Sample viewer

vx.netlux.org/Virus.DOS.FaxFree.1024.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:50:16.118012503Z 42 PC: 12ed3 | Get date 0x12ed3: cmp dh, 5
0x12ed6: jae 0x12ee3
0x12ed8: xor ax, ax
0x12eda: push ax
0x12edb: pop es
0x12edc: mov ax, 0x11
0x12edf: mov word ptr es:[0x3fe], ax
0x12ee3: jmp 0x12c30
0x12ee6: nop
0x12ee7: mov ah, 0x4c
0x12ee9: int 0x21
0x12eeb: call 0x12f0a
0x12eee: cmp word ptr [0x2ac], ax
0x12ef2: je 0x12efa
0x12ef4: mov word ptr [0x2ac], 0xffff
0x12efa: and byte ptr [0x31d], 0xfb
0x12eff: cmp byte ptr [0x2a2], al
0x12f03: jne 0x12f08
0x12f05: jmp 0x1304d
0x12f08: stc
2018-12-17T22:50:16.120862893Z 48 PC: 12c7a | Get DOS version
2018-12-17T22:50:16.121968504Z 53 PC: 12ce3 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:50:16.123126944Z 76 PC: 12aa4 | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10164,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:27:20.775367689Z 42 PC: 12ed3 | Get date 0x12ed3: cmp dh, 5
0x12ed6: jae 0x12ee3
0x12ed8: xor ax, ax
0x12eda: push ax
0x12edb: pop es
0x12edc: mov ax, 0x11
0x12edf: mov word ptr es:[0x3fe], ax
0x12ee3: jmp 0x12c30
0x12ee6: nop
0x12ee7: mov ah, 0x4c
0x12ee9: int 0x21
0x12eeb: call 0x12f0a
0x12eee: cmp word ptr [0x2ac], ax
0x12ef2: je 0x12efa
0x12ef4: mov word ptr [0x2ac], 0xffff
0x12efa: and byte ptr [0x31d], 0xfb
0x12eff: cmp byte ptr [0x2a2], al
0x12f03: jne 0x12f08
0x12f05: jmp 0x1304d
0x12f08: stc
2018-12-25T12:27:20.779794129Z 48 PC: 12c7a | Get DOS version
2018-12-25T12:27:20.782643468Z 53 PC: 12ce3 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:27:20.78456433Z 76 PC: 12aa4 | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":1,"Month":6,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10164,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:27:20.766695504Z 42 PC: 12ed3 | Get date 0x12ed3: cmp dh, 5
0x12ed6: jae 0x12ee3
0x12ed8: xor ax, ax
0x12eda: push ax
0x12edb: pop es
0x12edc: mov ax, 0x11
0x12edf: mov word ptr es:[0x3fe], ax
0x12ee3: jmp 0x12c30
0x12ee6: nop
0x12ee7: mov ah, 0x4c
0x12ee9: int 0x21
0x12eeb: call 0x12f0a
0x12eee: cmp word ptr [0x2ac], ax
0x12ef2: je 0x12efa
0x12ef4: mov word ptr [0x2ac], 0xffff
0x12efa: and byte ptr [0x31d], 0xfb
0x12eff: cmp byte ptr [0x2a2], al
0x12f03: jne 0x12f08
0x12f05: jmp 0x1304d
0x12f08: stc
2018-12-25T12:27:20.770771786Z 48 PC: 12c7a | Get DOS version
2018-12-25T12:27:20.772129317Z 53 PC: 12ce3 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:27:20.773627367Z 76 PC: 12aa4 | Terminate with return code (Return code = '0')