Analysis
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max time kernel
135s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
05-05-2024 03:34
Behavioral task
behavioral1
Sample
b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe
Resource
win7-20240220-en
General
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Target
b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe
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Size
1.3MB
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MD5
39bc32190952310708a7fe023e985ec5
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SHA1
347066cc8105f3c1a602962a931ced30e7a80694
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SHA256
b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf
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SHA512
9295d725e06acb21e9445d61ee71404b0e8059862604dc819df1405e53567243cd0f3c67f47f809f9cbdebec0e03ddb7b19e8a24eca3c54773ec394c393771ea
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SSDEEP
24576:zQ5aILMCfmAUjzX6gfU1pjwjbsXhmvZssrD+nRgnf4NvlOSMOR:E5aIwC+Agr6g81p1vsrNiv
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe family_kpot -
Trickbot x86 loader 1 IoCs
Detected Trickbot's x86 loader that unpacks the x86 payload.
Processes:
resource yara_rule behavioral1/memory/2784-15-0x0000000000310000-0x0000000000339000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exeb99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exeb99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exepid process 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe 876 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe 2044 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe -
Loads dropped DLL 2 IoCs
Processes:
b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exepid process 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.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 2580 sc.exe 2584 sc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exepowershell.exepid process 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe 2336 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exeb99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exeb99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exedescription pid process Token: SeDebugPrivilege 2336 powershell.exe Token: SeTcbPrivilege 876 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe Token: SeTcbPrivilege 2044 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exeb99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exeb99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exeb99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exepid process 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe 876 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe 2044 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.execmd.execmd.execmd.exeb99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exetaskeng.exeb99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exedescription pid process target process PID 2784 wrote to memory of 2920 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2920 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2920 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2920 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2524 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2524 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2524 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2524 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2540 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2540 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2540 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2540 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe cmd.exe PID 2784 wrote to memory of 2640 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe PID 2784 wrote to memory of 2640 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe PID 2784 wrote to memory of 2640 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe PID 2784 wrote to memory of 2640 2784 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe PID 2920 wrote to memory of 2584 2920 cmd.exe sc.exe PID 2920 wrote to memory of 2584 2920 cmd.exe sc.exe PID 2920 wrote to memory of 2584 2920 cmd.exe sc.exe PID 2920 wrote to memory of 2584 2920 cmd.exe sc.exe PID 2524 wrote to memory of 2580 2524 cmd.exe sc.exe PID 2524 wrote to memory of 2580 2524 cmd.exe sc.exe PID 2524 wrote to memory of 2580 2524 cmd.exe sc.exe PID 2524 wrote to memory of 2580 2524 cmd.exe sc.exe PID 2540 wrote to memory of 2336 2540 cmd.exe powershell.exe PID 2540 wrote to memory of 2336 2540 cmd.exe powershell.exe PID 2540 wrote to memory of 2336 2540 cmd.exe powershell.exe PID 2540 wrote to memory of 2336 2540 cmd.exe powershell.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 2640 wrote to memory of 1868 2640 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 1656 wrote to memory of 876 1656 taskeng.exe b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe PID 1656 wrote to memory of 876 1656 taskeng.exe b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe PID 1656 wrote to memory of 876 1656 taskeng.exe b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe PID 1656 wrote to memory of 876 1656 taskeng.exe b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe PID 876 wrote to memory of 3036 876 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 876 wrote to memory of 3036 876 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 876 wrote to memory of 3036 876 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe svchost.exe PID 876 wrote to memory of 3036 876 b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.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\b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe"C:\Users\Admin\AppData\Local\Temp\b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\SysWOW64\cmd.exe/c sc stop WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\sc.exesc stop WinDefend3⤵
- Launches sc.exe
PID:2584 -
C:\Windows\SysWOW64\cmd.exe/c sc delete WinDefend2⤵
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\SysWOW64\sc.exesc delete WinDefend3⤵
- Launches sc.exe
PID:2580 -
C:\Windows\SysWOW64\cmd.exe/c powershell Set-MpPreference -DisableRealtimeMonitoring $true2⤵
- Suspicious use of WriteProcessMemory
PID:2540 -
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:2336 -
C:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exeC:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1868
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C:\Windows\system32\taskeng.exetaskeng.exe {E990C7F7-A8B3-49A4-959D-8359DE37F7A4} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exeC:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:3036
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C:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exeC:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2044 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1680
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
Filesize1.3MB
MD539bc32190952310708a7fe023e985ec5
SHA1347066cc8105f3c1a602962a931ced30e7a80694
SHA256b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf
SHA5129295d725e06acb21e9445d61ee71404b0e8059862604dc819df1405e53567243cd0f3c67f47f809f9cbdebec0e03ddb7b19e8a24eca3c54773ec394c393771ea