Sample viewer

vx.netlux.org/Virus.DOS.Sylvia.a

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:46:55.730793067Z 53 PC: 12c80 | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:46:55.739532887Z 37 PC: 12c93 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:46:55.741573632Z 74 PC: 12c9a | Reallocate memory
2018-12-17T22:46:55.743467891Z 72 PC: 12caa | Allocate memory
2018-12-17T22:46:55.745764215Z 25 PC: 12cca | Get default drive
2018-12-17T22:46:55.747165909Z 14 PC: 12cd3 | Set default drive (Drive = 'C')
2018-12-17T22:46:55.748563364Z 26 PC: 12cdb | Set disk transfer address
2018-12-17T22:46:55.749852146Z 78 PC: 12cfa | Find first file
2018-12-17T22:46:55.759761784Z 79 PC: 12f01 | Find next file
2018-12-17T22:46:55.762683593Z 14 PC: 12f1c | Set default drive (Drive = 'A')
2018-12-17T22:46:55.764310139Z 78 PC: 12cfa | Find first file
2018-12-17T22:46:55.774754642Z 61 PC: 12d65 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:46:55.782337309Z 66 PC: 12d7c | Move file pointer
2018-12-17T22:46:55.784521002Z 63 PC: 12d90 | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:46:55.792879946Z 67 PC: 12df9 | Get or set file attributes
2018-12-17T22:46:55.816461041Z 67 PC: 12e03 | Get or set file attributes
2018-12-17T22:46:55.823060119Z 60 PC: 12e0e | Create or truncate file
2018-12-17T22:46:55.835139033Z 64 PC: 12e26 | Write file or device (Write 1301 bytes on handle 6)
2018-12-17T22:46:55.844554894Z 66 PC: 12e54 | Move file pointer
2018-12-17T22:46:55.846258665Z 63 PC: 12e6f | Read file or device (Read 407 bytes on handle 5)
2018-12-17T22:46:55.858973413Z 64 PC: 12e86 | Write file or device (Write 407 bytes on handle 6)
2018-12-17T22:46:55.868304204Z 64 PC: 12e9d | Write file or device (Write 31 bytes on handle 6)
2018-12-17T22:46:55.871175608Z 87 PC: 12ebf | Get or set file date and time
2018-12-17T22:46:55.872757611Z 62 PC: 12ec7 | Close file
2018-12-17T22:46:55.875545318Z 62 PC: 12ecf | Close file
2018-12-17T22:46:55.884586596Z 65 PC: 12ed6 | Delete file (Filename = 'SLEEP.COM')
2018-12-17T22:46:55.92778169Z 86 PC: 12ee8 | Rename file
2018-12-17T22:46:55.940679943Z 67 PC: 12efd | Get or set file attributes
2018-12-17T22:46:55.949098169Z 79 PC: 12f01 | Find next file
2018-12-17T22:46:55.951789256Z 61 PC: 12d65 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:46:55.95960494Z 66 PC: 12d7c | Move file pointer
2018-12-17T22:46:55.961291749Z 63 PC: 12d90 | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:46:55.969042141Z 67 PC: 12df9 | Get or set file attributes
2018-12-17T22:46:55.983695832Z 67 PC: 12e03 | Get or set file attributes
2018-12-17T22:46:55.998036706Z 60 PC: 12e0e | Create or truncate file
2018-12-17T22:46:56.00987109Z 64 PC: 12e26 | Write file or device (Write 1301 bytes on handle 6)
2018-12-17T22:46:56.025739855Z 66 PC: 12e54 | Move file pointer
2018-12-17T22:46:56.027646647Z 63 PC: 12e6f | Read file or device (Read 27 bytes on handle 5)
2018-12-17T22:46:56.034556489Z 64 PC: 12e86 | Write file or device (Write 27 bytes on handle 6)
2018-12-17T22:46:56.038891173Z 64 PC: 12e9d | Write file or device (Write 31 bytes on handle 6)
2018-12-17T22:46:56.042154404Z 87 PC: 12ebf | Get or set file date and time
2018-12-17T22:46:56.044048433Z 62 PC: 12ec7 | Close file
2018-12-17T22:46:56.046925268Z 62 PC: 12ecf | Close file
2018-12-17T22:46:56.05575658Z 65 PC: 12ed6 | Delete file (Filename = 'PRINT.COM')
2018-12-17T22:46:56.068501606Z 86 PC: 12ee8 | Rename file
2018-12-17T22:46:56.080794371Z 67 PC: 12efd | Get or set file attributes
2018-12-17T22:46:56.092590243Z 79 PC: 12f01 | Find next file
2018-12-17T22:46:56.095956588Z 61 PC: 12d65 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:46:56.10336632Z 66 PC: 12d7c | Move file pointer
2018-12-17T22:46:56.106259175Z 63 PC: 12d90 | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:46:56.113382097Z 67 PC: 12df9 | Get or set file attributes
2018-12-17T22:46:56.358977472Z 67 PC: 12e03 | Get or set file attributes
2018-12-17T22:46:56.36978625Z 60 PC: 12e0e | Create or truncate file
2018-12-17T22:46:56.444858035Z 64 PC: 12e26 | Write file or device (Write 1301 bytes on handle 6)
2018-12-17T22:46:56.454128042Z 66 PC: 12e54 | Move file pointer
2018-12-17T22:46:56.456794972Z 63 PC: 12e6f | Read file or device (Read 92 bytes on handle 5)
2018-12-17T22:46:56.464506671Z 64 PC: 12e86 | Write file or device (Write 92 bytes on handle 6)
2018-12-17T22:46:56.46749755Z 64 PC: 12e9d | Write file or device (Write 31 bytes on handle 6)
2018-12-17T22:46:56.471482878Z 87 PC: 12ebf | Get or set file date and time
2018-12-17T22:46:56.47385269Z 62 PC: 12ec7 | Close file
2018-12-17T22:46:56.475922178Z 62 PC: 12ecf | Close file
2018-12-17T22:46:56.485675963Z 65 PC: 12ed6 | Delete file (Filename = 'HELLO.COM')
2018-12-17T22:46:56.497788882Z 86 PC: 12ee8 | Rename file
2018-12-17T22:46:56.509867134Z 67 PC: 12efd | Get or set file attributes
2018-12-17T22:46:56.520332486Z 79 PC: 12f01 | Find next file
2018-12-17T22:46:56.524252742Z 61 PC: 12d65 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:46:56.53190508Z 66 PC: 12d7c | Move file pointer
2018-12-17T22:46:56.533376394Z 63 PC: 12d90 | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:46:56.541128979Z 67 PC: 12df9 | Get or set file attributes
2018-12-17T22:46:56.555020639Z 67 PC: 12e03 | Get or set file attributes
2018-12-17T22:46:56.564762411Z 60 PC: 12e0e | Create or truncate file
2018-12-17T22:46:56.577209568Z 64 PC: 12e26 | Write file or device (Write 1301 bytes on handle 6)
2018-12-17T22:46:56.586194348Z 66 PC: 12e54 | Move file pointer
2018-12-17T22:46:56.587937152Z 63 PC: 12e6f | Read file or device (Read 29 bytes on handle 5)
2018-12-17T22:46:56.596594147Z 64 PC: 12e86 | Write file or device (Write 29 bytes on handle 6)
2018-12-17T22:46:56.599871064Z 64 PC: 12e9d | Write file or device (Write 31 bytes on handle 6)
2018-12-17T22:46:56.603009019Z 87 PC: 12ebf | Get or set file date and time
2018-12-17T22:46:56.605531368Z 62 PC: 12ec7 | Close file
2018-12-17T22:46:56.607958328Z 62 PC: 12ecf | Close file
2018-12-17T22:46:56.617476962Z 65 PC: 12ed6 | Delete file (Filename = 'PHANG.COM')
2018-12-17T22:46:56.630471065Z 86 PC: 12ee8 | Rename file
2018-12-17T22:46:56.642938028Z 67 PC: 12efd | Get or set file attributes
2018-12-17T22:46:56.654011734Z 79 PC: 12f01 | Find next file
2018-12-17T22:46:56.65773541Z 61 PC: 12d65 | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:46:56.670884534Z 66 PC: 12d7c | Move file pointer
2018-12-17T22:46:56.672688834Z 63 PC: 12d90 | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:46:56.680740631Z 62 PC: 12db9 | Close file
2018-12-17T22:46:56.683827772Z 73 PC: 12f28 | Release memory
2018-12-17T22:46:56.686669401Z 74 PC: 12f33 | Reallocate memory
2018-12-17T22:46:56.689242225Z 74 PC: 12f39 | Reallocate memory
2018-12-17T22:46:56.692464238Z 37 PC: 12f4a | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:46:56.696364977Z 9 PC: 12a67 | Display string (String= 'This is a tiny COM program. ')