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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14/12/2024, 12:22
Behavioral task
behavioral1
Sample
a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral2
Sample
a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
General
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Target
a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe
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Size
37KB
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MD5
b9ada94355eb4620796420f457edcaa1
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SHA1
2913a116f9fea713045de4a59ae55d1fe4c407ec
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SHA256
a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb
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SHA512
f241ce9603b2d7f8434d16beb607cef2b42cc6260813d7f1fa41ade3e9e421bd3ecde2bb22277daefefd970afef84c723c1d9f299f8bd5668de35b2acd6db33e
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SSDEEP
384:CsmI2giHF1tJvubMcKyMTsCPpYTHusyrAF+rMRTyN/0L+EcoinblneHQM3epzX1N:tmDT/Jc5MTsCGzufrM+rMRa8NuPHt
Malware Config
Extracted
njrat
im523
HacKed
lol777.ddns.net:1212
422eaa97c415f834e53f120f3eb1c490
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reg_key
422eaa97c415f834e53f120f3eb1c490
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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 2908 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\422eaa97c415f834e53f120f3eb1c490.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\422eaa97c415f834e53f120f3eb1c490.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 3020 svchost.exe -
Loads dropped DLL 1 IoCs
pid Process 1660 a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\422eaa97c415f834e53f120f3eb1c490 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\422eaa97c415f834e53f120f3eb1c490 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." svchost.exe -
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 svchost.exe File opened for modification F:\autorun.inf svchost.exe File created C:\autorun.inf svchost.exe File opened for modification C:\autorun.inf svchost.exe File created D:\autorun.inf svchost.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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe 3020 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3020 svchost.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe Token: 33 3020 svchost.exe Token: SeIncBasePriorityPrivilege 3020 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1660 wrote to memory of 3020 1660 a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe 31 PID 1660 wrote to memory of 3020 1660 a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe 31 PID 1660 wrote to memory of 3020 1660 a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe 31 PID 1660 wrote to memory of 3020 1660 a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe 31 PID 3020 wrote to memory of 2908 3020 svchost.exe 32 PID 3020 wrote to memory of 2908 3020 svchost.exe 32 PID 3020 wrote to memory of 2908 3020 svchost.exe 32 PID 3020 wrote to memory of 2908 3020 svchost.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe"C:\Users\Admin\AppData\Local\Temp\a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2908
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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
37KB
MD5b9ada94355eb4620796420f457edcaa1
SHA12913a116f9fea713045de4a59ae55d1fe4c407ec
SHA256a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb
SHA512f241ce9603b2d7f8434d16beb607cef2b42cc6260813d7f1fa41ade3e9e421bd3ecde2bb22277daefefd970afef84c723c1d9f299f8bd5668de35b2acd6db33e