Sample viewer

vx.netlux.org/Virus.DOS.Cryptor.3278

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:00:17.819306025Z 235 PC: 12a50 | UNKNOWN!
2018-12-17T23:00:17.821676978Z 53 PC: 12aab | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:00:17.825655144Z 37 PC: 12abc | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:00:17.827172456Z 42 PC: 135f2 | Get date 0x135f2: cmp dl, 2
0x135f5: jne 0x13607
0x135f7: mov ah, 0x2c
0x135f9: int 0x21
0x135fb: cmp ch, cl
0x135fd: jne 0x13607
0x135ff: mov ah, 9
0x13601: lea dx, word ptr [bp + 0xd80]
0x13605: int 0x21
0x13607: ret
0x13608: cld
0x13609: mov si, dx
0x1360b: mov di, dx
0x1360d: lodsb al, byte ptr [si]
0x1360e: cmp al, 0x5c
0x13610: jne 0x13614
0x13612: mov di, si
0x13614: cmp al, 0x3a
0x13616: jne 0x1361a
0x13618: mov di, si

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":13486,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:38:18.009064956Z 235 PC: 12a50 | UNKNOWN!
2018-12-25T12:38:18.011001632Z 53 PC: 12aab | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:38:18.012232352Z 37 PC: 12abc | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:38:18.013506208Z 42 PC: 135f2 | Get date 0x135f2: cmp dl, 2
0x135f5: jne 0x13607
0x135f7: mov ah, 0x2c
0x135f9: int 0x21
0x135fb: cmp ch, cl
0x135fd: jne 0x13607
0x135ff: mov ah, 9
0x13601: lea dx, word ptr [bp + 0xd80]
0x13605: int 0x21
0x13607: ret
0x13608: cld
0x13609: mov si, dx
0x1360b: mov di, dx
0x1360d: lodsb al, byte ptr [si]
0x1360e: cmp al, 0x5c
0x13610: jne 0x13614
0x13612: mov di, si
0x13614: cmp al, 0x3a
0x13616: jne 0x1361a
0x13618: mov di, si

{"DateBased":true,"Day":2,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":13486,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:38:18.478311744Z 235 PC: 12a50 | UNKNOWN!
2018-12-25T12:38:18.479835122Z 53 PC: 12aab | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:38:18.481184092Z 37 PC: 12abc | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:38:18.482475021Z 42 PC: 135f2 | Get date 0x135f2: cmp dl, 2
0x135f5: jne 0x13607
0x135f7: mov ah, 0x2c
0x135f9: int 0x21
0x135fb: cmp ch, cl
0x135fd: jne 0x13607
0x135ff: mov ah, 9
0x13601: lea dx, word ptr [bp + 0xd80]
0x13605: int 0x21
0x13607: ret
0x13608: cld
0x13609: mov si, dx
0x1360b: mov di, dx
0x1360d: lodsb al, byte ptr [si]
0x1360e: cmp al, 0x5c
0x13610: jne 0x13614
0x13612: mov di, si
0x13614: cmp al, 0x3a
0x13616: jne 0x1361a
0x13618: mov di, si
2018-12-25T12:38:18.485795546Z 44 PC: 135fb | Get time 0x135fb: cmp ch, cl
0x135fd: jne 0x13607
0x135ff: mov ah, 9
0x13601: lea dx, word ptr [bp + 0xd80]
0x13605: int 0x21
0x13607: ret
0x13608: cld
0x13609: mov si, dx
0x1360b: mov di, dx
0x1360d: lodsb al, byte ptr [si]
0x1360e: cmp al, 0x5c
0x13610: jne 0x13614
0x13612: mov di, si
0x13614: cmp al, 0x3a
0x13616: jne 0x1361a
0x13618: mov di, si
0x1361a: or al, al
0x1361c: jne 0x1360d
0x1361e: ret
0x1361f: push sp