Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
23-11-2024 19:43
Static task
static1
Behavioral task
behavioral1
Sample
9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe
Resource
win10v2004-20241007-en
General
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Target
9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe
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Size
156KB
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MD5
15350d048d796ddc6136778924b157a1
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SHA1
35a7e56832aa3a95416e31097a08b8f38da8461f
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SHA256
9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90
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SHA512
24c2216a813ce21811ae32552840ab5856897ff3c120bc5b94ee6fda3e9ee6222126626637e5c9a89cfaeabcc4a124ea49bba3cbc1effbe0ae5e33750673fc39
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SSDEEP
3072:1GE8RodzdbSNO4wmR34hP8naoAk3/zZMi0GFk+enoNRDuUlbH:1G3k+GojDuUlL
Malware Config
Extracted
njrat
0.7d
HacKed
emad1987.myq-see.com:3973
5380bd110381d2960055cc04618dfc86
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reg_key
5380bd110381d2960055cc04618dfc86
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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 2820 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5380bd110381d2960055cc04618dfc86.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5380bd110381d2960055cc04618dfc86.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 2788 server.exe -
Loads dropped DLL 1 IoCs
pid Process 1364 9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\5380bd110381d2960055cc04618dfc86 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5380bd110381d2960055cc04618dfc86 = "\"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 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 9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe -
Suspicious use of AdjustPrivilegeToken 27 IoCs
description pid Process Token: SeDebugPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe Token: 33 2788 server.exe Token: SeIncBasePriorityPrivilege 2788 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1364 wrote to memory of 2788 1364 9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe 30 PID 1364 wrote to memory of 2788 1364 9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe 30 PID 1364 wrote to memory of 2788 1364 9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe 30 PID 1364 wrote to memory of 2788 1364 9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe 30 PID 2788 wrote to memory of 2820 2788 server.exe 31 PID 2788 wrote to memory of 2820 2788 server.exe 31 PID 2788 wrote to memory of 2820 2788 server.exe 31 PID 2788 wrote to memory of 2820 2788 server.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe"C:\Users\Admin\AppData\Local\Temp\9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2788 -
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:2820
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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
Loading Replay Monitor...
Downloads
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Filesize
156KB
MD515350d048d796ddc6136778924b157a1
SHA135a7e56832aa3a95416e31097a08b8f38da8461f
SHA2569148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90
SHA51224c2216a813ce21811ae32552840ab5856897ff3c120bc5b94ee6fda3e9ee6222126626637e5c9a89cfaeabcc4a124ea49bba3cbc1effbe0ae5e33750673fc39