Sample viewer

vx.netlux.org/Virus.DOS.CyberTech.664

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:04:15.450154334Z 48 PC: 12a98 | Get DOS version
2018-12-17T23:04:15.455833045Z 26 PC: 12aa6 | Set disk transfer address
2018-12-17T23:04:15.45723464Z 78 PC: 12ab0 | Find first file
2018-12-17T23:04:15.465032434Z 67 PC: 12abd | Get or set file attributes
2018-12-17T23:04:15.469212262Z 67 PC: 12ac5 | Get or set file attributes
2018-12-17T23:04:15.484399056Z 61 PC: 12aca | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:04:15.496257219Z 87 PC: 12ad0 | Get or set file date and time
2018-12-17T23:04:15.498021232Z 63 PC: 12add | Read file or device (Read 4 bytes on handle 5)
2018-12-17T23:04:15.509452265Z 66 PC: 12b03 | Move file pointer
2018-12-17T23:04:15.511351851Z 66 PC: 12ba2 | Move file pointer
2018-12-17T23:04:15.513268313Z 63 PC: 12bac | Read file or device (Read 52 bytes on handle 5)
2018-12-17T23:04:15.517189516Z 66 PC: 12b03 | Move file pointer
2018-12-17T23:04:15.519150803Z 44 PC: 12bf9 | Get time 0x12bf9: cmp dl, 0
0x12bfc: jne 0x12c00
0x12bfe: jmp 0x12bf5
0x12c00: mov byte ptr cs:[bp + 0x17], dl
0x12c04: lea si, word ptr [bp + 4]
0x12c07: mov di, 0xfb00
0x12c0a: mov cx, 0x17
0x12c0d: rep movsb byte ptr es:[di], byte ptr [si]
0x12c0f: lea si, word ptr [bp + 0x1b]
0x12c12: mov cx, 0x281
0x12c15: lodsb al, byte ptr [si]
0x12c16: xor al, dl
0x12c18: stosb byte ptr es:[di], al
0x12c19: loop 0x12c15
0x12c1b: mov ah, 0x40
0x12c1d: mov dx, 0xfb00
0x12c20: mov cx, 0x298
0x12c23: int 0x21
0x12c25: mov ax, 0x4200
0x12c28: call 0x22afd
2018-12-17T23:04:15.521993025Z 64 PC: 12c25 | Write file or device (Write 664 bytes on handle 5)
2018-12-17T23:04:15.531957132Z 66 PC: 12b03 | Move file pointer
2018-12-17T23:04:15.536031481Z 64 PC: 12c36 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T23:04:15.546208237Z 87 PC: 12c85 | Get or set file date and time
2018-12-17T23:04:15.549610482Z 62 PC: 12c89 | Close file
2018-12-17T23:04:15.558690508Z 67 PC: 12c92 | Get or set file attributes
2018-12-17T23:04:15.563664693Z 26 PC: 12c40 | Set disk transfer address