Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/11/2024, 14:07
Behavioral task
behavioral1
Sample
ft.server.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral2
Sample
ft.server.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
General
-
Target
ft.server.exe
-
Size
37KB
-
MD5
e481569ecba8befd9971a1644b1a6f0d
-
SHA1
e22e7b39866702efd0772fa96511ff871ad50781
-
SHA256
1275aa3de74112f8fd4aa2bd856fccb732cf337edadc3e92a7e11b732775f53e
-
SHA512
6ca77b99afebca543006c3e7dab63a24059a4d5cc18cd6fd8d2fe1a9c864823a3789a90ce4e94d2d67523bbd9a006ab487b62f44a8bf3bd5d985a5a0744d4191
-
SSDEEP
384:yINyQilEhHeTnMGiyMTp4vrijPMIvrAF+rMRTyN/0L+EcoinblneHQM3epzX/Nrj:1NHSMGxMTp4ubM+rM+rMRa8Nudrt
Malware Config
Extracted
njrat
im523
7.tcp.eu.ngrok.io:12891
04bb0b110981cae57c5751025fdf1d83
-
reg_key
04bb0b110981cae57c5751025fdf1d83
-
splitter
|'|'|
Signatures
-
Njrat family
-
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2768 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\04bb0b110981cae57c5751025fdf1d83.exe ft.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\04bb0b110981cae57c5751025fdf1d83.exe ft.exe -
Executes dropped EXE 1 IoCs
pid Process 1864 ft.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\04bb0b110981cae57c5751025fdf1d83 = "\"C:\\Windows\\ft.exe\" .." ft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\04bb0b110981cae57c5751025fdf1d83 = "\"C:\\Windows\\ft.exe\" .." ft.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 2 7.tcp.eu.ngrok.io 10 7.tcp.eu.ngrok.io 30 7.tcp.eu.ngrok.io -
Drops autorun.inf file 1 TTPs 5 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created F:\autorun.inf ft.exe File opened for modification F:\autorun.inf ft.exe File created C:\autorun.inf ft.exe File opened for modification C:\autorun.inf ft.exe File created D:\autorun.inf ft.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\ft.exe ft.exe File created C:\Windows\ft.exe ft.server.exe File opened for modification C:\Windows\ft.exe ft.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 value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ft.server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ft.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe 1864 ft.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1864 ft.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe Token: 33 1864 ft.exe Token: SeIncBasePriorityPrivilege 1864 ft.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2328 wrote to memory of 1864 2328 ft.server.exe 31 PID 2328 wrote to memory of 1864 2328 ft.server.exe 31 PID 2328 wrote to memory of 1864 2328 ft.server.exe 31 PID 2328 wrote to memory of 1864 2328 ft.server.exe 31 PID 1864 wrote to memory of 2768 1864 ft.exe 32 PID 1864 wrote to memory of 2768 1864 ft.exe 32 PID 1864 wrote to memory of 2768 1864 ft.exe 32 PID 1864 wrote to memory of 2768 1864 ft.exe 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\ft.server.exe"C:\Users\Admin\AppData\Local\Temp\ft.server.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\ft.exe"C:\Windows\ft.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1864 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Windows\ft.exe" "ft.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2768
-
-
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
37KB
MD5e481569ecba8befd9971a1644b1a6f0d
SHA1e22e7b39866702efd0772fa96511ff871ad50781
SHA2561275aa3de74112f8fd4aa2bd856fccb732cf337edadc3e92a7e11b732775f53e
SHA5126ca77b99afebca543006c3e7dab63a24059a4d5cc18cd6fd8d2fe1a9c864823a3789a90ce4e94d2d67523bbd9a006ab487b62f44a8bf3bd5d985a5a0744d4191