Sample viewer

vx.netlux.org/Virus.DOS.Leprosy.625

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:50:33.392066987Z 44 PC: 12b6a | Get time 0x12b6a: cmp byte ptr [0x108], 0
0x12b6f: nop
0x12b70: je 0x12b78
0x12b72: cmp dh, 0xf
0x12b75: nop
0x12b76: jg 0x12b82
0x12b78: cmp dl, 0
0x12b7b: nop
0x12b7c: je 0x12b65
0x12b7e: mov byte ptr [0x108], dl
0x12b82: mov byte ptr [0x21a], 0
0x12b87: mov byte ptr [0x21b], 4
0x12b8c: mov byte ptr [0x224], 0
0x12b91: mov cx, 0x27
0x12b94: mov dx, 0x13f
0x12b97: mov ah, 0x4e
0x12b99: int 0x21
0x12b9b: cmp ax, 0x12
0x12b9e: je 0x12ba3
0x12ba0: call 0x12bc5
2018-12-17T22:50:33.395051456Z 78 PC: 12b9b | Find first file
2018-12-17T22:50:33.402286636Z 78 PC: 12bad | Find first file
2018-12-17T22:50:33.410273595Z 67 PC: 12be6 | Get or set file attributes
2018-12-17T22:50:33.428712507Z 61 PC: 12bec | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:50:33.43702792Z 63 PC: 12bfb | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:50:33.441458969Z 62 PC: 12c2f | Close file
2018-12-17T22:50:33.443146785Z 61 PC: 12c38 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:50:33.448477765Z 64 PC: 12a63 | Write file or device (Write 625 bytes on handle 5)
2018-12-17T22:50:33.454040089Z 87 PC: 12c60 | Get or set file date and time
2018-12-17T22:50:33.455248104Z 62 PC: 12c68 | Close file
2018-12-17T22:50:33.461019104Z 67 PC: 12c75 | Get or set file attributes
2018-12-17T22:50:33.464282951Z 79 PC: 12c1f | Find next file
2018-12-17T22:50:33.466246159Z 67 PC: 12be6 | Get or set file attributes
2018-12-17T22:50:33.48029843Z 61 PC: 12bec | Open file (Filename = 'PRINT.COM')
2018-12-17T22:50:33.487759611Z 63 PC: 12bfb | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:50:33.495071591Z 62 PC: 12c2f | Close file
2018-12-17T22:50:33.497725403Z 61 PC: 12c38 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:50:33.502397508Z 64 PC: 12a63 | Write file or device (Write 625 bytes on handle 5)
2018-12-17T22:50:33.52246728Z 87 PC: 12c60 | Get or set file date and time
2018-12-17T22:50:33.524430327Z 62 PC: 12c68 | Close file
2018-12-17T22:50:33.533817294Z 67 PC: 12c75 | Get or set file attributes
2018-12-17T22:50:33.539382172Z 79 PC: 12c1f | Find next file
2018-12-17T22:50:33.543193558Z 67 PC: 12be6 | Get or set file attributes
2018-12-17T22:50:33.556044286Z 61 PC: 12bec | Open file (Filename = 'HELLO.COM')
2018-12-17T22:50:33.563624575Z 63 PC: 12bfb | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:50:33.570897199Z 62 PC: 12c2f | Close file
2018-12-17T22:50:33.57277178Z 61 PC: 12c38 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:50:33.577408893Z 64 PC: 12a63 | Write file or device (Write 625 bytes on handle 5)
2018-12-17T22:50:33.582852258Z 87 PC: 12c60 | Get or set file date and time
2018-12-17T22:50:33.58506969Z 62 PC: 12c68 | Close file
2018-12-17T22:50:33.593662477Z 67 PC: 12c75 | Get or set file attributes
2018-12-17T22:50:33.599056307Z 79 PC: 12c1f | Find next file
2018-12-17T22:50:33.604451006Z 67 PC: 12be6 | Get or set file attributes
2018-12-17T22:50:33.616141917Z 61 PC: 12bec | Open file (Filename = 'PHANG.COM')
2018-12-17T22:50:33.623726346Z 63 PC: 12bfb | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:50:33.631675472Z 62 PC: 12c2f | Close file
2018-12-17T22:50:33.633604533Z 61 PC: 12c38 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:50:33.641260914Z 64 PC: 12a63 | Write file or device (Write 625 bytes on handle 5)
2018-12-17T22:50:33.651661318Z 87 PC: 12c60 | Get or set file date and time
2018-12-17T22:50:33.653458994Z 62 PC: 12c68 | Close file
2018-12-17T22:50:33.66203723Z 67 PC: 12c75 | Get or set file attributes
2018-12-17T22:50:33.667495668Z 9 PC: 12ca5 | Display string (String= ' Program too big to fit in memory')
2018-12-17T22:50:33.673151783Z 76 PC: 12ca9 | Terminate with return code (Return code = '36')