Sample viewer

vx.netlux.org/Virus.DOS.Override.1380

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:42:30.357671762Z 42 PC: 12e24 | Get date 0x12e24: ret
0x12e25: mov cx, 0x500
0x12e28: mov si, word ptr cs:[0x215]
0x12e2d: mov di, word ptr cs:[0x217]
0x12e32: cmp di, si
0x12e34: jbe 0x12e40
0x12e36: std
0x12e37: add si, cx
0x12e39: dec si
0x12e3a: add di, cx
0x12e3c: dec di
0x12e3d: jmp 0x12e41
0x12e3f: nop
0x12e40: cld
0x12e41: rep movsb byte ptr es:[di], byte ptr [si]
0x12e43: pop es
0x12e44: pop ds
0x12e45: pop di
0x12e46: pop si
0x12e47: pop dx
2018-12-17T22:42:30.361337858Z 42 PC: 12e24 | Get date 0x12e24: ret
0x12e25: mov cx, 0x500
0x12e28: mov si, word ptr cs:[0x215]
0x12e2d: mov di, word ptr cs:[0x217]
0x12e32: cmp di, si
0x12e34: jbe 0x12e40
0x12e36: std
0x12e37: add si, cx
0x12e39: dec si
0x12e3a: add di, cx
0x12e3c: dec di
0x12e3d: jmp 0x12e41
0x12e3f: nop
0x12e40: cld
0x12e41: rep movsb byte ptr es:[di], byte ptr [si]
0x12e43: pop es
0x12e44: pop ds
0x12e45: pop di
0x12e46: pop si
0x12e47: pop dx
2018-12-17T22:42:30.364582682Z 47 PC: 12c6f | Get disk transfer address
2018-12-17T22:42:30.366401889Z 26 PC: 12c80 | Set disk transfer address
2018-12-17T22:42:30.367923797Z 25 PC: 12c84 | Get default drive
2018-12-17T22:42:30.370306122Z 71 PC: 12c92 | Get current directory
2018-12-17T22:42:30.373578437Z 78 PC: 12cb9 | Find first file
2018-12-17T22:42:30.380345487Z 61 PC: 12cfe | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:42:30.388529127Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.395396505Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.397504014Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.402156201Z 61 PC: 12cfe | Open file (Filename = 'PRINT.COM')
2018-12-17T22:42:30.408993483Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.415429681Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.417893699Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.421548243Z 61 PC: 12cfe | Open file (Filename = 'HELLO.COM')
2018-12-17T22:42:30.428608694Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.43583706Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.438034137Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.441079035Z 61 PC: 12cfe | Open file (Filename = 'PHANG.COM')
2018-12-17T22:42:30.447908913Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.454964946Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.456675499Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.459812721Z 61 PC: 12cfe | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:42:30.466995702Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.474020235Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.475978002Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.47979441Z 61 PC: 12cfe | Open file (Filename = 'MANDEL.COM')
2018-12-17T22:42:30.48750385Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.494393791Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.498047002Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.501168455Z 61 PC: 12cfe | Open file (Filename = 'PAH.COM')
2018-12-17T22:42:30.508265344Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.518286686Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.520149074Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.52284651Z 59 PC: 12e09 | Change current directory
2018-12-17T22:42:30.527852432Z 78 PC: 12cb9 | Find first file
2018-12-17T22:42:30.535250297Z 61 PC: 12cfe | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:42:30.540387155Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.54297239Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.544488828Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.546639708Z 61 PC: 12cfe | Open file (Filename = 'PRINT.COM')
2018-12-17T22:42:30.556268934Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.561438603Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.562985849Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.56517987Z 61 PC: 12cfe | Open file (Filename = 'HELLO.COM')
2018-12-17T22:42:30.570651356Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.575469235Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.577072817Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.582512694Z 61 PC: 12cfe | Open file (Filename = 'PHANG.COM')
2018-12-17T22:42:30.58946903Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.596739284Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.599380595Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.602241739Z 61 PC: 12cfe | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:42:30.608976668Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.616342423Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.618335676Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.621156805Z 61 PC: 12cfe | Open file (Filename = 'MANDEL.COM')
2018-12-17T22:42:30.629263541Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.636465047Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.63851653Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.641355742Z 61 PC: 12cfe | Open file (Filename = 'PAH.COM')
2018-12-17T22:42:30.648711989Z 63 PC: 12d0a | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:42:30.655781066Z 62 PC: 12d0e | Close file
2018-12-17T22:42:30.65815813Z 79 PC: 12cc9 | Find next file
2018-12-17T22:42:30.661773671Z 14 PC: 12dc5 | Set default drive (Drive = 'A')
2018-12-17T22:42:30.663185202Z 59 PC: 12e09 | Change current directory
2018-12-17T22:42:30.667345786Z 59 PC: 12dd0 | Change current directory
2018-12-17T22:42:30.670253067Z 26 PC: 12dde | Set disk transfer address
2018-12-17T22:42:30.672461515Z 53 PC: 142ef | Get interrupt vector (Interrupt = '170' AKA 'UNKNOWN!')
2018-12-17T22:42:30.673808715Z 53 PC: 1431c | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:42:30.67637744Z 37 PC: 1433c | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:42:30.677730812Z 37 PC: 14341 | Set interrupt vector (Interrupt = '170' AKA 'UNKNOWN!')
2018-12-17T22:42:30.679363167Z 37 PC: 13f73 | Set interrupt vector (Interrupt = '3' AKA 'Auxiliary input')
2018-12-17T22:42:30.681736645Z 26 PC: 13f7e | Set disk transfer address
2018-12-17T22:42:30.683141143Z 78 PC: 13fc5 | Find first file
2018-12-17T22:42:30.689031255Z 54 PC: 14027 | Get free disk space
2018-12-17T22:42:30.732343785Z 61 PC: 14095 | Open file (Filename = 'C:\COMMAND.COM')
2018-12-17T22:42:30.741568551Z 63 PC: 140a9 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:42:30.747325042Z 66 PC: 140c2 | Move file pointer
2018-12-17T22:42:30.749718347Z 64 PC: 140e6 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:42:30.752583158Z 66 PC: 140f3 | Move file pointer
2018-12-17T22:42:30.754619573Z 64 PC: 143ac | Write file or device (Write 1512 bytes on handle 5)
2018-12-17T22:42:31.098674561Z 87 PC: 143be | Get or set file date and time
2018-12-17T22:42:31.100618903Z 67 PC: 143cf | Get or set file attributes
2018-12-17T22:42:31.111675289Z 62 PC: 143d7 | Close file
2018-12-17T22:42:31.118535664Z 98 PC: 143db | Get current PSP
2018-12-17T22:42:31.119950481Z 26 PC: 143e6 | Set disk transfer address
2018-12-17T22:42:31.121551428Z 9 PC: 12a85 | Display string (String= 'Sophos Ltd, Oxford sacrificial COM goat 1400H bytes long ')
2018-12-17T22:42:31.127540096Z 0 PC: 12a89 | Program terminate