Sample viewer

vx.netlux.org/Virus.DOS.Vienna.644.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:08:09.355003247Z 48 PC: 12af5 | Get DOS version
2018-12-17T23:08:09.369217999Z 47 PC: 12b01 | Get disk transfer address
2018-12-17T23:08:09.370672833Z 26 PC: 12b14 | Set disk transfer address
2018-12-17T23:08:09.371875734Z 78 PC: 12ba0 | Find first file
2018-12-17T23:08:09.377857927Z 67 PC: 12bde | Get or set file attributes
2018-12-17T23:08:09.390132465Z 67 PC: 12bf0 | Get or set file attributes
2018-12-17T23:08:09.405599934Z 61 PC: 12bfb | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:08:09.41224728Z 87 PC: 12c07 | Get or set file date and time
2018-12-17T23:08:09.414428536Z 44 PC: 12c13 | Get time 0x12c13: and dh, 7
0x12c16: jne 0x12c28
0x12c18: mov ah, 0x40
0x12c1a: mov cx, 5
0x12c1d: mov dx, si
0x12c1f: add dx, 0x89
0x12c23: int 0x21
0x12c25: jmp 0x12c8c
0x12c27: nop
0x12c28: mov ah, 0x3f
0x12c2a: mov cx, 3
0x12c2d: mov dx, 0xa
0x12c30: nop
0x12c31: add dx, si
0x12c33: int 0x21
0x12c35: jb 0x12c8c
0x12c37: cmp ax, 3
0x12c3a: jne 0x12c8c
0x12c3c: mov ax, 0x4202
0x12c3f: mov cx, 0
2018-12-17T23:08:09.416700206Z 63 PC: 12c35 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:08:09.423145624Z 66 PC: 12c47 | Move file pointer
2018-12-17T23:08:09.425167968Z 64 PC: 12c6b | Write file or device (Write 644 bytes on handle 5)
2018-12-17T23:08:09.433675539Z 66 PC: 12c7d | Move file pointer
2018-12-17T23:08:09.435061228Z 64 PC: 12c8c | Write file or device (Write 3 bytes on handle 5)
2018-12-17T23:08:09.450946737Z 87 PC: 12c9f | Get or set file date and time
2018-12-17T23:08:09.452402586Z 62 PC: 12ca3 | Close file
2018-12-17T23:08:09.457398819Z 67 PC: 12cb2 | Get or set file attributes
2018-12-17T23:08:09.464490119Z 26 PC: 12cbf | Set disk transfer address

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":7,"TimeBased":true,"OriginalID":16113,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:45:24.03637274Z 48 PC: 12af5 | Get DOS version
2018-12-25T12:45:24.037844667Z 47 PC: 12b01 | Get disk transfer address
2018-12-25T12:45:24.039082408Z 26 PC: 12b14 | Set disk transfer address
2018-12-25T12:45:24.040362415Z 78 PC: 12ba0 | Find first file
2018-12-25T12:45:24.047555318Z 67 PC: 12bde | Get or set file attributes
2018-12-25T12:45:24.053885752Z 67 PC: 12bf0 | Get or set file attributes
2018-12-25T12:45:24.073839418Z 61 PC: 12bfb | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:45:24.081238228Z 87 PC: 12c07 | Get or set file date and time
2018-12-25T12:45:24.082868591Z 44 PC: 12c13 | Get time 0x12c13: and dh, 7
0x12c16: jne 0x12c28
0x12c18: mov ah, 0x40
0x12c1a: mov cx, 5
0x12c1d: mov dx, si
0x12c1f: add dx, 0x89
0x12c23: int 0x21
0x12c25: jmp 0x12c8c
0x12c27: nop
0x12c28: mov ah, 0x3f
0x12c2a: mov cx, 3
0x12c2d: mov dx, 0xa
0x12c30: nop
0x12c31: add dx, si
0x12c33: int 0x21
0x12c35: jb 0x12c8c
0x12c37: cmp ax, 3
0x12c3a: jne 0x12c8c
0x12c3c: mov ax, 0x4202
0x12c3f: mov cx, 0
2018-12-25T12:45:24.085057628Z 63 PC: 12c35 | Read file or device (Read 3 bytes on handle 5)
2018-12-25T12:45:24.091994393Z 66 PC: 12c47 | Move file pointer
2018-12-25T12:45:24.093736014Z 64 PC: 12c6b | Write file or device (Write 644 bytes on handle 5)
2018-12-25T12:45:24.102868731Z 66 PC: 12c7d | Move file pointer
2018-12-25T12:45:24.104077732Z 64 PC: 12c8c | Write file or device (Write 3 bytes on handle 5)
2018-12-25T12:45:24.111544765Z 87 PC: 12c9f | Get or set file date and time
2018-12-25T12:45:24.113106556Z 62 PC: 12ca3 | Close file
2018-12-25T12:45:24.121750757Z 67 PC: 12cb2 | Get or set file attributes
2018-12-25T12:45:24.133316619Z 26 PC: 12cbf | Set disk transfer address

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":0,"TimeBased":true,"OriginalID":16113,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:45:24.064883394Z 48 PC: 12af5 | Get DOS version
2018-12-25T12:45:24.066958929Z 47 PC: 12b01 | Get disk transfer address
2018-12-25T12:45:24.068052976Z 26 PC: 12b14 | Set disk transfer address
2018-12-25T12:45:24.069167285Z 78 PC: 12ba0 | Find first file
2018-12-25T12:45:24.0756507Z 67 PC: 12bde | Get or set file attributes
2018-12-25T12:45:24.081553602Z 67 PC: 12bf0 | Get or set file attributes
2018-12-25T12:45:24.100700254Z 61 PC: 12bfb | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:45:24.113133546Z 87 PC: 12c07 | Get or set file date and time
2018-12-25T12:45:24.114734408Z 44 PC: 12c13 | Get time 0x12c13: and dh, 7
0x12c16: jne 0x12c28
0x12c18: mov ah, 0x40
0x12c1a: mov cx, 5
0x12c1d: mov dx, si
0x12c1f: add dx, 0x89
0x12c23: int 0x21
0x12c25: jmp 0x12c8c
0x12c27: nop
0x12c28: mov ah, 0x3f
0x12c2a: mov cx, 3
0x12c2d: mov dx, 0xa
0x12c30: nop
0x12c31: add dx, si
0x12c33: int 0x21
0x12c35: jb 0x12c8c
0x12c37: cmp ax, 3
0x12c3a: jne 0x12c8c
0x12c3c: mov ax, 0x4202
0x12c3f: mov cx, 0
2018-12-25T12:45:24.117086446Z 63 PC: 12c35 | Read file or device (Read 3 bytes on handle 5)
2018-12-25T12:45:24.12389292Z 66 PC: 12c47 | Move file pointer
2018-12-25T12:45:24.125285479Z 64 PC: 12c6b | Write file or device (Write 644 bytes on handle 5)
2018-12-25T12:45:24.136126628Z 66 PC: 12c7d | Move file pointer
2018-12-25T12:45:24.13873392Z 64 PC: 12c8c | Write file or device (Write 3 bytes on handle 5)
2018-12-25T12:45:24.145233596Z 87 PC: 12c9f | Get or set file date and time
2018-12-25T12:45:24.146792418Z 62 PC: 12ca3 | Close file
2018-12-25T12:45:24.15536923Z 67 PC: 12cb2 | Get or set file attributes
2018-12-25T12:45:24.165397981Z 26 PC: 12cbf | Set disk transfer address