Analysis
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max time kernel
135s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
06-05-2024 23:09
Behavioral task
behavioral1
Sample
2d6b22ddd824668bf44557810eee2ef0_NEAS.exe
Resource
win7-20231129-en
General
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Target
2d6b22ddd824668bf44557810eee2ef0_NEAS.exe
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Size
1.2MB
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MD5
2d6b22ddd824668bf44557810eee2ef0
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SHA1
554588aa2bb768ceaa722fc121f7a06369ff10d4
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SHA256
40789cd8a229a28e6630a9175fee3054e35d403655acffd2c78a1551f0710ce7
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SHA512
5ba5f31fa6eed59afacfb143a4ed23d5d32aa25f3b74bb42b735e6e82b370168a60855ce45e9c01c27908a89885c35f67d1625d8fb6fc6e1f141feef164644af
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQGCZLFdGm1Sdr36OTcgapChIwT:E5aIwC+Agr6S/FEVB
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\WinSocket\2d7b22ddd924779bf44668910eee2ef0_NFAS.exe family_kpot -
Trickbot x86 loader 1 IoCs
Detected Trickbot's x86 loader that unpacks the x86 payload.
Processes:
resource yara_rule behavioral1/memory/1712-15-0x0000000000630000-0x0000000000659000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
2d7b22ddd924779bf44668910eee2ef0_NFAS.exe2d7b22ddd924779bf44668910eee2ef0_NFAS.exe2d7b22ddd924779bf44668910eee2ef0_NFAS.exepid process 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe 1076 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe 904 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe -
Loads dropped DLL 2 IoCs
Processes:
2d6b22ddd824668bf44557810eee2ef0_NEAS.exepid process 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe -
Drops file in System32 directory 2 IoCs
Processes:
powershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Launches sc.exe 4 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exesc.exepid process 2596 sc.exe 2572 sc.exe 2800 sc.exe 2460 sc.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
2d6b22ddd824668bf44557810eee2ef0_NEAS.exe2d7b22ddd924779bf44668910eee2ef0_NFAS.exepowershell.exepowershell.exepid process 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe 2724 powershell.exe 2504 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exepowershell.exe2d7b22ddd924779bf44668910eee2ef0_NFAS.exe2d7b22ddd924779bf44668910eee2ef0_NFAS.exedescription pid process Token: SeDebugPrivilege 2724 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeTcbPrivilege 1076 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe Token: SeTcbPrivilege 904 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
2d6b22ddd824668bf44557810eee2ef0_NEAS.exe2d7b22ddd924779bf44668910eee2ef0_NFAS.exe2d7b22ddd924779bf44668910eee2ef0_NFAS.exe2d7b22ddd924779bf44668910eee2ef0_NFAS.exepid process 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe 1076 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe 904 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
2d6b22ddd824668bf44557810eee2ef0_NEAS.execmd.execmd.execmd.exe2d7b22ddd924779bf44668910eee2ef0_NFAS.exedescription pid process target process PID 1712 wrote to memory of 2744 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 2744 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 2744 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 2744 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 2036 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 2036 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 2036 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 2036 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 3032 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 3032 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 3032 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 3032 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe cmd.exe PID 1712 wrote to memory of 2148 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe PID 1712 wrote to memory of 2148 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe PID 1712 wrote to memory of 2148 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe PID 1712 wrote to memory of 2148 1712 2d6b22ddd824668bf44557810eee2ef0_NEAS.exe 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe PID 2744 wrote to memory of 2596 2744 cmd.exe sc.exe PID 2744 wrote to memory of 2596 2744 cmd.exe sc.exe PID 2744 wrote to memory of 2596 2744 cmd.exe sc.exe PID 2744 wrote to memory of 2596 2744 cmd.exe sc.exe PID 2036 wrote to memory of 2572 2036 cmd.exe sc.exe PID 2036 wrote to memory of 2572 2036 cmd.exe sc.exe PID 2036 wrote to memory of 2572 2036 cmd.exe sc.exe PID 2036 wrote to memory of 2572 2036 cmd.exe sc.exe PID 3032 wrote to memory of 2724 3032 cmd.exe powershell.exe PID 3032 wrote to memory of 2724 3032 cmd.exe powershell.exe PID 3032 wrote to memory of 2724 3032 cmd.exe powershell.exe PID 3032 wrote to memory of 2724 3032 cmd.exe powershell.exe PID 2148 wrote to memory of 2664 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2664 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2664 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2664 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2556 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2556 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2556 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2556 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2736 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2736 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2736 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2736 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe cmd.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe PID 2148 wrote to memory of 2932 2148 2d7b22ddd924779bf44668910eee2ef0_NFAS.exe svchost.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\2d6b22ddd824668bf44557810eee2ef0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\2d6b22ddd824668bf44557810eee2ef0_NEAS.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2596 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:2572 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell Set-MpPreference -DisableRealtimeMonitoring $true3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724 -
C:\Users\Admin\AppData\Roaming\WinSocket\2d7b22ddd924779bf44668910eee2ef0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\2d7b22ddd924779bf44668910eee2ef0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend3⤵PID:2664
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C:\Windows\SysWOW64\sc.exesc stop WinDefend4⤵
- Launches sc.exe
PID:2460 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend3⤵PID:2556
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C:\Windows\SysWOW64\sc.exesc delete WinDefend4⤵
- Launches sc.exe
PID:2800 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true3⤵PID:2736
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell Set-MpPreference -DisableRealtimeMonitoring $true4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2504 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2932
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C:\Windows\system32\taskeng.exetaskeng.exe {5E5A485C-F3BF-4D15-8C22-EE41654FF268} S-1-5-18:NT AUTHORITY\System:Service:1⤵PID:952
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C:\Users\Admin\AppData\Roaming\WinSocket\2d7b22ddd924779bf44668910eee2ef0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\2d7b22ddd924779bf44668910eee2ef0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1076 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2312
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C:\Users\Admin\AppData\Roaming\WinSocket\2d7b22ddd924779bf44668910eee2ef0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\2d7b22ddd924779bf44668910eee2ef0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:904 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:468
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD52d6b22ddd824668bf44557810eee2ef0
SHA1554588aa2bb768ceaa722fc121f7a06369ff10d4
SHA25640789cd8a229a28e6630a9175fee3054e35d403655acffd2c78a1551f0710ce7
SHA5125ba5f31fa6eed59afacfb143a4ed23d5d32aa25f3b74bb42b735e6e82b370168a60855ce45e9c01c27908a89885c35f67d1625d8fb6fc6e1f141feef164644af