Analysis
-
max time kernel
149s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
04-10-2024 17:36
Behavioral task
behavioral1
Sample
57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe
Resource
win10v2004-20240802-en
General
-
Target
57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe
-
Size
23KB
-
MD5
154ea8b5bfc539b9ed57cad3bce821e0
-
SHA1
f064f35081e04ae292f455df1abcc0c1ae319e2a
-
SHA256
57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188
-
SHA512
e1ff4201c8e0c3774f0dabd911738dcf23fda886a0f30d256babbccf234e4172c5636aad7404897ecfd33358ebe301e9d83db20da8ed5082f9dfc06b02430046
-
SSDEEP
384:bcqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZ5l:A30py6vhxaRpcnuU
Malware Config
Extracted
njrat
0.7d
HacKed
192.168.1.107:5555
456e48741b8e33d90b3e21f5b318e2a9
-
reg_key
456e48741b8e33d90b3e21f5b318e2a9
-
splitter
|'|'|
Signatures
-
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2676 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 2704 server.exe -
Loads dropped DLL 1 IoCs
pid Process 2916 57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\456e48741b8e33d90b3e21f5b318e2a9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\456e48741b8e33d90b3e21f5b318e2a9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe Token: 33 2704 server.exe Token: SeIncBasePriorityPrivilege 2704 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2916 wrote to memory of 2704 2916 57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe 30 PID 2916 wrote to memory of 2704 2916 57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe 30 PID 2916 wrote to memory of 2704 2916 57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe 30 PID 2916 wrote to memory of 2704 2916 57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe 30 PID 2704 wrote to memory of 2676 2704 server.exe 31 PID 2704 wrote to memory of 2676 2704 server.exe 31 PID 2704 wrote to memory of 2676 2704 server.exe 31 PID 2704 wrote to memory of 2676 2704 server.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe"C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2676
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
23KB
MD5154ea8b5bfc539b9ed57cad3bce821e0
SHA1f064f35081e04ae292f455df1abcc0c1ae319e2a
SHA25657cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188
SHA512e1ff4201c8e0c3774f0dabd911738dcf23fda886a0f30d256babbccf234e4172c5636aad7404897ecfd33358ebe301e9d83db20da8ed5082f9dfc06b02430046