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 04:57
Behavioral task
behavioral1
Sample
6becceb5454a3e9a9e3899a1978073b0_NEAS.exe
Resource
win7-20240221-en
General
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Target
6becceb5454a3e9a9e3899a1978073b0_NEAS.exe
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Size
1.1MB
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MD5
6becceb5454a3e9a9e3899a1978073b0
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SHA1
318033772e3907b155419e6fb8c199135f675341
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SHA256
9e75579eda7e12897f9eb4e9bac58779a2d575d24d818c450fd0f024a29abb66
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SHA512
a8d44cf353a5a865e096a9cc386b3cb848b49c97e2abaeb577ae677d8495debb14c7ef476028f9b845d365be4a448e6ec895802938ab4a325583d19b4e0ef9cf
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQGCZLFdGm1Sd8zG7u75+FmVf69AsFV:E5aIwC+Agr6S/FEAGsji6A
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\WinSocket\7becceb6464a3e9a9e3999a1989083b0_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/2776-15-0x0000000000290000-0x00000000002B9000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
7becceb6464a3e9a9e3999a1989083b0_NFAS.exe7becceb6464a3e9a9e3999a1989083b0_NFAS.exe7becceb6464a3e9a9e3999a1989083b0_NFAS.exepid process 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe 1040 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe 1136 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe -
Loads dropped DLL 2 IoCs
Processes:
6becceb5454a3e9a9e3899a1978073b0_NEAS.exepid process 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe 2776 6becceb5454a3e9a9e3899a1978073b0_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 2540 sc.exe 2532 sc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
6becceb5454a3e9a9e3899a1978073b0_NEAS.exepowershell.exepid process 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe 2072 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exe7becceb6464a3e9a9e3999a1989083b0_NFAS.exe7becceb6464a3e9a9e3999a1989083b0_NFAS.exedescription pid process Token: SeDebugPrivilege 2072 powershell.exe Token: SeTcbPrivilege 1040 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe Token: SeTcbPrivilege 1136 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
6becceb5454a3e9a9e3899a1978073b0_NEAS.exe7becceb6464a3e9a9e3999a1989083b0_NFAS.exe7becceb6464a3e9a9e3999a1989083b0_NFAS.exe7becceb6464a3e9a9e3999a1989083b0_NFAS.exepid process 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe 1040 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe 1136 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
6becceb5454a3e9a9e3899a1978073b0_NEAS.execmd.execmd.execmd.exe7becceb6464a3e9a9e3999a1989083b0_NFAS.exetaskeng.exe7becceb6464a3e9a9e3999a1989083b0_NFAS.exedescription pid process target process PID 2776 wrote to memory of 2728 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2728 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2728 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2728 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2500 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2500 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2500 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2500 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2920 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2920 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2920 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2920 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe cmd.exe PID 2776 wrote to memory of 2712 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe PID 2776 wrote to memory of 2712 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe PID 2776 wrote to memory of 2712 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe PID 2776 wrote to memory of 2712 2776 6becceb5454a3e9a9e3899a1978073b0_NEAS.exe 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe PID 2500 wrote to memory of 2532 2500 cmd.exe sc.exe PID 2500 wrote to memory of 2532 2500 cmd.exe sc.exe PID 2500 wrote to memory of 2532 2500 cmd.exe sc.exe PID 2500 wrote to memory of 2532 2500 cmd.exe sc.exe PID 2728 wrote to memory of 2540 2728 cmd.exe sc.exe PID 2728 wrote to memory of 2540 2728 cmd.exe sc.exe PID 2728 wrote to memory of 2540 2728 cmd.exe sc.exe PID 2728 wrote to memory of 2540 2728 cmd.exe sc.exe PID 2920 wrote to memory of 2072 2920 cmd.exe powershell.exe PID 2920 wrote to memory of 2072 2920 cmd.exe powershell.exe PID 2920 wrote to memory of 2072 2920 cmd.exe powershell.exe PID 2920 wrote to memory of 2072 2920 cmd.exe powershell.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2712 wrote to memory of 2460 2712 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 2180 wrote to memory of 1040 2180 taskeng.exe 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe PID 2180 wrote to memory of 1040 2180 taskeng.exe 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe PID 2180 wrote to memory of 1040 2180 taskeng.exe 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe PID 2180 wrote to memory of 1040 2180 taskeng.exe 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe PID 1040 wrote to memory of 1032 1040 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 1040 wrote to memory of 1032 1040 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 1040 wrote to memory of 1032 1040 7becceb6464a3e9a9e3999a1989083b0_NFAS.exe svchost.exe PID 1040 wrote to memory of 1032 1040 7becceb6464a3e9a9e3999a1989083b0_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\6becceb5454a3e9a9e3899a1978073b0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\6becceb5454a3e9a9e3899a1978073b0_NEAS.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2540 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:2532 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵
- Suspicious use of WriteProcessMemory
PID:2920 -
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:2072 -
C:\Users\Admin\AppData\Roaming\WinSocket\7becceb6464a3e9a9e3999a1989083b0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\7becceb6464a3e9a9e3999a1989083b0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2460
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C:\Windows\system32\taskeng.exetaskeng.exe {2671657C-159D-4679-90CE-9AB3BA49CAF0} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Roaming\WinSocket\7becceb6464a3e9a9e3999a1989083b0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\7becceb6464a3e9a9e3999a1989083b0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1032
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C:\Users\Admin\AppData\Roaming\WinSocket\7becceb6464a3e9a9e3999a1989083b0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\7becceb6464a3e9a9e3999a1989083b0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1136 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1556
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD56becceb5454a3e9a9e3899a1978073b0
SHA1318033772e3907b155419e6fb8c199135f675341
SHA2569e75579eda7e12897f9eb4e9bac58779a2d575d24d818c450fd0f024a29abb66
SHA512a8d44cf353a5a865e096a9cc386b3cb848b49c97e2abaeb577ae677d8495debb14c7ef476028f9b845d365be4a448e6ec895802938ab4a325583d19b4e0ef9cf