Analysis
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max time kernel
136s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-05-2024 15:14
Behavioral task
behavioral1
Sample
c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe
Resource
win7-20240221-en
General
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Target
c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe
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Size
1.2MB
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MD5
c6b1d13e1af4dbe86b0a8d57f28c5850
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SHA1
6cd2a70a3d4d4a3ef9a3a1aaae5e04d2a0a85498
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SHA256
ae9be39abd3ca69556a88062e1269e84325e12503e0575348bb3fa905b52ccc1
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SHA512
c1d29410c2ba497ca38dc0bd8a06bf629d88899bff51d0190a110aaa235453924e7507892c4a4401d7559e2722551ee59d759220ba0812b2ef1f98ee2d34833e
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQE4efQg3zNn+2jsvercPk9N4hVI3/TQyFM:E5aIwC+Agr6SqCPGvTy
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\WinSocket\c7b1d13e1af4dbe97b0a9d68f29c6960_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/2292-15-0x0000000000540000-0x0000000000569000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exec7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exec7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exepid process 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe 2736 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe 1908 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe -
Loads dropped DLL 2 IoCs
Processes:
c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exepid process 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_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 456 sc.exe 328 sc.exe 2488 sc.exe 2644 sc.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exec7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exepowershell.exepowershell.exepid process 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe 2912 powershell.exe 1372 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exepowershell.exec7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exec7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exedescription pid process Token: SeDebugPrivilege 2912 powershell.exe Token: SeDebugPrivilege 1372 powershell.exe Token: SeTcbPrivilege 2736 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe Token: SeTcbPrivilege 1908 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exec7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exec7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exec7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exepid process 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe 2736 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe 1908 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.execmd.execmd.exec7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.execmd.exedescription pid process target process PID 2292 wrote to memory of 2916 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2916 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2916 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2916 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2924 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2924 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2924 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2924 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2484 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2484 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2484 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2484 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe cmd.exe PID 2292 wrote to memory of 2676 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe PID 2292 wrote to memory of 2676 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe PID 2292 wrote to memory of 2676 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe PID 2292 wrote to memory of 2676 2292 c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe PID 2924 wrote to memory of 2644 2924 cmd.exe sc.exe PID 2924 wrote to memory of 2644 2924 cmd.exe sc.exe PID 2924 wrote to memory of 2644 2924 cmd.exe sc.exe PID 2924 wrote to memory of 2644 2924 cmd.exe sc.exe PID 2484 wrote to memory of 2912 2484 cmd.exe powershell.exe PID 2484 wrote to memory of 2912 2484 cmd.exe powershell.exe PID 2484 wrote to memory of 2912 2484 cmd.exe powershell.exe PID 2484 wrote to memory of 2912 2484 cmd.exe powershell.exe PID 2676 wrote to memory of 2528 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2528 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2528 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2528 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2520 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2520 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2520 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2520 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2916 wrote to memory of 2488 2916 cmd.exe sc.exe PID 2916 wrote to memory of 2488 2916 cmd.exe sc.exe PID 2916 wrote to memory of 2488 2916 cmd.exe sc.exe PID 2916 wrote to memory of 2488 2916 cmd.exe sc.exe PID 2676 wrote to memory of 2624 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2624 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2624 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2624 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe cmd.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe svchost.exe PID 2676 wrote to memory of 2368 2676 c7b1d13e1af4dbe97b0a9d68f29c6960_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\c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\c6b1d13e1af4dbe86b0a8d57f28c5850_NEAS.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2488 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:2644 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵
- Suspicious use of WriteProcessMemory
PID:2484 -
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:2912 -
C:\Users\Admin\AppData\Roaming\WinSocket\c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend3⤵PID:2528
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C:\Windows\SysWOW64\sc.exesc stop WinDefend4⤵
- Launches sc.exe
PID:328 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend3⤵PID:2520
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C:\Windows\SysWOW64\sc.exesc delete WinDefend4⤵
- Launches sc.exe
PID:456 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true3⤵PID:2624
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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:1372 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2368
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C:\Windows\system32\taskeng.exetaskeng.exe {FA204B1E-6405-4A38-AC5E-40AB2BFDBB74} S-1-5-18:NT AUTHORITY\System:Service:1⤵PID:2948
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C:\Users\Admin\AppData\Roaming\WinSocket\c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2736 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:628
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C:\Users\Admin\AppData\Roaming\WinSocket\c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\c7b1d13e1af4dbe97b0a9d68f29c6960_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1908 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1848
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\ZBJKG7JXLY9PF8ZZC021.temp
Filesize7KB
MD596b78f147974bf1363eed7b08b71bb92
SHA12bbe6d4f09e11e39f613690f3a0f84079b98831f
SHA256b7d0fcf65f95b06e61a6e7e3f340e40569547a6c2d11afff5a5738216e0239d6
SHA512e661f247e794fa1100fbfe97f07856df1b9de24a48c449856b3a562d7ee30b366c9d35d971a8f312c733a73f5ffa65754e90346727511f358d6273b6616f6b60
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Filesize
1.2MB
MD5c6b1d13e1af4dbe86b0a8d57f28c5850
SHA16cd2a70a3d4d4a3ef9a3a1aaae5e04d2a0a85498
SHA256ae9be39abd3ca69556a88062e1269e84325e12503e0575348bb3fa905b52ccc1
SHA512c1d29410c2ba497ca38dc0bd8a06bf629d88899bff51d0190a110aaa235453924e7507892c4a4401d7559e2722551ee59d759220ba0812b2ef1f98ee2d34833e