Sample viewer

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

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:46:24.815315261Z 78 PC: 12a4c | Find first file
2018-12-17T22:46:24.822901379Z 61 PC: 12b93 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:46:24.830305234Z 63 PC: 12b9e | Read file or device (Read 2 bytes on handle 5)
2018-12-17T22:46:24.837210784Z 66 PC: 12baf | Move file pointer
2018-12-17T22:46:24.838972432Z 64 PC: 12bb9 | Write file or device (Write 495 bytes on handle 5)
2018-12-17T22:46:24.842925056Z 62 PC: 12bbd | Close file
2018-12-17T22:46:24.857387178Z 42 PC: 12a5b | Get date 0x12a5b: cmp dl, 3
0x12a5e: jne 0x12a65
0x12a60: cmp dh, 0xa
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":8873,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:22:07.479304509Z 78 PC: 12a4c | Find first file
2018-12-25T12:22:07.485908148Z 61 PC: 12b93 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:22:07.492397579Z 63 PC: 12b9e | Read file or device (Read 2 bytes on handle 5)
2018-12-25T12:22:07.498397852Z 66 PC: 12baf | Move file pointer
2018-12-25T12:22:07.500476464Z 64 PC: 12bb9 | Write file or device (Write 495 bytes on handle 5)
2018-12-25T12:22:07.503312206Z 62 PC: 12bbd | Close file
2018-12-25T12:22:07.516970785Z 42 PC: 12a5b | Get date 0x12a5b: cmp dl, 3
0x12a5e: jne 0x12a65
0x12a60: cmp dh, 0xa
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":3,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":8873,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:22:07.751820162Z 78 PC: 12a4c | Find first file
2018-12-25T12:22:07.758983891Z 61 PC: 12b93 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:22:07.765945825Z 63 PC: 12b9e | Read file or device (Read 2 bytes on handle 5)
2018-12-25T12:22:07.772025947Z 66 PC: 12baf | Move file pointer
2018-12-25T12:22:07.77449329Z 64 PC: 12bb9 | Write file or device (Write 495 bytes on handle 5)
2018-12-25T12:22:07.77718253Z 62 PC: 12bbd | Close file
2018-12-25T12:22:07.789788297Z 42 PC: 12a5b | Get date 0x12a5b: cmp dl, 3
0x12a5e: jne 0x12a65
0x12a60: cmp dh, 0xa
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":3,"Month":10,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":8873,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:22:08.122401933Z 78 PC: 12a4c | Find first file
2018-12-25T12:22:08.128533836Z 61 PC: 12b93 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:22:08.13476784Z 63 PC: 12b9e | Read file or device (Read 2 bytes on handle 5)
2018-12-25T12:22:08.140698391Z 66 PC: 12baf | Move file pointer
2018-12-25T12:22:08.142287047Z 64 PC: 12bb9 | Write file or device (Write 495 bytes on handle 5)
2018-12-25T12:22:08.144770549Z 62 PC: 12bbd | Close file
2018-12-25T12:22:08.158277679Z 42 PC: 12a5b | Get date 0x12a5b: cmp dl, 3
0x12a5e: jne 0x12a65
0x12a60: cmp dh, 0xa
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
2018-12-25T12:22:08.168800704Z 9 PC: 12ab4 | Display string (String= '(o) (o)')