Analysis
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max time kernel
119s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30-12-2024 20:29
Behavioral task
behavioral1
Sample
dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe
Resource
win10v2004-20241007-en
General
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Target
dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe
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Size
23KB
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MD5
73ade75d6f3c6a58b34f6504f3b37d30
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SHA1
7f11ad0c2675eaa382fff03ee65f909489558991
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SHA256
dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbb
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SHA512
9eb75744f984c131597163c035255c35406c0f918408330d46d8c94330f2cb1802a17410f0adba3729ce86707a309f23f6f55a09c3bee1a953efc4f2359c73af
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SSDEEP
384:ioWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIp:l7O89p2rRpcnuf
Malware Config
Extracted
njrat
0.7d
HacKed
10.10.1.11:5552
7657c14284185fbd3fb108b43c7467ba
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reg_key
7657c14284185fbd3fb108b43c7467ba
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splitter
|'|'|
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2844 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 2532 server.exe -
Loads dropped DLL 1 IoCs
pid Process 1620 dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"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).
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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 dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 27 IoCs
description pid Process Token: SeDebugPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe Token: 33 2532 server.exe Token: SeIncBasePriorityPrivilege 2532 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1620 wrote to memory of 2532 1620 dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe 31 PID 1620 wrote to memory of 2532 1620 dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe 31 PID 1620 wrote to memory of 2532 1620 dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe 31 PID 1620 wrote to memory of 2532 1620 dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe 31 PID 2532 wrote to memory of 2844 2532 server.exe 32 PID 2532 wrote to memory of 2844 2532 server.exe 32 PID 2532 wrote to memory of 2844 2532 server.exe 32 PID 2532 wrote to memory of 2844 2532 server.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe"C:\Users\Admin\AppData\Local\Temp\dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbbN.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620 -
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:2532 -
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:2844
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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
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
23KB
MD573ade75d6f3c6a58b34f6504f3b37d30
SHA17f11ad0c2675eaa382fff03ee65f909489558991
SHA256dd72ef12b1774273fd4a94929be771612b9d9a0aa6fb3d6ccdeb12645f041bbb
SHA5129eb75744f984c131597163c035255c35406c0f918408330d46d8c94330f2cb1802a17410f0adba3729ce86707a309f23f6f55a09c3bee1a953efc4f2359c73af