Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-10-2024 17:21
Behavioral task
behavioral1
Sample
NJRat.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
NJRat.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
NJRat.exe
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Size
31KB
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MD5
29a37b6532a7acefa7580b826f23f6dd
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SHA1
a0f4f3a1c5e159b6e2dadaa6615c5e4eb762479f
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SHA256
7a84dd83f4f00cf0723b76a6a56587bdce6d57bd8024cc9c55565a442806cf69
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SHA512
a54e2b097ffdaa51d49339bd7d15d6e8770b02603e3c864a13e5945322e28eb2eebc32680c6ddddbad1d9a3001aa02e944b6cef86d4a260db7e4b50f67ac9818
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SSDEEP
768:64+64ZRzo+zxJ+lS7gqzZ5XvzpQmIDUu0ti69j:xM3/Bh1QVkvj
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2640 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b9584a316aeb9ca9b31edd4db18381f5.exe NJRat.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b9584a316aeb9ca9b31edd4db18381f5.exe NJRat.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b9584a316aeb9ca9b31edd4db18381f5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\NJRat.exe\" .." NJRat.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b9584a316aeb9ca9b31edd4db18381f5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\NJRat.exe\" .." NJRat.exe -
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 2 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 NJRat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe 2720 NJRat.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe Token: 33 2720 NJRat.exe Token: SeIncBasePriorityPrivilege 2720 NJRat.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2720 wrote to memory of 2640 2720 NJRat.exe 92 PID 2720 wrote to memory of 2640 2720 NJRat.exe 92 PID 2720 wrote to memory of 2640 2720 NJRat.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\NJRat.exe"C:\Users\Admin\AppData\Local\Temp\NJRat.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\NJRat.exe" "NJRat.exe" ENABLE2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2640
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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
1