Analysis
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max time kernel
135s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
07-05-2024 01:18
Behavioral task
behavioral1
Sample
44a71764cdc5e937e3d65409bdd318a0_NEAS.exe
Resource
win7-20240419-en
General
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Target
44a71764cdc5e937e3d65409bdd318a0_NEAS.exe
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Size
1022KB
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MD5
44a71764cdc5e937e3d65409bdd318a0
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SHA1
f1405280b3c81d9f2c5ff6dfaafbde8440b757e0
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SHA256
e1e9e74aecda0a4289de833724a957cc19ae6c6ffcf5a548491991de36aa2b6c
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SHA512
834c2323d2dd4cca77d00cad928a38230afc82b44204de0f87ba4fc6cdd491d9f1f23bc4699a741f0017041fa5396b4d74e64e20e2f20b93394de5c541164323
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SSDEEP
12288:zJB0lh5aILwtFPCfmAUtFC6NXbv+GEs1HzCHT4TlM9YmJ2Q97v54yRnkQgVfIX3w:zQ5aILMCfmAUjzX6T0TlOnvPyQCfgA
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\WinSocket\44a81874cdc6e938e3d76409bdd319a0_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/2188-15-0x0000000000630000-0x0000000000659000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
44a81874cdc6e938e3d76409bdd319a0_NFAS.exe44a81874cdc6e938e3d76409bdd319a0_NFAS.exe44a81874cdc6e938e3d76409bdd319a0_NFAS.exepid process 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe 1232 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe 688 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe -
Loads dropped DLL 2 IoCs
Processes:
44a71764cdc5e937e3d65409bdd318a0_NEAS.exepid process 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe 2188 44a71764cdc5e937e3d65409bdd318a0_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 2120 sc.exe 2912 sc.exe 2996 sc.exe 2908 sc.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
44a71764cdc5e937e3d65409bdd318a0_NEAS.exe44a81874cdc6e938e3d76409bdd319a0_NFAS.exepowershell.exepowershell.exepid process 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe 2132 powershell.exe 2928 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exepowershell.exe44a81874cdc6e938e3d76409bdd319a0_NFAS.exe44a81874cdc6e938e3d76409bdd319a0_NFAS.exedescription pid process Token: SeDebugPrivilege 2132 powershell.exe Token: SeDebugPrivilege 2928 powershell.exe Token: SeTcbPrivilege 1232 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe Token: SeTcbPrivilege 688 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
44a71764cdc5e937e3d65409bdd318a0_NEAS.exe44a81874cdc6e938e3d76409bdd319a0_NFAS.exe44a81874cdc6e938e3d76409bdd319a0_NFAS.exe44a81874cdc6e938e3d76409bdd319a0_NFAS.exepid process 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe 1232 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe 688 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
44a71764cdc5e937e3d65409bdd318a0_NEAS.exe44a81874cdc6e938e3d76409bdd319a0_NFAS.execmd.execmd.exedescription pid process target process PID 2188 wrote to memory of 2272 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2272 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2272 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2272 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2096 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2096 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2096 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2096 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2980 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2980 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2980 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2980 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe cmd.exe PID 2188 wrote to memory of 2680 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe PID 2188 wrote to memory of 2680 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe PID 2188 wrote to memory of 2680 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe PID 2188 wrote to memory of 2680 2188 44a71764cdc5e937e3d65409bdd318a0_NEAS.exe 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe PID 2680 wrote to memory of 2040 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2040 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2040 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2040 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2508 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2508 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2508 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2508 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2896 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2896 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2896 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2896 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe cmd.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2680 wrote to memory of 2536 2680 44a81874cdc6e938e3d76409bdd319a0_NFAS.exe svchost.exe PID 2508 wrote to memory of 2120 2508 cmd.exe sc.exe PID 2508 wrote to memory of 2120 2508 cmd.exe sc.exe PID 2508 wrote to memory of 2120 2508 cmd.exe sc.exe PID 2508 wrote to memory of 2120 2508 cmd.exe sc.exe PID 2272 wrote to memory of 2912 2272 cmd.exe sc.exe PID 2272 wrote to memory of 2912 2272 cmd.exe sc.exe PID 2272 wrote to memory of 2912 2272 cmd.exe sc.exe PID 2272 wrote to memory of 2912 2272 cmd.exe sc.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\44a71764cdc5e937e3d65409bdd318a0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\44a71764cdc5e937e3d65409bdd318a0_NEAS.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2912 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵PID:2096
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C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:2908 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵PID:2980
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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:2132 -
C:\Users\Admin\AppData\Roaming\WinSocket\44a81874cdc6e938e3d76409bdd319a0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\44a81874cdc6e938e3d76409bdd319a0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend3⤵PID:2040
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C:\Windows\SysWOW64\sc.exesc stop WinDefend4⤵
- Launches sc.exe
PID:2996 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend3⤵
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend4⤵
- Launches sc.exe
PID:2120 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true3⤵PID:2896
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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:2928 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2536
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C:\Windows\system32\taskeng.exetaskeng.exe {D78CF5BF-9ABC-48EE-AD65-61E650AF1CAB} S-1-5-18:NT AUTHORITY\System:Service:1⤵PID:2852
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C:\Users\Admin\AppData\Roaming\WinSocket\44a81874cdc6e938e3d76409bdd319a0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\44a81874cdc6e938e3d76409bdd319a0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1232 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2880
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C:\Users\Admin\AppData\Roaming\WinSocket\44a81874cdc6e938e3d76409bdd319a0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\44a81874cdc6e938e3d76409bdd319a0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:688 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2948
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5fe83f72208f3e9cbc188df9299740739
SHA175d78af2303087cf2a3ae5e4e2b5f0daf83f6349
SHA2565288b049dc1d275f532cf8ab71e3fbad661070af4701c51f8c8e99d4af94e0e0
SHA5121940ceea94be6faca2dfb3671c4862a7ca591108cf251ae4d5fe082b65b99bb45ab21bc44a8b50b51bdb4e306ff37ab8c1786f69e1259a1b4d4ed933deb3e290
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Filesize
1022KB
MD544a71764cdc5e937e3d65409bdd318a0
SHA1f1405280b3c81d9f2c5ff6dfaafbde8440b757e0
SHA256e1e9e74aecda0a4289de833724a957cc19ae6c6ffcf5a548491991de36aa2b6c
SHA512834c2323d2dd4cca77d00cad928a38230afc82b44204de0f87ba4fc6cdd491d9f1f23bc4699a741f0017041fa5396b4d74e64e20e2f20b93394de5c541164323