Analysis
-
max time kernel
149s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30-11-2024 04:34
Behavioral task
behavioral1
Sample
dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe
Resource
win10v2004-20241007-en
General
-
Target
dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe
-
Size
23KB
-
MD5
73227233ab2bd7806dc87619e618867b
-
SHA1
6378f9938a55186ad02877d99c1fb04b81b20a9e
-
SHA256
dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63
-
SHA512
f756499d407abe076344fee1b51d86aff337f4a37306c755f87df5f0eb6c90f445fca39e0323fd1311951c8a2b6b1beca1d61c0b5d9fd05d0d9705978e83d5dd
-
SSDEEP
384:nGwz6+T4IjWZFNwXU0eiNUB4vt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZKn:1TbC81NbRpcnub
Malware Config
Extracted
njrat
0.7d
HacKed
192.168.1.99:1080
b5981a4b94d20b88e92909f65ce364f8
-
reg_key
b5981a4b94d20b88e92909f65ce364f8
-
splitter
|'|'|
Signatures
-
Njrat family
-
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2748 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 2556 server.exe -
Loads dropped DLL 1 IoCs
pid Process 2304 dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\b5981a4b94d20b88e92909f65ce364f8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\b5981a4b94d20b88e92909f65ce364f8 = "\"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 opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \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 dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe Token: 33 2556 server.exe Token: SeIncBasePriorityPrivilege 2556 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2304 wrote to memory of 2556 2304 dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe 30 PID 2304 wrote to memory of 2556 2304 dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe 30 PID 2304 wrote to memory of 2556 2304 dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe 30 PID 2304 wrote to memory of 2556 2304 dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe 30 PID 2556 wrote to memory of 2748 2556 server.exe 31 PID 2556 wrote to memory of 2748 2556 server.exe 31 PID 2556 wrote to memory of 2748 2556 server.exe 31 PID 2556 wrote to memory of 2748 2556 server.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe"C:\Users\Admin\AppData\Local\Temp\dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304 -
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:2556 -
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:2748
-
-
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
MD573227233ab2bd7806dc87619e618867b
SHA16378f9938a55186ad02877d99c1fb04b81b20a9e
SHA256dae3d1b1657c507b739b29ef31f6f13852ab4c67bc57ebe2a8e088dc1571dd63
SHA512f756499d407abe076344fee1b51d86aff337f4a37306c755f87df5f0eb6c90f445fca39e0323fd1311951c8a2b6b1beca1d61c0b5d9fd05d0d9705978e83d5dd