Analysis
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max time kernel
135s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
06-05-2024 19:21
Behavioral task
behavioral1
Sample
01f8cd895dd719c83038356c6fe96160_NEAS.exe
Resource
win7-20240419-en
General
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Target
01f8cd895dd719c83038356c6fe96160_NEAS.exe
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Size
1.2MB
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MD5
01f8cd895dd719c83038356c6fe96160
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SHA1
4b817e515df12017f6b1d3c5becb27934ab62fd7
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SHA256
efc7cfc7f83e9a33a7856e1108c2433887172153ea8fc56076534925a5d94d32
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SHA512
8ca9a0eb469c8e51eb03f4e6bae011a4b19d3831d9c77bf34b0929f91f52c4ed5cbba0b3ef9892364bc6c1ffa5f50a4f046c5814271ae5a0a1da393449e10c91
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQt+4En+bcMAOxA5zYlo1c51WnO7h:E5aIwC+Agr6StVEnmcKxY/O1R
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_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/1800-15-0x0000000000300000-0x0000000000329000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exepid process 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe 2272 01f9cd996dd819c93039367c7fe97170_NFAS.exe 2044 01f9cd996dd819c93039367c7fe97170_NFAS.exe -
Loads dropped DLL 2 IoCs
Processes:
01f8cd895dd719c83038356c6fe96160_NEAS.exepid process 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe 1800 01f8cd895dd719c83038356c6fe96160_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 2528 sc.exe 2676 sc.exe 2516 sc.exe 2584 sc.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
01f8cd895dd719c83038356c6fe96160_NEAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exepowershell.exepowershell.exepid process 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe 2644 powershell.exe 2540 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exepowershell.exe01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exedescription pid process Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 2540 powershell.exe Token: SeTcbPrivilege 2272 01f9cd996dd819c93039367c7fe97170_NFAS.exe Token: SeTcbPrivilege 2044 01f9cd996dd819c93039367c7fe97170_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
01f8cd895dd719c83038356c6fe96160_NEAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exepid process 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe 2272 01f9cd996dd819c93039367c7fe97170_NFAS.exe 2044 01f9cd996dd819c93039367c7fe97170_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
01f8cd895dd719c83038356c6fe96160_NEAS.execmd.execmd.execmd.exe01f9cd996dd819c93039367c7fe97170_NFAS.exedescription pid process target process PID 1800 wrote to memory of 1792 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 1792 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 1792 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 1792 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 2900 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 2900 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 2900 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 2900 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 2916 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 2916 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 2916 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 2916 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe cmd.exe PID 1800 wrote to memory of 2996 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe 01f9cd996dd819c93039367c7fe97170_NFAS.exe PID 1800 wrote to memory of 2996 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe 01f9cd996dd819c93039367c7fe97170_NFAS.exe PID 1800 wrote to memory of 2996 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe 01f9cd996dd819c93039367c7fe97170_NFAS.exe PID 1800 wrote to memory of 2996 1800 01f8cd895dd719c83038356c6fe96160_NEAS.exe 01f9cd996dd819c93039367c7fe97170_NFAS.exe PID 2916 wrote to memory of 2644 2916 cmd.exe powershell.exe PID 2916 wrote to memory of 2644 2916 cmd.exe powershell.exe PID 2916 wrote to memory of 2644 2916 cmd.exe powershell.exe PID 2916 wrote to memory of 2644 2916 cmd.exe powershell.exe PID 1792 wrote to memory of 2528 1792 cmd.exe sc.exe PID 1792 wrote to memory of 2528 1792 cmd.exe sc.exe PID 1792 wrote to memory of 2528 1792 cmd.exe sc.exe PID 1792 wrote to memory of 2528 1792 cmd.exe sc.exe PID 2900 wrote to memory of 2676 2900 cmd.exe sc.exe PID 2900 wrote to memory of 2676 2900 cmd.exe sc.exe PID 2900 wrote to memory of 2676 2900 cmd.exe sc.exe PID 2900 wrote to memory of 2676 2900 cmd.exe sc.exe PID 2996 wrote to memory of 2372 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2372 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2372 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2372 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2636 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2636 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2636 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2636 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2072 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2072 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2072 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2072 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe cmd.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 2996 wrote to memory of 2832 2996 01f9cd996dd819c93039367c7fe97170_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\01f8cd895dd719c83038356c6fe96160_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\01f8cd895dd719c83038356c6fe96160_NEAS.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2528 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:2676 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵
- Suspicious use of WriteProcessMemory
PID:2916 -
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:2644 -
C:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend3⤵PID:2372
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C:\Windows\SysWOW64\sc.exesc stop WinDefend4⤵
- Launches sc.exe
PID:2516 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend3⤵PID:2636
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C:\Windows\SysWOW64\sc.exesc delete WinDefend4⤵
- Launches sc.exe
PID:2584 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true3⤵PID:2072
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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:2540 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2832
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C:\Windows\system32\taskeng.exetaskeng.exe {F9CDA7BB-263E-4969-9C5E-24B661354D87} S-1-5-18:NT AUTHORITY\System:Service:1⤵PID:2236
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C:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2272 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1476
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C:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2044 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2328
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
MD51b3ffe7247261e3c2d2d282d802fc9d7
SHA126c951ab7ad83cf69324ee67d28c73893d4e057f
SHA256314d2225ae50241aaf346be3a06be0789f4fe92565f2a5370e873aeb41af9d12
SHA5126a596aa83e26b54204fbf217608de67ac896159206ff6ffdca95cec3b986c7bc4ff90f35aedae637925436fdf1e986adac012ee5bc493270d41707ddde011581
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Filesize
1.2MB
MD501f8cd895dd719c83038356c6fe96160
SHA14b817e515df12017f6b1d3c5becb27934ab62fd7
SHA256efc7cfc7f83e9a33a7856e1108c2433887172153ea8fc56076534925a5d94d32
SHA5128ca9a0eb469c8e51eb03f4e6bae011a4b19d3831d9c77bf34b0929f91f52c4ed5cbba0b3ef9892364bc6c1ffa5f50a4f046c5814271ae5a0a1da393449e10c91