Analysis
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max time kernel
135s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
08-05-2024 03:10
Behavioral task
behavioral1
Sample
b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe
Resource
win7-20240220-en
General
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Target
b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe
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Size
1.1MB
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MD5
b5405e989aa2de26a5f40d60671e2fc0
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SHA1
586e458daf79bef6ae7ce85da6abf07f7c81622d
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SHA256
fb8001ca430aa77ad5855c489652b607ebd2f62447f2c381101d48d6d389b229
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SHA512
fd9a1aee373b645eb15d324247fdc1c8be45840b0967953c13a3fde56b5733e2192067bf2378190933912d2717c76a9407f4f866b3a6124f0295cca432a080a5
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQGCZLFdGm1StE10/ZcnDPc2:E5aIwC+Agr6S/FFC+Lc2
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\WinSocket\b6406e999aa2de27a6f40d70781e2fc0_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/2968-15-0x00000000003D0000-0x00000000003F9000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exeb6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exeb6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exepid process 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe 2044 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe 2592 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe -
Loads dropped DLL 2 IoCs
Processes:
b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exepid process 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe 2968 b5405e989aa2de26a5f40d60671e2fc0_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 2640 sc.exe 2720 sc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exepowershell.exepid process 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe 2508 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exeb6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exeb6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exedescription pid process Token: SeDebugPrivilege 2508 powershell.exe Token: SeTcbPrivilege 2044 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe Token: SeTcbPrivilege 2592 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exeb6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exeb6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exeb6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exepid process 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe 2044 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe 2592 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
b5405e989aa2de26a5f40d60671e2fc0_NEIKI.execmd.execmd.execmd.exeb6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exetaskeng.exeb6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exedescription pid process target process PID 2968 wrote to memory of 2448 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2448 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2448 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2448 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2868 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2868 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2868 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2868 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2532 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2532 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2532 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2532 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe cmd.exe PID 2968 wrote to memory of 2444 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe PID 2968 wrote to memory of 2444 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe PID 2968 wrote to memory of 2444 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe PID 2968 wrote to memory of 2444 2968 b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe PID 2868 wrote to memory of 2640 2868 cmd.exe sc.exe PID 2868 wrote to memory of 2640 2868 cmd.exe sc.exe PID 2868 wrote to memory of 2640 2868 cmd.exe sc.exe PID 2868 wrote to memory of 2640 2868 cmd.exe sc.exe PID 2448 wrote to memory of 2720 2448 cmd.exe sc.exe PID 2448 wrote to memory of 2720 2448 cmd.exe sc.exe PID 2448 wrote to memory of 2720 2448 cmd.exe sc.exe PID 2448 wrote to memory of 2720 2448 cmd.exe sc.exe PID 2532 wrote to memory of 2508 2532 cmd.exe powershell.exe PID 2532 wrote to memory of 2508 2532 cmd.exe powershell.exe PID 2532 wrote to memory of 2508 2532 cmd.exe powershell.exe PID 2532 wrote to memory of 2508 2532 cmd.exe powershell.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2444 wrote to memory of 2336 2444 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 1248 wrote to memory of 2044 1248 taskeng.exe b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe PID 1248 wrote to memory of 2044 1248 taskeng.exe b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe PID 1248 wrote to memory of 2044 1248 taskeng.exe b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe PID 1248 wrote to memory of 2044 1248 taskeng.exe b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe PID 2044 wrote to memory of 2436 2044 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2044 wrote to memory of 2436 2044 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2044 wrote to memory of 2436 2044 b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe svchost.exe PID 2044 wrote to memory of 2436 2044 b6406e999aa2de27a6f40d70781e2fc0_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\b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\b5405e989aa2de26a5f40d60671e2fc0_NEIKI.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2720 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:2640 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵
- Suspicious use of WriteProcessMemory
PID:2532 -
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:2508 -
C:\Users\Admin\AppData\Roaming\WinSocket\b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exeC:\Users\Admin\AppData\Roaming\WinSocket\b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2336
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C:\Windows\system32\taskeng.exetaskeng.exe {9F7C2C46-E478-4D64-8E89-80CA0E39B80A} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:1248 -
C:\Users\Admin\AppData\Roaming\WinSocket\b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exeC:\Users\Admin\AppData\Roaming\WinSocket\b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2436
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C:\Users\Admin\AppData\Roaming\WinSocket\b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exeC:\Users\Admin\AppData\Roaming\WinSocket\b6406e999aa2de27a6f40d70781e2fc0_NFJLJ.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2592 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1536
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD5b5405e989aa2de26a5f40d60671e2fc0
SHA1586e458daf79bef6ae7ce85da6abf07f7c81622d
SHA256fb8001ca430aa77ad5855c489652b607ebd2f62447f2c381101d48d6d389b229
SHA512fd9a1aee373b645eb15d324247fdc1c8be45840b0967953c13a3fde56b5733e2192067bf2378190933912d2717c76a9407f4f866b3a6124f0295cca432a080a5