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Analysis
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max time kernel
140s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
10/01/2024, 21:46
Static task
static1
Behavioral task
behavioral1
Sample
51b403a697ce08a116160705495eeb24.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
51b403a697ce08a116160705495eeb24.exe
Resource
win10v2004-20231222-en
General
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Target
51b403a697ce08a116160705495eeb24.exe
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Size
329KB
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MD5
51b403a697ce08a116160705495eeb24
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SHA1
7aaf9daedd0b15ef209a747bf1a21608ab0411d2
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SHA256
4770469236c17651d1842cc36004bc13ff8aa6fd658cdd6ebc0aa45de15a94bc
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SHA512
b3f9a34ceedd9f712749a5169004069295b13afaabadefbf6ae137aa3bed04fa4ae2c32d1a8f2b00715c42f641cd39649002e599e6595a9ed242069ae356b0c7
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SSDEEP
6144:Ph3Cy0seF78sWog3r3HHuEZ20BuMpZd9nVW5GJZ2tNYLj8MfsICENSDp+M:pwpF7gbXuEZ2DMpRVzYKj86sIvNS
Malware Config
Signatures
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 51b403a697ce08a116160705495eeb24.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key 51b403a697ce08a116160705495eeb24.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ 51b403a697ce08a116160705495eeb24.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" 51b403a697ce08a116160705495eeb24.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1988 51b403a697ce08a116160705495eeb24.exe -
Suspicious behavior: MapViewOfSection 21 IoCs
pid Process 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe 1988 51b403a697ce08a116160705495eeb24.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1988 51b403a697ce08a116160705495eeb24.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1988 51b403a697ce08a116160705495eeb24.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1988 wrote to memory of 372 1988 51b403a697ce08a116160705495eeb24.exe 24 PID 1988 wrote to memory of 372 1988 51b403a697ce08a116160705495eeb24.exe 24 PID 1988 wrote to memory of 372 1988 51b403a697ce08a116160705495eeb24.exe 24 PID 1988 wrote to memory of 372 1988 51b403a697ce08a116160705495eeb24.exe 24 PID 1988 wrote to memory of 372 1988 51b403a697ce08a116160705495eeb24.exe 24 PID 1988 wrote to memory of 372 1988 51b403a697ce08a116160705495eeb24.exe 24 PID 1988 wrote to memory of 372 1988 51b403a697ce08a116160705495eeb24.exe 24 PID 1988 wrote to memory of 388 1988 51b403a697ce08a116160705495eeb24.exe 23 PID 1988 wrote to memory of 388 1988 51b403a697ce08a116160705495eeb24.exe 23 PID 1988 wrote to memory of 388 1988 51b403a697ce08a116160705495eeb24.exe 23 PID 1988 wrote to memory of 388 1988 51b403a697ce08a116160705495eeb24.exe 23 PID 1988 wrote to memory of 388 1988 51b403a697ce08a116160705495eeb24.exe 23 PID 1988 wrote to memory of 388 1988 51b403a697ce08a116160705495eeb24.exe 23 PID 1988 wrote to memory of 388 1988 51b403a697ce08a116160705495eeb24.exe 23 PID 1988 wrote to memory of 424 1988 51b403a697ce08a116160705495eeb24.exe 22 PID 1988 wrote to memory of 424 1988 51b403a697ce08a116160705495eeb24.exe 22 PID 1988 wrote to memory of 424 1988 51b403a697ce08a116160705495eeb24.exe 22 PID 1988 wrote to memory of 424 1988 51b403a697ce08a116160705495eeb24.exe 22 PID 1988 wrote to memory of 424 1988 51b403a697ce08a116160705495eeb24.exe 22 PID 1988 wrote to memory of 424 1988 51b403a697ce08a116160705495eeb24.exe 22 PID 1988 wrote to memory of 424 1988 51b403a697ce08a116160705495eeb24.exe 22 PID 1988 wrote to memory of 468 1988 51b403a697ce08a116160705495eeb24.exe 21 PID 1988 wrote to memory of 468 1988 51b403a697ce08a116160705495eeb24.exe 21 PID 1988 wrote to memory of 468 1988 51b403a697ce08a116160705495eeb24.exe 21 PID 1988 wrote to memory of 468 1988 51b403a697ce08a116160705495eeb24.exe 21 PID 1988 wrote to memory of 468 1988 51b403a697ce08a116160705495eeb24.exe 21 PID 1988 wrote to memory of 468 1988 51b403a697ce08a116160705495eeb24.exe 21 PID 1988 wrote to memory of 468 1988 51b403a697ce08a116160705495eeb24.exe 21 PID 1988 wrote to memory of 484 1988 51b403a697ce08a116160705495eeb24.exe 1 PID 1988 wrote to memory of 484 1988 51b403a697ce08a116160705495eeb24.exe 1 PID 1988 wrote to memory of 484 1988 51b403a697ce08a116160705495eeb24.exe 1 PID 1988 wrote to memory of 484 1988 51b403a697ce08a116160705495eeb24.exe 1 PID 1988 wrote to memory of 484 1988 51b403a697ce08a116160705495eeb24.exe 1 PID 1988 wrote to memory of 484 1988 51b403a697ce08a116160705495eeb24.exe 1 PID 1988 wrote to memory of 484 1988 51b403a697ce08a116160705495eeb24.exe 1 PID 1988 wrote to memory of 492 1988 51b403a697ce08a116160705495eeb24.exe 20 PID 1988 wrote to memory of 492 1988 51b403a697ce08a116160705495eeb24.exe 20 PID 1988 wrote to memory of 492 1988 51b403a697ce08a116160705495eeb24.exe 20 PID 1988 wrote to memory of 492 1988 51b403a697ce08a116160705495eeb24.exe 20 PID 1988 wrote to memory of 492 1988 51b403a697ce08a116160705495eeb24.exe 20 PID 1988 wrote to memory of 492 1988 51b403a697ce08a116160705495eeb24.exe 20 PID 1988 wrote to memory of 492 1988 51b403a697ce08a116160705495eeb24.exe 20 PID 1988 wrote to memory of 604 1988 51b403a697ce08a116160705495eeb24.exe 19 PID 1988 wrote to memory of 604 1988 51b403a697ce08a116160705495eeb24.exe 19 PID 1988 wrote to memory of 604 1988 51b403a697ce08a116160705495eeb24.exe 19 PID 1988 wrote to memory of 604 1988 51b403a697ce08a116160705495eeb24.exe 19 PID 1988 wrote to memory of 604 1988 51b403a697ce08a116160705495eeb24.exe 19 PID 1988 wrote to memory of 604 1988 51b403a697ce08a116160705495eeb24.exe 19 PID 1988 wrote to memory of 604 1988 51b403a697ce08a116160705495eeb24.exe 19 PID 1988 wrote to memory of 680 1988 51b403a697ce08a116160705495eeb24.exe 18 PID 1988 wrote to memory of 680 1988 51b403a697ce08a116160705495eeb24.exe 18 PID 1988 wrote to memory of 680 1988 51b403a697ce08a116160705495eeb24.exe 18 PID 1988 wrote to memory of 680 1988 51b403a697ce08a116160705495eeb24.exe 18 PID 1988 wrote to memory of 680 1988 51b403a697ce08a116160705495eeb24.exe 18 PID 1988 wrote to memory of 680 1988 51b403a697ce08a116160705495eeb24.exe 18 PID 1988 wrote to memory of 680 1988 51b403a697ce08a116160705495eeb24.exe 18 PID 1988 wrote to memory of 740 1988 51b403a697ce08a116160705495eeb24.exe 17 PID 1988 wrote to memory of 740 1988 51b403a697ce08a116160705495eeb24.exe 17 PID 1988 wrote to memory of 740 1988 51b403a697ce08a116160705495eeb24.exe 17 PID 1988 wrote to memory of 740 1988 51b403a697ce08a116160705495eeb24.exe 17 PID 1988 wrote to memory of 740 1988 51b403a697ce08a116160705495eeb24.exe 17 PID 1988 wrote to memory of 740 1988 51b403a697ce08a116160705495eeb24.exe 17 PID 1988 wrote to memory of 740 1988 51b403a697ce08a116160705495eeb24.exe 17 PID 1988 wrote to memory of 804 1988 51b403a697ce08a116160705495eeb24.exe 16
Processes
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:484
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService1⤵PID:992
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C:\Windows\system32\sppsvc.exeC:\Windows\system32\sppsvc.exe1⤵PID:2472
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation1⤵PID:2148
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:2520
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1404
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C:\Users\Admin\AppData\Local\Temp\51b403a697ce08a116160705495eeb24.exe"C:\Users\Admin\AppData\Local\Temp\51b403a697ce08a116160705495eeb24.exe"2⤵
- Writes to the Master Boot Record (MBR)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1340
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1256
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork1⤵PID:620
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:108
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService1⤵PID:300
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs1⤵PID:832
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted1⤵PID:804
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted1⤵PID:740
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k RPCSS1⤵PID:680
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch1⤵PID:604
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C:\Windows\system32\lsm.exeC:\Windows\system32\lsm.exe1⤵PID:492
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C:\Windows\system32\services.exeC:\Windows\system32\services.exe1⤵PID:468
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:424
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵PID:388
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C:\Windows\system32\wininit.exewininit.exe1⤵PID:372