bb6bc959592bd0d44072aa20N.exe was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Modifies Windows Firewall
Checks computer location settings
Executes dropped EXE
Drops startup file
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-20 06:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-20 06:13
Reported
2024-07-20 06:15
Platform
win7-20240704-en
Max time kernel
29s
Max time network
19s
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\526da8c3cf38c27132d513f653a25a62.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\526da8c3cf38c27132d513f653a25a62.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\526da8c3cf38c27132d513f653a25a62 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\526da8c3cf38c27132d513f653a25a62 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\svchost.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 WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5aa54b79bb6bc959592bd0d44072aa20N.exe
"C:\Users\Admin\AppData\Local\Temp\5aa54b79bb6bc959592bd0d44072aa20N.exe"
C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2724 -s 652
Network
Files
memory/2028-0-0x000007FEF6003000-0x000007FEF6004000-memory.dmp
memory/2028-1-0x0000000000A00000-0x0000000000A2A000-memory.dmp
memory/2028-2-0x00000000003C0000-0x00000000003E4000-memory.dmp
memory/2028-3-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp
memory/2028-4-0x00000000003F0000-0x0000000000416000-memory.dmp
memory/2028-5-0x0000000002120000-0x0000000002144000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | 5aa54b79bb6bc959592bd0d44072aa20 |
| SHA1 | 394f4699e128e7eb94a83159f207c544c1225a2a |
| SHA256 | f931c3d38402a25748eae9af54bb639e33d9b318f26550eb2ebd56abac3cf30e |
| SHA512 | 4081583e7a27d0c889048acab00f692d0a8eda031aae3e6dd7a36e1f81e6c0a3d016ba421f1184670853829d398c20d86c4acda7d5bf70fa2f925ade2b88ef9f |
memory/2724-12-0x0000000000370000-0x0000000000394000-memory.dmp
memory/2724-11-0x0000000000040000-0x000000000006A000-memory.dmp
memory/2724-13-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp
memory/2028-14-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp
memory/2724-15-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp
memory/2724-17-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-20 06:13
Reported
2024-07-20 06:15
Platform
win10v2004-20240709-en
Max time kernel
101s
Max time network
102s
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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5aa54b79bb6bc959592bd0d44072aa20N.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\526da8c3cf38c27132d513f653a25a62.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\526da8c3cf38c27132d513f653a25a62.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\526da8c3cf38c27132d513f653a25a62 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\526da8c3cf38c27132d513f653a25a62 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\svchost.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 WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1732 wrote to memory of 1720 | N/A | C:\Users\Admin\AppData\Local\Temp\5aa54b79bb6bc959592bd0d44072aa20N.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe |
| PID 1732 wrote to memory of 1720 | N/A | C:\Users\Admin\AppData\Local\Temp\5aa54b79bb6bc959592bd0d44072aa20N.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe |
| PID 1720 wrote to memory of 428 | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | C:\Windows\SYSTEM32\netsh.exe |
| PID 1720 wrote to memory of 428 | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | C:\Windows\SYSTEM32\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5aa54b79bb6bc959592bd0d44072aa20N.exe
"C:\Users\Admin\AppData\Local\Temp\5aa54b79bb6bc959592bd0d44072aa20N.exe"
C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.201.86.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/1732-0-0x00007FFE87603000-0x00007FFE87605000-memory.dmp
memory/1732-1-0x0000000000EB0000-0x0000000000EDA000-memory.dmp
memory/1732-2-0x0000000001680000-0x00000000016A4000-memory.dmp
memory/1732-3-0x00000000016B0000-0x00000000016D6000-memory.dmp
memory/1732-4-0x0000000003130000-0x0000000003154000-memory.dmp
memory/1732-5-0x00007FFE87600000-0x00007FFE880C1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | 5aa54b79bb6bc959592bd0d44072aa20 |
| SHA1 | 394f4699e128e7eb94a83159f207c544c1225a2a |
| SHA256 | f931c3d38402a25748eae9af54bb639e33d9b318f26550eb2ebd56abac3cf30e |
| SHA512 | 4081583e7a27d0c889048acab00f692d0a8eda031aae3e6dd7a36e1f81e6c0a3d016ba421f1184670853829d398c20d86c4acda7d5bf70fa2f925ade2b88ef9f |
memory/1732-18-0x00007FFE87600000-0x00007FFE880C1000-memory.dmp
memory/1720-19-0x00007FFE87600000-0x00007FFE880C1000-memory.dmp
memory/1720-21-0x00007FFE87600000-0x00007FFE880C1000-memory.dmp