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
08-05-2024 08:48
Behavioral task
behavioral1
Sample
33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe
Resource
win7-20240419-en
General
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Target
33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe
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Size
1.3MB
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MD5
33e4cf784e8f6447d525872c2e3ecc10
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SHA1
1150a1c204e3ef62fc02979b8d78465d37620489
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SHA256
078c3a5f3d04bfd3a19b7bc69e629c1baa115d3226520c86d9e4b6f78c5b5782
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SHA512
ac38f5e5c7cd15eff7cd595ad074394781ba633202d240ded82442ea32220d28992b6367fff5bc00823364fa08f895d31787be8b44ace446ee65ec9e5d079a24
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQGCZLFdGm1Sdr36OTcgapChIRG:E5aIwC+Agr6S/FEV/
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe family_kpot -
Trickbot x86 loader 1 IoCs
Detected Trickbot's x86 loader that unpacks the x86 payload.
Processes:
resource yara_rule behavioral1/memory/2940-15-0x00000000003A0000-0x00000000003C9000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exepid process 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe 824 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe 2052 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe -
Loads dropped DLL 2 IoCs
Processes:
33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exepid process 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.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 2756 sc.exe 2484 sc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exepowershell.exepid process 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 2744 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exedescription pid process Token: SeDebugPrivilege 2744 powershell.exe Token: SeTcbPrivilege 824 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe Token: SeTcbPrivilege 2052 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exepid process 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe 824 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe 2052 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
33e4cf784e8f6447d525872c2e3ecc10_NEIKI.execmd.execmd.execmd.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exetaskeng.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exedescription pid process target process PID 2940 wrote to memory of 2656 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2656 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2656 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2656 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2660 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2660 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2660 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2660 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2708 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2708 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2708 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2708 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe cmd.exe PID 2940 wrote to memory of 2284 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 2940 wrote to memory of 2284 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 2940 wrote to memory of 2284 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 2940 wrote to memory of 2284 2940 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 2656 wrote to memory of 2484 2656 cmd.exe sc.exe PID 2656 wrote to memory of 2484 2656 cmd.exe sc.exe PID 2656 wrote to memory of 2484 2656 cmd.exe sc.exe PID 2656 wrote to memory of 2484 2656 cmd.exe sc.exe PID 2660 wrote to memory of 2756 2660 cmd.exe sc.exe PID 2660 wrote to memory of 2756 2660 cmd.exe sc.exe PID 2660 wrote to memory of 2756 2660 cmd.exe sc.exe PID 2660 wrote to memory of 2756 2660 cmd.exe sc.exe PID 2708 wrote to memory of 2744 2708 cmd.exe powershell.exe PID 2708 wrote to memory of 2744 2708 cmd.exe powershell.exe PID 2708 wrote to memory of 2744 2708 cmd.exe powershell.exe PID 2708 wrote to memory of 2744 2708 cmd.exe powershell.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2284 wrote to memory of 2520 2284 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 2188 wrote to memory of 824 2188 taskeng.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 2188 wrote to memory of 824 2188 taskeng.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 2188 wrote to memory of 824 2188 taskeng.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 2188 wrote to memory of 824 2188 taskeng.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 824 wrote to memory of 2260 824 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 824 wrote to memory of 2260 824 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 824 wrote to memory of 2260 824 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 824 wrote to memory of 2260 824 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.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\33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2484 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:2756 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵
- Suspicious use of WriteProcessMemory
PID:2708 -
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:2744 -
C:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exeC:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2520
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C:\Windows\system32\taskeng.exetaskeng.exe {8185315D-DF9D-4EEA-BBBA-890EABF6BDF2} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exeC:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:824 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2260
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C:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exeC:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2052 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:948
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD533e4cf784e8f6447d525872c2e3ecc10
SHA11150a1c204e3ef62fc02979b8d78465d37620489
SHA256078c3a5f3d04bfd3a19b7bc69e629c1baa115d3226520c86d9e4b6f78c5b5782
SHA512ac38f5e5c7cd15eff7cd595ad074394781ba633202d240ded82442ea32220d28992b6367fff5bc00823364fa08f895d31787be8b44ace446ee65ec9e5d079a24