Sample viewer

vx.netlux.org/Virus.DOS.Malmsey.495.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:11:23.665843387Z 78 PC: 12a4c | Find first file
2018-12-17T23:11:23.673261455Z 61 PC: 12b93 | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:11:23.681106496Z 63 PC: 12b9e | Read file or device (Read 2 bytes on handle 5)
2018-12-17T23:11:23.688399217Z 66 PC: 12baf | Move file pointer
2018-12-17T23:11:23.690724071Z 64 PC: 12bb9 | Write file or device (Write 495 bytes on handle 5)
2018-12-17T23:11:23.694408002Z 62 PC: 12bbd | Close file
2018-12-17T23:11:23.708614887Z 42 PC: 12a5b | Get date 0x12a5b: cmp dl, 0x1e
0x12a5e: jne 0x12a65
0x12a60: cmp dh, 9
0x12a63: je 0x12a67
0x12a65: int 0x20
0x12a67: mov byte ptr [0x287], 0
0x12a6c: mov ah, 0
0x12a6e: mov al, 3
0x12a70: int 0x10
0x12a72: mov ah, 8
0x12a74: int 0x10
0x12a76: mov byte ptr [0x289], al
0x12a79: cmp byte ptr [0x289], 0
0x12a7e: jne 0x12a85
0x12a80: mov byte ptr [0x289], 0xf
0x12a85: mov ah, 1
0x12a87: mov cl, 0
0x12a89: mov ch, 0x40
0x12a8b: int 0x10
0x12a8d: mov cl, 0

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":17170,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:55:06.553816611Z 78 PC: 12a4c | Find first file
2018-12-25T12:55:06.559970452Z 61 PC: 12b93 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:55:06.566456171Z 63 PC: 12b9e | Read file or device (Read 2 bytes on handle 5)
2018-12-25T12:55:06.572736488Z 66 PC: 12baf | Move file pointer
2018-12-25T12:55:06.574839483Z 64 PC: 12bb9 | Write file or device (Write 495 bytes on handle 5)
2018-12-25T12:55:06.577378077Z 62 PC: 12bbd | Close file
2018-12-25T12:55:06.592497594Z 42 PC: 12a5b | Get date 0x12a5b: cmp dl, 0x1e
0x12a5e: jne 0x12a65
0x12a60: cmp dh, 9
0x12a63: je 0x12a67
0x12a65: int 0x20
0x12a67: mov byte ptr [0x287], 0
0x12a6c: mov ah, 0
0x12a6e: mov al, 3
0x12a70: int 0x10
0x12a72: mov ah, 8
0x12a74: int 0x10
0x12a76: mov byte ptr [0x289], al
0x12a79: cmp byte ptr [0x289], 0
0x12a7e: jne 0x12a85
0x12a80: mov byte ptr [0x289], 0xf
0x12a85: mov ah, 1
0x12a87: mov cl, 0
0x12a89: mov ch, 0x40
0x12a8b: int 0x10
0x12a8d: mov cl, 0

{"DateBased":true,"Day":30,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":17170,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:55:06.960263285Z 78 PC: 12a4c | Find first file
2018-12-25T12:55:06.965933891Z 61 PC: 12b93 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:55:06.97161184Z 63 PC: 12b9e | Read file or device (Read 2 bytes on handle 5)
2018-12-25T12:55:06.979683857Z 66 PC: 12baf | Move file pointer
2018-12-25T12:55:06.994616165Z 64 PC: 12bb9 | Write file or device (Write 495 bytes on handle 5)
2018-12-25T12:55:06.997665697Z 62 PC: 12bbd | Close file
2018-12-25T12:55:07.012641364Z 42 PC: 12a5b | Get date 0x12a5b: cmp dl, 0x1e
0x12a5e: jne 0x12a65
0x12a60: cmp dh, 9
0x12a63: je 0x12a67
0x12a65: int 0x20
0x12a67: mov byte ptr [0x287], 0
0x12a6c: mov ah, 0
0x12a6e: mov al, 3
0x12a70: int 0x10
0x12a72: mov ah, 8
0x12a74: int 0x10
0x12a76: mov byte ptr [0x289], al
0x12a79: cmp byte ptr [0x289], 0
0x12a7e: jne 0x12a85
0x12a80: mov byte ptr [0x289], 0xf
0x12a85: mov ah, 1
0x12a87: mov cl, 0
0x12a89: mov ch, 0x40
0x12a8b: int 0x10
0x12a8d: mov cl, 0

{"DateBased":true,"Day":30,"Month":9,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":17170,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:55:07.405257773Z 78 PC: 12a4c | Find first file
2018-12-25T12:55:07.412009935Z 61 PC: 12b93 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:55:07.421015375Z 63 PC: 12b9e | Read file or device (Read 2 bytes on handle 5)
2018-12-25T12:55:07.428108733Z 66 PC: 12baf | Move file pointer
2018-12-25T12:55:07.429756457Z 64 PC: 12bb9 | Write file or device (Write 495 bytes on handle 5)
2018-12-25T12:55:07.433459414Z 62 PC: 12bbd | Close file
2018-12-25T12:55:07.449245146Z 42 PC: 12a5b | Get date 0x12a5b: cmp dl, 0x1e
0x12a5e: jne 0x12a65
0x12a60: cmp dh, 9
0x12a63: je 0x12a67
0x12a65: int 0x20
0x12a67: mov byte ptr [0x287], 0
0x12a6c: mov ah, 0
0x12a6e: mov al, 3
0x12a70: int 0x10
0x12a72: mov ah, 8
0x12a74: int 0x10
0x12a76: mov byte ptr [0x289], al
0x12a79: cmp byte ptr [0x289], 0
0x12a7e: jne 0x12a85
0x12a80: mov byte ptr [0x289], 0xf
0x12a85: mov ah, 1
0x12a87: mov cl, 0
0x12a89: mov ch, 0x40
0x12a8b: int 0x10
0x12a8d: mov cl, 0
2018-12-25T12:55:07.462131217Z 9 PC: 12ab4 | Display string (String= '(o) (o)')