Analysis
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max time kernel
137s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
21/10/2023, 21:27
Behavioral task
behavioral1
Sample
NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe
Resource
win7-20231020-en
General
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Target
NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe
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Size
1016KB
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MD5
9fbcc05219f22a2f6d651bf6821c6f60
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SHA1
3b5dff4c7f4c238fcdd62cd5c30e76fb855c2579
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SHA256
92a01e740639aaa4dfb9d4c67357aa6b7595c4e1d8618c3a2aca94efe8097b4a
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SHA512
3d269246c97bf34c8ca06f6204b7127c580fea81d46fc9f63d7cbfd23a0c2e42f6fde499d2f7f4010d1408fb75e19a2b1992a240718f5bd8fde4aec9628c63c6
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQtpj/Yz6tGg1ZGUl:E5aIwC+Agr6St1tR3
Malware Config
Signatures
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KPOT Core Executable 7 IoCs
resource yara_rule behavioral1/files/0x0008000000015db8-21.dat family_kpot behavioral1/files/0x0008000000015db8-28.dat family_kpot behavioral1/files/0x0008000000015db8-26.dat family_kpot behavioral1/files/0x0008000000015db8-23.dat family_kpot behavioral1/files/0x0008000000015db8-70.dat family_kpot behavioral1/files/0x0008000000015db8-71.dat family_kpot behavioral1/files/0x0008000000015db8-104.dat family_kpot -
Trickbot x86 loader 10 IoCs
Detected Trickbot's x86 loader that unpacks the x86 payload.
resource yara_rule behavioral1/memory/2376-19-0x00000000003B0000-0x00000000003D9000-memory.dmp trickbot_loader32 behavioral1/memory/2376-15-0x00000000003B0000-0x00000000003D9000-memory.dmp trickbot_loader32 behavioral1/memory/2376-27-0x00000000003B0000-0x00000000003D9000-memory.dmp trickbot_loader32 behavioral1/memory/1964-48-0x0000000000280000-0x00000000002A9000-memory.dmp trickbot_loader32 behavioral1/memory/1964-63-0x0000000000280000-0x00000000002A9000-memory.dmp trickbot_loader32 behavioral1/memory/2592-66-0x00000000026C0000-0x0000000002700000-memory.dmp trickbot_loader32 behavioral1/memory/580-91-0x0000000000610000-0x0000000000639000-memory.dmp trickbot_loader32 behavioral1/memory/580-103-0x0000000000610000-0x0000000000639000-memory.dmp trickbot_loader32 behavioral1/memory/2148-124-0x00000000001E0000-0x0000000000209000-memory.dmp trickbot_loader32 behavioral1/memory/2148-136-0x00000000001E0000-0x0000000000209000-memory.dmp trickbot_loader32 -
Stops running service(s) 3 TTPs
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Executes dropped EXE 3 IoCs
pid Process 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 580 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 2148 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe -
Loads dropped DLL 2 IoCs
pid Process 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe -
Drops file in System32 directory 1 IoCs
description 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.
pid Process 1616 sc.exe 2712 sc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 2592 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2592 powershell.exe Token: SeTcbPrivilege 580 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe Token: SeTcbPrivilege 2148 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 580 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 2148 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2376 wrote to memory of 2760 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 28 PID 2376 wrote to memory of 2760 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 28 PID 2376 wrote to memory of 2760 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 28 PID 2376 wrote to memory of 2760 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 28 PID 2376 wrote to memory of 2648 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 29 PID 2376 wrote to memory of 2648 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 29 PID 2376 wrote to memory of 2648 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 29 PID 2376 wrote to memory of 2648 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 29 PID 2376 wrote to memory of 2744 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 31 PID 2376 wrote to memory of 2744 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 31 PID 2376 wrote to memory of 2744 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 31 PID 2376 wrote to memory of 2744 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 31 PID 2376 wrote to memory of 1964 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 34 PID 2376 wrote to memory of 1964 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 34 PID 2376 wrote to memory of 1964 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 34 PID 2376 wrote to memory of 1964 2376 NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 34 PID 2648 wrote to memory of 1616 2648 cmd.exe 35 PID 2648 wrote to memory of 1616 2648 cmd.exe 35 PID 2648 wrote to memory of 1616 2648 cmd.exe 35 PID 2648 wrote to memory of 1616 2648 cmd.exe 35 PID 2760 wrote to memory of 2712 2760 cmd.exe 37 PID 2760 wrote to memory of 2712 2760 cmd.exe 37 PID 2760 wrote to memory of 2712 2760 cmd.exe 37 PID 2760 wrote to memory of 2712 2760 cmd.exe 37 PID 2744 wrote to memory of 2592 2744 cmd.exe 36 PID 2744 wrote to memory of 2592 2744 cmd.exe 36 PID 2744 wrote to memory of 2592 2744 cmd.exe 36 PID 2744 wrote to memory of 2592 2744 cmd.exe 36 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1964 wrote to memory of 2520 1964 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 38 PID 1720 wrote to memory of 580 1720 taskeng.exe 42 PID 1720 wrote to memory of 580 1720 taskeng.exe 42 PID 1720 wrote to memory of 580 1720 taskeng.exe 42 PID 1720 wrote to memory of 580 1720 taskeng.exe 42 PID 580 wrote to memory of 756 580 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 43 PID 580 wrote to memory of 756 580 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 43 PID 580 wrote to memory of 756 580 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 43 PID 580 wrote to memory of 756 580 NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe 43 -
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\NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.9fbcc05219f22a2f6d651bf6821c6f60.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2712
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C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:1616
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C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵
- Suspicious use of WriteProcessMemory
PID:2744 -
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:2592
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C:\Users\Admin\AppData\Roaming\WinSocket\NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exeC:\Users\Admin\AppData\Roaming\WinSocket\NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2520
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C:\Windows\system32\taskeng.exetaskeng.exe {E4FCEB86-5BD8-4710-8CA2-A5A52CF88798} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Roaming\WinSocket\NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exeC:\Users\Admin\AppData\Roaming\WinSocket\NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:580 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:756
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C:\Users\Admin\AppData\Roaming\WinSocket\NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exeC:\Users\Admin\AppData\Roaming\WinSocket\NFAS.9fbcc05219f22a2f6d651bf6821c6f60.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2148 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2324
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1016KB
MD59fbcc05219f22a2f6d651bf6821c6f60
SHA13b5dff4c7f4c238fcdd62cd5c30e76fb855c2579
SHA25692a01e740639aaa4dfb9d4c67357aa6b7595c4e1d8618c3a2aca94efe8097b4a
SHA5123d269246c97bf34c8ca06f6204b7127c580fea81d46fc9f63d7cbfd23a0c2e42f6fde499d2f7f4010d1408fb75e19a2b1992a240718f5bd8fde4aec9628c63c6
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Filesize
1016KB
MD59fbcc05219f22a2f6d651bf6821c6f60
SHA13b5dff4c7f4c238fcdd62cd5c30e76fb855c2579
SHA25692a01e740639aaa4dfb9d4c67357aa6b7595c4e1d8618c3a2aca94efe8097b4a
SHA5123d269246c97bf34c8ca06f6204b7127c580fea81d46fc9f63d7cbfd23a0c2e42f6fde499d2f7f4010d1408fb75e19a2b1992a240718f5bd8fde4aec9628c63c6
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Filesize
1016KB
MD59fbcc05219f22a2f6d651bf6821c6f60
SHA13b5dff4c7f4c238fcdd62cd5c30e76fb855c2579
SHA25692a01e740639aaa4dfb9d4c67357aa6b7595c4e1d8618c3a2aca94efe8097b4a
SHA5123d269246c97bf34c8ca06f6204b7127c580fea81d46fc9f63d7cbfd23a0c2e42f6fde499d2f7f4010d1408fb75e19a2b1992a240718f5bd8fde4aec9628c63c6
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Filesize
1016KB
MD59fbcc05219f22a2f6d651bf6821c6f60
SHA13b5dff4c7f4c238fcdd62cd5c30e76fb855c2579
SHA25692a01e740639aaa4dfb9d4c67357aa6b7595c4e1d8618c3a2aca94efe8097b4a
SHA5123d269246c97bf34c8ca06f6204b7127c580fea81d46fc9f63d7cbfd23a0c2e42f6fde499d2f7f4010d1408fb75e19a2b1992a240718f5bd8fde4aec9628c63c6
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Filesize
1016KB
MD59fbcc05219f22a2f6d651bf6821c6f60
SHA13b5dff4c7f4c238fcdd62cd5c30e76fb855c2579
SHA25692a01e740639aaa4dfb9d4c67357aa6b7595c4e1d8618c3a2aca94efe8097b4a
SHA5123d269246c97bf34c8ca06f6204b7127c580fea81d46fc9f63d7cbfd23a0c2e42f6fde499d2f7f4010d1408fb75e19a2b1992a240718f5bd8fde4aec9628c63c6
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Filesize
1016KB
MD59fbcc05219f22a2f6d651bf6821c6f60
SHA13b5dff4c7f4c238fcdd62cd5c30e76fb855c2579
SHA25692a01e740639aaa4dfb9d4c67357aa6b7595c4e1d8618c3a2aca94efe8097b4a
SHA5123d269246c97bf34c8ca06f6204b7127c580fea81d46fc9f63d7cbfd23a0c2e42f6fde499d2f7f4010d1408fb75e19a2b1992a240718f5bd8fde4aec9628c63c6
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Filesize
1016KB
MD59fbcc05219f22a2f6d651bf6821c6f60
SHA13b5dff4c7f4c238fcdd62cd5c30e76fb855c2579
SHA25692a01e740639aaa4dfb9d4c67357aa6b7595c4e1d8618c3a2aca94efe8097b4a
SHA5123d269246c97bf34c8ca06f6204b7127c580fea81d46fc9f63d7cbfd23a0c2e42f6fde499d2f7f4010d1408fb75e19a2b1992a240718f5bd8fde4aec9628c63c6