Sample viewer

vx.netlux.org/Virus.DOS.Vienna.833.a

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:03:27.973831214Z 48 PC: 12edc | Get DOS version
2018-12-17T23:03:27.976095237Z 47 PC: 12ee8 | Get disk transfer address
2018-12-17T23:03:27.97789585Z 26 PC: 12ef7 | Set disk transfer address
2018-12-17T23:03:27.979486288Z 78 PC: 12f73 | Find first file
2018-12-17T23:03:27.986353861Z 67 PC: 12fbe | Get or set file attributes
2018-12-17T23:03:27.993609945Z 67 PC: 12fcb | Get or set file attributes
2018-12-17T23:03:28.012338292Z 61 PC: 12fd2 | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:03:28.019741281Z 87 PC: 12fde | Get or set file date and time
2018-12-17T23:03:28.022314004Z 44 PC: 12fe8 | Get time 0x12fe8: and dh, 7
0x12feb: jne 0x13055
0x12fed: mov ah, 0x19
0x12fef: int 0x21
0x12ff1: push bx
0x12ff2: mov dl, al
0x12ff4: mov dh, 0
0x12ff6: mov cx, 0x10
0x12ff9: mov bx, si
0x12ffb: add bx, 0xc1
0x12fff: xor byte ptr [bx], 0x27
0x13002: inc bx
0x13003: loop 0x12fff
0x13005: mov cx, 1
0x13008: mov ax, 0x309
0x1300b: mov bx, si
0x1300d: add bx, 0xc1
0x13011: int 0x13
0x13013: jb 0x13052
0x13015: push es
2018-12-17T23:03:28.024962119Z 63 PC: 1307a | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:03:28.031871812Z 66 PC: 1308a | Move file pointer
2018-12-17T23:03:28.034733338Z 64 PC: 130ad | Write file or device (Write 833 bytes on handle 5)
2018-12-17T23:03:28.045414456Z 66 PC: 130bd | Move file pointer
2018-12-17T23:03:28.048192986Z 64 PC: 130cb | Write file or device (Write 3 bytes on handle 5)
2018-12-17T23:03:28.057138103Z 87 PC: 130ea | Get or set file date and time
2018-12-17T23:03:28.058987928Z 62 PC: 130ee | Close file
2018-12-17T23:03:28.067977287Z 67 PC: 130fb | Get or set file attributes
2018-12-17T23:03:28.0800232Z 26 PC: 13105 | Set disk transfer address
2018-12-17T23:03:28.08239734Z 74 PC: 12a60 | Reallocate memory
2018-12-17T23:03:28.084377731Z 9 PC: 12a9c | Display string (String= 'Error: No program name given')
2018-12-17T23:03:28.0872993Z 76 PC: 12a84 | Terminate with return code (Return code = '1')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":0,"TimeBased":true,"OriginalID":14554,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:40:53.783069671Z 48 PC: 12edc | Get DOS version
2018-12-25T12:40:53.785590812Z 47 PC: 12ee8 | Get disk transfer address
2018-12-25T12:40:53.786965996Z 26 PC: 12ef7 | Set disk transfer address
2018-12-25T12:40:53.788327641Z 78 PC: 12f73 | Find first file
2018-12-25T12:40:53.795007033Z 67 PC: 12fbe | Get or set file attributes
2018-12-25T12:40:53.801638013Z 67 PC: 12fcb | Get or set file attributes
2018-12-25T12:40:53.819721667Z 61 PC: 12fd2 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:40:53.827214627Z 87 PC: 12fde | Get or set file date and time
2018-12-25T12:40:53.833433818Z 44 PC: 12fe8 | Get time 0x12fe8: and dh, 7
0x12feb: jne 0x13055
0x12fed: mov ah, 0x19
0x12fef: int 0x21
0x12ff1: push bx
0x12ff2: mov dl, al
0x12ff4: mov dh, 0
0x12ff6: mov cx, 0x10
0x12ff9: mov bx, si
0x12ffb: add bx, 0xc1
0x12fff: xor byte ptr [bx], 0x27
0x13002: inc bx
0x13003: loop 0x12fff
0x13005: mov cx, 1
0x13008: mov ax, 0x309
0x1300b: mov bx, si
0x1300d: add bx, 0xc1
0x13011: int 0x13
0x13013: jb 0x13052
0x13015: push es
2018-12-25T12:40:53.836167765Z 63 PC: 1307a | Read file or device (Read 3 bytes on handle 5)
2018-12-25T12:40:53.843272146Z 66 PC: 1308a | Move file pointer
2018-12-25T12:40:53.846029137Z 64 PC: 130ad | Write file or device (Write 833 bytes on handle 5)
2018-12-25T12:40:53.856040359Z 66 PC: 130bd | Move file pointer
2018-12-25T12:40:53.857596422Z 64 PC: 130cb | Write file or device (Write 3 bytes on handle 5)
2018-12-25T12:40:53.866155177Z 87 PC: 130ea | Get or set file date and time
2018-12-25T12:40:53.868049538Z 62 PC: 130ee | Close file
2018-12-25T12:40:53.877426099Z 67 PC: 130fb | Get or set file attributes
2018-12-25T12:40:53.889125064Z 26 PC: 13105 | Set disk transfer address
2018-12-25T12:40:53.890472685Z 74 PC: 12a60 | Reallocate memory
2018-12-25T12:40:53.892208324Z 9 PC: 12a9c | Display string (String= 'Error: No program name given')
2018-12-25T12:40:53.895213753Z 76 PC: 12a84 | Terminate with return code (Return code = '1')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":7,"TimeBased":true,"OriginalID":14554,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:40:54.413551736Z 48 PC: 12edc | Get DOS version
2018-12-25T12:40:54.415143655Z 47 PC: 12ee8 | Get disk transfer address
2018-12-25T12:40:54.416970536Z 26 PC: 12ef7 | Set disk transfer address
2018-12-25T12:40:54.418259618Z 78 PC: 12f73 | Find first file
2018-12-25T12:40:54.424715859Z 67 PC: 12fbe | Get or set file attributes
2018-12-25T12:40:54.43395769Z 67 PC: 12fcb | Get or set file attributes
2018-12-25T12:40:54.450591415Z 61 PC: 12fd2 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:40:54.458238245Z 87 PC: 12fde | Get or set file date and time
2018-12-25T12:40:54.46006016Z 44 PC: 12fe8 | Get time 0x12fe8: and dh, 7
0x12feb: jne 0x13055
0x12fed: mov ah, 0x19
0x12fef: int 0x21
0x12ff1: push bx
0x12ff2: mov dl, al
0x12ff4: mov dh, 0
0x12ff6: mov cx, 0x10
0x12ff9: mov bx, si
0x12ffb: add bx, 0xc1
0x12fff: xor byte ptr [bx], 0x27
0x13002: inc bx
0x13003: loop 0x12fff
0x13005: mov cx, 1
0x13008: mov ax, 0x309
0x1300b: mov bx, si
0x1300d: add bx, 0xc1
0x13011: int 0x13
0x13013: jb 0x13052
0x13015: push es
2018-12-25T12:40:54.461839866Z 63 PC: 1307a | Read file or device (Read 3 bytes on handle 5)
2018-12-25T12:40:54.466880403Z 66 PC: 1308a | Move file pointer
2018-12-25T12:40:54.468896071Z 64 PC: 130ad | Write file or device (Write 833 bytes on handle 5)
2018-12-25T12:40:54.488211817Z 66 PC: 130bd | Move file pointer
2018-12-25T12:40:54.48975528Z 64 PC: 130cb | Write file or device (Write 3 bytes on handle 5)
2018-12-25T12:40:54.497472456Z 87 PC: 130ea | Get or set file date and time
2018-12-25T12:40:54.499028463Z 62 PC: 130ee | Close file
2018-12-25T12:40:54.507474531Z 67 PC: 130fb | Get or set file attributes
2018-12-25T12:40:54.519644777Z 26 PC: 13105 | Set disk transfer address
2018-12-25T12:40:54.521786791Z 74 PC: 12a60 | Reallocate memory
2018-12-25T12:40:54.523411245Z 9 PC: 12a9c | Display string (String= 'Error: No program name given')
2018-12-25T12:40:54.526253509Z 76 PC: 12a84 | Terminate with return code (Return code = '1')