Sample viewer

vx.netlux.org/Virus.DOS.Maca.1000

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:44:50.103431599Z 255 PC: 1317f | UNKNOWN!
2018-12-17T22:44:50.105798244Z 42 PC: 131d1 | Get date 0x131d1: test dx, 0x133
0x131d5: jne 0x131e1
0x131d7: mov ax, 0x3e7
0x131da: mov word ptr [0x70], ax
0x131dd: mov word ptr [0x72], es
0x131e1: push es
0x131e2: pop ds
0x131e3: mov di, 0x2b9
0x131e6: mov byte ptr [di], 0xcf
0x131e9: mov dx, 0x107
0x131ec: mov ax, 0x4b00
0x131ef: int 0x21
0x131f1: mov byte ptr [di], 0x90
0x131f4: pop es
0x131f5: pop ds
0x131f6: clc
0x131f7: jb 0x13200
0x131f9: mov di, 0x100
0x131fc: push di
0x131fd: movsw word ptr es:[di], word ptr [si]
2018-12-17T22:44:50.108744287Z 54 PC: 9f81f | Get free disk space
2018-12-17T22:44:50.15171892Z 67 PC: 9f852 | Get or set file attributes
2018-12-17T22:44:50.161799604Z 67 PC: 9f85e | Get or set file attributes
2018-12-17T22:44:50.508098054Z 61 PC: 9f863 | Open file (Filename = 'c:\command.com')
2018-12-17T22:44:50.515463387Z 87 PC: 9f874 | Get or set file date and time
2018-12-17T22:44:50.517516063Z 66 PC: 9f887 | Move file pointer
2018-12-17T22:44:50.520795662Z 63 PC: 9f893 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:44:50.528220177Z 66 PC: 9f9b4 | Move file pointer
2018-12-17T22:44:50.529938254Z 63 PC: 9f8b4 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:44:50.539149233Z 66 PC: 9f9b4 | Move file pointer
2018-12-17T22:44:50.5410486Z 66 PC: 9f9b4 | Move file pointer
2018-12-17T22:44:50.54282662Z 64 PC: 9f94f | Write file or device (Write 24 bytes on handle 5)
2018-12-17T22:44:50.546656162Z 66 PC: 9f9b4 | Move file pointer
2018-12-17T22:44:50.548568314Z 64 PC: 9f960 | Write file or device (Write 1000 bytes on handle 5)
2018-12-17T22:44:50.558875582Z 87 PC: 9f971 | Get or set file date and time
2018-12-17T22:44:50.56103066Z 62 PC: 9f975 | Close file
2018-12-17T22:44:50.569831519Z 67 PC: 9f983 | Get or set file attributes
2018-12-17T22:44:50.579596128Z 76 PC: 12a48 | Terminate with return code (Return code = '76')