Analysis
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max time kernel
135s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-05-2024 01:43
Behavioral task
behavioral1
Sample
48efad4b620a726cd49238df0de9b840_NEAS.exe
Resource
win7-20240221-en
General
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Target
48efad4b620a726cd49238df0de9b840_NEAS.exe
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Size
1.3MB
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MD5
48efad4b620a726cd49238df0de9b840
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SHA1
92b7e6dd1ad49d553718da6671306854a7939875
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SHA256
2a2ee22cdc5eb2c8892c1475ef4dd7b1fe6a9c85988a95634083608f1d5f462a
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SHA512
b1a1498a362cd39eb518f2282e45ded44f5fa75c2a32a8e5cb37eef1c22e252a80950fd098166ad648cbc8dcc851e322b01be14f8e9eb9795c8d18a6a4a8adee
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SSDEEP
24576:zQ5aILMCfmAUjzX6gfU1pjwjbsXhmvZssrD+nRgnf4NvlOrt0JD:E5aIwC+Agr6g81p1vsrNir
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\WinSocket\49efad4b720a827cd49239df0de9b940_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/2936-15-0x0000000000560000-0x0000000000589000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
49efad4b720a827cd49239df0de9b940_NFAS.exe49efad4b720a827cd49239df0de9b940_NFAS.exe49efad4b720a827cd49239df0de9b940_NFAS.exepid process 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe 1072 49efad4b720a827cd49239df0de9b940_NFAS.exe 956 49efad4b720a827cd49239df0de9b940_NFAS.exe -
Loads dropped DLL 2 IoCs
Processes:
48efad4b620a726cd49238df0de9b840_NEAS.exepid process 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe 2936 48efad4b620a726cd49238df0de9b840_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 2672 sc.exe 2572 sc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
48efad4b620a726cd49238df0de9b840_NEAS.exepowershell.exepid process 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe 2724 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exe49efad4b720a827cd49239df0de9b940_NFAS.exe49efad4b720a827cd49239df0de9b940_NFAS.exedescription pid process Token: SeDebugPrivilege 2724 powershell.exe Token: SeTcbPrivilege 1072 49efad4b720a827cd49239df0de9b940_NFAS.exe Token: SeTcbPrivilege 956 49efad4b720a827cd49239df0de9b940_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
48efad4b620a726cd49238df0de9b840_NEAS.exe49efad4b720a827cd49239df0de9b940_NFAS.exe49efad4b720a827cd49239df0de9b940_NFAS.exe49efad4b720a827cd49239df0de9b940_NFAS.exepid process 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe 1072 49efad4b720a827cd49239df0de9b940_NFAS.exe 956 49efad4b720a827cd49239df0de9b940_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
48efad4b620a726cd49238df0de9b840_NEAS.execmd.execmd.execmd.exe49efad4b720a827cd49239df0de9b940_NFAS.exetaskeng.exe49efad4b720a827cd49239df0de9b940_NFAS.exedescription pid process target process PID 2936 wrote to memory of 2988 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2988 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2988 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2988 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2968 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2968 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2968 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2968 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2976 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2976 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2976 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2976 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe cmd.exe PID 2936 wrote to memory of 2644 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe 49efad4b720a827cd49239df0de9b940_NFAS.exe PID 2936 wrote to memory of 2644 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe 49efad4b720a827cd49239df0de9b940_NFAS.exe PID 2936 wrote to memory of 2644 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe 49efad4b720a827cd49239df0de9b940_NFAS.exe PID 2936 wrote to memory of 2644 2936 48efad4b620a726cd49238df0de9b840_NEAS.exe 49efad4b720a827cd49239df0de9b940_NFAS.exe PID 2988 wrote to memory of 2672 2988 cmd.exe sc.exe PID 2988 wrote to memory of 2672 2988 cmd.exe sc.exe PID 2988 wrote to memory of 2672 2988 cmd.exe sc.exe PID 2988 wrote to memory of 2672 2988 cmd.exe sc.exe PID 2968 wrote to memory of 2572 2968 cmd.exe sc.exe PID 2968 wrote to memory of 2572 2968 cmd.exe sc.exe PID 2968 wrote to memory of 2572 2968 cmd.exe sc.exe PID 2968 wrote to memory of 2572 2968 cmd.exe sc.exe PID 2976 wrote to memory of 2724 2976 cmd.exe powershell.exe PID 2976 wrote to memory of 2724 2976 cmd.exe powershell.exe PID 2976 wrote to memory of 2724 2976 cmd.exe powershell.exe PID 2976 wrote to memory of 2724 2976 cmd.exe powershell.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 2644 wrote to memory of 2560 2644 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 1936 wrote to memory of 1072 1936 taskeng.exe 49efad4b720a827cd49239df0de9b940_NFAS.exe PID 1936 wrote to memory of 1072 1936 taskeng.exe 49efad4b720a827cd49239df0de9b940_NFAS.exe PID 1936 wrote to memory of 1072 1936 taskeng.exe 49efad4b720a827cd49239df0de9b940_NFAS.exe PID 1936 wrote to memory of 1072 1936 taskeng.exe 49efad4b720a827cd49239df0de9b940_NFAS.exe PID 1072 wrote to memory of 320 1072 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 1072 wrote to memory of 320 1072 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 1072 wrote to memory of 320 1072 49efad4b720a827cd49239df0de9b940_NFAS.exe svchost.exe PID 1072 wrote to memory of 320 1072 49efad4b720a827cd49239df0de9b940_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\48efad4b620a726cd49238df0de9b840_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\48efad4b620a726cd49238df0de9b840_NEAS.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2672 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2968 -
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:2976 -
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\49efad4b720a827cd49239df0de9b940_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\49efad4b720a827cd49239df0de9b940_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2560
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C:\Windows\system32\taskeng.exetaskeng.exe {D073E561-50E2-4158-9979-94AA20A9DEB7} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Users\Admin\AppData\Roaming\WinSocket\49efad4b720a827cd49239df0de9b940_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\49efad4b720a827cd49239df0de9b940_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:320
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C:\Users\Admin\AppData\Roaming\WinSocket\49efad4b720a827cd49239df0de9b940_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\49efad4b720a827cd49239df0de9b940_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:956 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1860
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD548efad4b620a726cd49238df0de9b840
SHA192b7e6dd1ad49d553718da6671306854a7939875
SHA2562a2ee22cdc5eb2c8892c1475ef4dd7b1fe6a9c85988a95634083608f1d5f462a
SHA512b1a1498a362cd39eb518f2282e45ded44f5fa75c2a32a8e5cb37eef1c22e252a80950fd098166ad648cbc8dcc851e322b01be14f8e9eb9795c8d18a6a4a8adee