Sample viewer

vx.netlux.org/Virus.DOS.Barrotes.1463

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:06:32.214693862Z 238 PC: 132c3 | UNKNOWN!
2018-12-17T22:06:32.216117519Z 53 PC: 132d1 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:06:32.21758356Z 54 PC: 9f72c | Get free disk space
2018-12-17T22:06:32.264333975Z 53 PC: 9f74e | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:06:32.266119692Z 67 PC: 9f779 | Get or set file attributes
2018-12-17T22:06:32.279916488Z 67 PC: 9f785 | Get or set file attributes
2018-12-17T22:06:32.622352454Z 61 PC: 9f78f | Open file (Filename = '')
2018-12-17T22:06:32.629979617Z 87 PC: 9f79f | Get or set file date and time
2018-12-17T22:06:32.636664715Z 66 PC: 9fa18 | Move file pointer
2018-12-17T22:06:32.640793435Z 63 PC: 9fa09 | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:06:32.654622456Z 66 PC: 9f924 | Move file pointer
2018-12-17T22:06:32.664745699Z 63 PC: 9fa09 | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:06:32.671470826Z 66 PC: 9fa18 | Move file pointer
2018-12-17T22:06:32.67352495Z 63 PC: 9f960 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:06:32.67761613Z 66 PC: 9fa27 | Move file pointer
2018-12-17T22:06:32.679553364Z 64 PC: 9f983 | Write file or device (Write 1463 bytes on handle 5)
2018-12-17T22:06:32.689290746Z 66 PC: 9fa18 | Move file pointer
2018-12-17T22:06:32.692258001Z 64 PC: 9f9a9 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:06:32.695337604Z 87 PC: 9f9bd | Get or set file date and time
2018-12-17T22:06:32.697054431Z 62 PC: 9f9c1 | Close file
2018-12-17T22:06:32.705900796Z 67 PC: 9f9d5 | Get or set file attributes
2018-12-17T22:06:32.717892755Z 42 PC: 13383 | Get date 0x13383: cmp dl, 0x22
0x13386: jne 0x133a8
0x13388: xor ax, ax
0x1338a: mov es, ax
0x1338c: lea dx, word ptr [0x4ed]
0x13390: mov word ptr es:[0x70], dx
0x13395: mov word ptr es:[0x72], ds
0x1339a: mov dx, 0x80
0x1339d: mov cx, 1
0x133a0: mov ax, 0x301
0x133a3: mov bx, 0x100
0x133a6: int 0x13
0x133a8: cmp byte ptr cs:[si + 0x73], 1
0x133ad: je 0x133c1
0x133af: push cs
0x133b0: push cs
0x133b1: pop ds
0x133b2: pop es
0x133b3: add si, 4
0x133b6: mov di, 0x100