Analysis Overview
SHA256
8256bf36ae9eebbea391992a4a86ada3a8f28804b66836c0e71efc70d8ba1d40
Threat Level: Known bad
The file Neironka.exe was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Drops startup file
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Kills process with taskkill
Opens file in notepad (likely ransom note)
Uses Task Scheduler COM API
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-28 22:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-28 22:25
Reported
2024-02-28 22:26
Platform
win11-20240221-en
Max time kernel
62s
Max time network
64s
Command Line
Signatures
njRAT/Bladabindi
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\notpad.exe | C:\Windows\notpad.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\notpad.exe | C:\Windows\notpad.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\notpad.url | C:\Windows\notpad.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\notpad.exe | N/A |
| N/A | N/A | C:\Windows\notpad.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Windows\CurrentVersion\Run\notpad.exe = "\"C:\\Windows\\notpad.exe\" .." | C:\Windows\notpad.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\notpad.exe = "\"C:\\Windows\\notpad.exe\" .." | C:\Windows\notpad.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\notpad.exe | C:\Users\Admin\AppData\Local\Temp\Neironka.exe | N/A |
| File opened for modification | C:\Windows\notpad.exe | C:\Windows\notpad.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\taskkill.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\taskkill.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\taskkill.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\Notepad.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\notpad.exe | N/A |
| Token: 33 | N/A | C:\Windows\notpad.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\notpad.exe | N/A |
| Token: 33 | N/A | C:\Windows\notpad.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\notpad.exe | N/A |
| Token: 33 | N/A | C:\Windows\notpad.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\notpad.exe | N/A |
| Token: 33 | N/A | C:\Windows\notpad.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\notpad.exe | N/A |
| Token: 33 | N/A | C:\Windows\notpad.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\notpad.exe | N/A |
| Token: 33 | N/A | C:\Windows\notpad.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\notpad.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Neironka.exe
"C:\Users\Admin\AppData\Local\Temp\Neironka.exe"
C:\Windows\notpad.exe
"C:\Windows\notpad.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\Neironka.exe"
C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 5
C:\Windows\SYSTEM32\taskkill.exe
taskkill /f im Wireshark.exe
C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
C:\Windows\SYSTEM32\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Windows\notpad.exe
C:\Windows\System32\Notepad.exe
"C:\Windows\System32\Notepad.exe" C:\Users\Admin\Desktop\RegisterUnlock.vbe
C:\Windows\SYSTEM32\taskkill.exe
taskkill /f im Wireshark.exe
C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
C:\Windows\SYSTEM32\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Windows\notpad.exe
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\Desktop\RegisterUnlock.vbe"
C:\Windows\notpad.exe
C:\Windows\notpad.exe
C:\Windows\SYSTEM32\taskkill.exe
taskkill /f im Wireshark.exe
C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
C:\Windows\SYSTEM32\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Windows\notpad.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.2.133:6522 | tcp | |
| N/A | 192.168.2.133:6522 | tcp | |
| GB | 2.18.66.48:443 | tcp | |
| US | 8.8.8.8:53 | browser.pipe.aria.microsoft.com | udp |
| US | 20.189.173.18:443 | browser.pipe.aria.microsoft.com | tcp |
| GB | 92.123.128.134:443 | r.bing.com | tcp |
| GB | 92.123.128.134:443 | r.bing.com | tcp |
| GB | 92.123.128.134:443 | r.bing.com | tcp |
| GB | 92.123.128.134:443 | r.bing.com | tcp |
| GB | 92.123.128.134:443 | r.bing.com | tcp |
| GB | 92.123.128.134:443 | r.bing.com | tcp |
| US | 8.8.8.8:53 | 18.173.189.20.in-addr.arpa | udp |
| N/A | 192.168.2.133:6522 | tcp |
Files
memory/3196-1-0x000000001BD00000-0x000000001C1CE000-memory.dmp
memory/3196-0-0x00007FF934A20000-0x00007FF9353C1000-memory.dmp
memory/3196-3-0x000000001B750000-0x000000001B766000-memory.dmp
memory/3196-2-0x00000000010F0000-0x0000000001100000-memory.dmp
memory/3196-4-0x000000001C1D0000-0x000000001C276000-memory.dmp
memory/3196-5-0x00007FF934A20000-0x00007FF9353C1000-memory.dmp
C:\Windows\notpad.exe
| MD5 | a91d2aaab4f36c0b1560082585b3bfbd |
| SHA1 | 813a9a950fc8a323569261007ad9264c78e2689b |
| SHA256 | 8256bf36ae9eebbea391992a4a86ada3a8f28804b66836c0e71efc70d8ba1d40 |
| SHA512 | 4b1306ed2982c49680d09a91867b6b1e4b0cc296ec4b0ac87a7a5ff8dc24738f4f67ed38b0284419c45109109209888a951ec2832da9bfc43299092cbf2b95fb |
memory/328-14-0x00007FF934A20000-0x00007FF9353C1000-memory.dmp
memory/328-18-0x00007FF934A20000-0x00007FF9353C1000-memory.dmp
memory/3196-17-0x00007FF934A20000-0x00007FF9353C1000-memory.dmp
memory/328-16-0x00000000016D0000-0x00000000016E0000-memory.dmp
memory/328-22-0x000000001C880000-0x000000001C91C000-memory.dmp
memory/328-23-0x0000000001530000-0x0000000001538000-memory.dmp
memory/328-24-0x00000000016D0000-0x00000000016E0000-memory.dmp
memory/328-25-0x00000000016D0000-0x00000000016E0000-memory.dmp
memory/328-26-0x00007FF934A20000-0x00007FF9353C1000-memory.dmp
memory/3508-28-0x00007FF934A20000-0x00007FF9353C1000-memory.dmp
memory/3508-29-0x00007FF934A20000-0x00007FF9353C1000-memory.dmp
memory/3508-30-0x0000000000DA0000-0x0000000000DB0000-memory.dmp
memory/3508-32-0x00007FF934A20000-0x00007FF9353C1000-memory.dmp