Analysis
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max time kernel
135s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-05-2024 07:18
Behavioral task
behavioral1
Sample
8eaff92956b903c6aada9f749dce2360_NEAS.exe
Resource
win7-20240221-en
General
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Target
8eaff92956b903c6aada9f749dce2360_NEAS.exe
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Size
1.2MB
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MD5
8eaff92956b903c6aada9f749dce2360
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SHA1
f3fe9e15bf29c347880f093ad8cf1d3a6d7b2dea
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SHA256
5649ac66b6bba881528cfaea834559f33b22485be338b9f9c320e124b9a39fd3
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SHA512
b406f89291098887b4387c35efd2f1e2cdd4e12f276cef8b3eb24b465fe6d71a5713422155cc4673d150d3630f399f0e7995e90275461a6eed18c63913fd687b
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQGCZLFdGm1Sdr36OTcgapChIwi0rfQ:E5aIwC+Agr6S/FEVpw
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\WinSocket\9eaff92967b903c7aada9f849dce2370_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/2660-15-0x00000000003D0000-0x00000000003F9000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
9eaff92967b903c7aada9f849dce2370_NFAS.exe9eaff92967b903c7aada9f849dce2370_NFAS.exe9eaff92967b903c7aada9f849dce2370_NFAS.exepid process 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe 2020 9eaff92967b903c7aada9f849dce2370_NFAS.exe 328 9eaff92967b903c7aada9f849dce2370_NFAS.exe -
Loads dropped DLL 2 IoCs
Processes:
8eaff92956b903c6aada9f749dce2360_NEAS.exepid process 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe -
Drops file in System32 directory 1 IoCs
Processes:
powershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exepid process 1660 sc.exe 2412 sc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
8eaff92956b903c6aada9f749dce2360_NEAS.exepowershell.exepid process 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe 2448 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exe9eaff92967b903c7aada9f849dce2370_NFAS.exe9eaff92967b903c7aada9f849dce2370_NFAS.exedescription pid process Token: SeDebugPrivilege 2448 powershell.exe Token: SeTcbPrivilege 2020 9eaff92967b903c7aada9f849dce2370_NFAS.exe Token: SeTcbPrivilege 328 9eaff92967b903c7aada9f849dce2370_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
8eaff92956b903c6aada9f749dce2360_NEAS.exe9eaff92967b903c7aada9f849dce2370_NFAS.exe9eaff92967b903c7aada9f849dce2370_NFAS.exe9eaff92967b903c7aada9f849dce2370_NFAS.exepid process 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe 2020 9eaff92967b903c7aada9f849dce2370_NFAS.exe 328 9eaff92967b903c7aada9f849dce2370_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
8eaff92956b903c6aada9f749dce2360_NEAS.execmd.execmd.execmd.exe9eaff92967b903c7aada9f849dce2370_NFAS.exetaskeng.exe9eaff92967b903c7aada9f849dce2370_NFAS.exedescription pid process target process PID 2660 wrote to memory of 2612 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2612 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2612 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2612 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2632 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2632 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2632 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2632 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2548 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2548 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2548 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2548 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe cmd.exe PID 2660 wrote to memory of 2648 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe 9eaff92967b903c7aada9f849dce2370_NFAS.exe PID 2660 wrote to memory of 2648 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe 9eaff92967b903c7aada9f849dce2370_NFAS.exe PID 2660 wrote to memory of 2648 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe 9eaff92967b903c7aada9f849dce2370_NFAS.exe PID 2660 wrote to memory of 2648 2660 8eaff92956b903c6aada9f749dce2360_NEAS.exe 9eaff92967b903c7aada9f849dce2370_NFAS.exe PID 2632 wrote to memory of 2412 2632 cmd.exe sc.exe PID 2632 wrote to memory of 2412 2632 cmd.exe sc.exe PID 2632 wrote to memory of 2412 2632 cmd.exe sc.exe PID 2632 wrote to memory of 2412 2632 cmd.exe sc.exe PID 2612 wrote to memory of 1660 2612 cmd.exe sc.exe PID 2612 wrote to memory of 1660 2612 cmd.exe sc.exe PID 2612 wrote to memory of 1660 2612 cmd.exe sc.exe PID 2612 wrote to memory of 1660 2612 cmd.exe sc.exe PID 2548 wrote to memory of 2448 2548 cmd.exe powershell.exe PID 2548 wrote to memory of 2448 2548 cmd.exe powershell.exe PID 2548 wrote to memory of 2448 2548 cmd.exe powershell.exe PID 2548 wrote to memory of 2448 2548 cmd.exe powershell.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2648 wrote to memory of 2860 2648 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 1484 wrote to memory of 2020 1484 taskeng.exe 9eaff92967b903c7aada9f849dce2370_NFAS.exe PID 1484 wrote to memory of 2020 1484 taskeng.exe 9eaff92967b903c7aada9f849dce2370_NFAS.exe PID 1484 wrote to memory of 2020 1484 taskeng.exe 9eaff92967b903c7aada9f849dce2370_NFAS.exe PID 1484 wrote to memory of 2020 1484 taskeng.exe 9eaff92967b903c7aada9f849dce2370_NFAS.exe PID 2020 wrote to memory of 1852 2020 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2020 wrote to memory of 1852 2020 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2020 wrote to memory of 1852 2020 9eaff92967b903c7aada9f849dce2370_NFAS.exe svchost.exe PID 2020 wrote to memory of 1852 2020 9eaff92967b903c7aada9f849dce2370_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\8eaff92956b903c6aada9f749dce2360_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\8eaff92956b903c6aada9f749dce2360_NEAS.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:1660 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2632 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:2412 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵
- Suspicious use of WriteProcessMemory
PID:2548 -
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:2448 -
C:\Users\Admin\AppData\Roaming\WinSocket\9eaff92967b903c7aada9f849dce2370_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\9eaff92967b903c7aada9f849dce2370_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2860
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C:\Windows\system32\taskeng.exetaskeng.exe {CB310CC6-44A2-400A-95EF-6F07C1ADB2B5} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Users\Admin\AppData\Roaming\WinSocket\9eaff92967b903c7aada9f849dce2370_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\9eaff92967b903c7aada9f849dce2370_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1852
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C:\Users\Admin\AppData\Roaming\WinSocket\9eaff92967b903c7aada9f849dce2370_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\9eaff92967b903c7aada9f849dce2370_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:328 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:356
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD58eaff92956b903c6aada9f749dce2360
SHA1f3fe9e15bf29c347880f093ad8cf1d3a6d7b2dea
SHA2565649ac66b6bba881528cfaea834559f33b22485be338b9f9c320e124b9a39fd3
SHA512b406f89291098887b4387c35efd2f1e2cdd4e12f276cef8b3eb24b465fe6d71a5713422155cc4673d150d3630f399f0e7995e90275461a6eed18c63913fd687b