Analysis
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max time kernel
135s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
06-05-2024 20:28
Behavioral task
behavioral1
Sample
0e15cbed89164419c433bffcef31bb20_NEAS.exe
Resource
win7-20231129-en
General
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Target
0e15cbed89164419c433bffcef31bb20_NEAS.exe
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Size
1.3MB
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MD5
0e15cbed89164419c433bffcef31bb20
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SHA1
fa76410f62d9c8d41bc46772e3c80105465a0007
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SHA256
e4055f4dc1d1a08c4b82b818b7ee2ca313aae5039356266a8d3ff4ba1182ea40
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SHA512
c4aad8bcbbf36322daa211942699ab25d60626e3276d3e3c10035ea4668a2420e80e55ddd557ccefa43c21d54d215cc21152864fe1c21fe5e94c9eb6b2495a2a
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SSDEEP
24576:zQ5aILMCfmAUjzX677WOMc7qzz1IojVD0UOSQkV:E5aIwC+Agr6twjVDdV
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\WinSocket\0e16cbed99174419c433bffcef31bb20_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/2896-15-0x0000000000330000-0x0000000000359000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
0e16cbed99174419c433bffcef31bb20_NFAS.exe0e16cbed99174419c433bffcef31bb20_NFAS.exe0e16cbed99174419c433bffcef31bb20_NFAS.exepid process 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe 1636 0e16cbed99174419c433bffcef31bb20_NFAS.exe 2000 0e16cbed99174419c433bffcef31bb20_NFAS.exe -
Loads dropped DLL 2 IoCs
Processes:
0e15cbed89164419c433bffcef31bb20_NEAS.exepid process 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe 2896 0e15cbed89164419c433bffcef31bb20_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 2608 sc.exe 2620 sc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
0e15cbed89164419c433bffcef31bb20_NEAS.exepowershell.exepid process 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe 2104 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exe0e16cbed99174419c433bffcef31bb20_NFAS.exe0e16cbed99174419c433bffcef31bb20_NFAS.exedescription pid process Token: SeDebugPrivilege 2104 powershell.exe Token: SeTcbPrivilege 1636 0e16cbed99174419c433bffcef31bb20_NFAS.exe Token: SeTcbPrivilege 2000 0e16cbed99174419c433bffcef31bb20_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
0e15cbed89164419c433bffcef31bb20_NEAS.exe0e16cbed99174419c433bffcef31bb20_NFAS.exe0e16cbed99174419c433bffcef31bb20_NFAS.exe0e16cbed99174419c433bffcef31bb20_NFAS.exepid process 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe 1636 0e16cbed99174419c433bffcef31bb20_NFAS.exe 2000 0e16cbed99174419c433bffcef31bb20_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
0e15cbed89164419c433bffcef31bb20_NEAS.execmd.execmd.execmd.exe0e16cbed99174419c433bffcef31bb20_NFAS.exetaskeng.exe0e16cbed99174419c433bffcef31bb20_NFAS.exedescription pid process target process PID 2896 wrote to memory of 2144 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2144 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2144 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2144 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2148 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2148 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2148 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2148 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2408 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2408 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2408 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2408 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe cmd.exe PID 2896 wrote to memory of 2704 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe 0e16cbed99174419c433bffcef31bb20_NFAS.exe PID 2896 wrote to memory of 2704 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe 0e16cbed99174419c433bffcef31bb20_NFAS.exe PID 2896 wrote to memory of 2704 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe 0e16cbed99174419c433bffcef31bb20_NFAS.exe PID 2896 wrote to memory of 2704 2896 0e15cbed89164419c433bffcef31bb20_NEAS.exe 0e16cbed99174419c433bffcef31bb20_NFAS.exe PID 2408 wrote to memory of 2104 2408 cmd.exe powershell.exe PID 2408 wrote to memory of 2104 2408 cmd.exe powershell.exe PID 2408 wrote to memory of 2104 2408 cmd.exe powershell.exe PID 2408 wrote to memory of 2104 2408 cmd.exe powershell.exe PID 2148 wrote to memory of 2608 2148 cmd.exe sc.exe PID 2148 wrote to memory of 2608 2148 cmd.exe sc.exe PID 2148 wrote to memory of 2608 2148 cmd.exe sc.exe PID 2148 wrote to memory of 2608 2148 cmd.exe sc.exe PID 2144 wrote to memory of 2620 2144 cmd.exe sc.exe PID 2144 wrote to memory of 2620 2144 cmd.exe sc.exe PID 2144 wrote to memory of 2620 2144 cmd.exe sc.exe PID 2144 wrote to memory of 2620 2144 cmd.exe sc.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 2704 wrote to memory of 2528 2704 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 320 wrote to memory of 1636 320 taskeng.exe 0e16cbed99174419c433bffcef31bb20_NFAS.exe PID 320 wrote to memory of 1636 320 taskeng.exe 0e16cbed99174419c433bffcef31bb20_NFAS.exe PID 320 wrote to memory of 1636 320 taskeng.exe 0e16cbed99174419c433bffcef31bb20_NFAS.exe PID 320 wrote to memory of 1636 320 taskeng.exe 0e16cbed99174419c433bffcef31bb20_NFAS.exe PID 1636 wrote to memory of 2276 1636 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 1636 wrote to memory of 2276 1636 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 1636 wrote to memory of 2276 1636 0e16cbed99174419c433bffcef31bb20_NFAS.exe svchost.exe PID 1636 wrote to memory of 2276 1636 0e16cbed99174419c433bffcef31bb20_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\0e15cbed89164419c433bffcef31bb20_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\0e15cbed89164419c433bffcef31bb20_NEAS.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2620 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:2608 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵
- Suspicious use of WriteProcessMemory
PID:2408 -
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:2104 -
C:\Users\Admin\AppData\Roaming\WinSocket\0e16cbed99174419c433bffcef31bb20_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\0e16cbed99174419c433bffcef31bb20_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2528
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C:\Windows\system32\taskeng.exetaskeng.exe {9D038F2E-F53D-4ABD-9D3F-5EE72D42A419} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Users\Admin\AppData\Roaming\WinSocket\0e16cbed99174419c433bffcef31bb20_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\0e16cbed99174419c433bffcef31bb20_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2276
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C:\Users\Admin\AppData\Roaming\WinSocket\0e16cbed99174419c433bffcef31bb20_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\0e16cbed99174419c433bffcef31bb20_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2000 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:972
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD50e15cbed89164419c433bffcef31bb20
SHA1fa76410f62d9c8d41bc46772e3c80105465a0007
SHA256e4055f4dc1d1a08c4b82b818b7ee2ca313aae5039356266a8d3ff4ba1182ea40
SHA512c4aad8bcbbf36322daa211942699ab25d60626e3276d3e3c10035ea4668a2420e80e55ddd557ccefa43c21d54d215cc21152864fe1c21fe5e94c9eb6b2495a2a