Sample viewer

vx.netlux.org/Virus.DOS.BloodMonday.968

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:02:48.597520588Z 238 PC: 12ada | UNKNOWN!
2018-12-17T23:02:48.59953491Z 42 PC: 12af6 | Get date 0x12af6: cmp al, 1
0x12af8: jne 0x12aff
0x12afa: inc byte ptr cs:[0x184]
0x12aff: mov ax, cs
0x12b01: mov ss, ax
0x12b03: mov sp, 0x700
0x12b06: mov bx, sp
0x12b08: mov cl, 4
0x12b0a: shr bx, cl
0x12b0c: add bx, 0x10
0x12b0f: mov ah, 0x4a
0x12b11: int 0x21
0x12b13: push cs
0x12b14: pop es
0x12b15: mov bx, 0x187
0x12b18: mov ax, 0x4b00
0x12b1b: mov es, word ptr es:[0x2c]
0x12b20: xor di, di
0x12b22: mov cx, 0x7fff
0x12b25: xor al, al
2018-12-17T23:02:48.613927349Z 74 PC: 12b13 | Reallocate memory
2018-12-17T23:02:48.615939183Z 53 PC: 12b74 | Get interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-17T23:02:48.617811953Z 37 PC: 12b89 | Set interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-17T23:02:48.619057433Z 53 PC: 12b90 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:02:48.620235237Z 37 PC: 12ba4 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:02:48.621397729Z 75 PC: 12b5e | Execute program
2018-12-17T23:02:48.638191851Z 9 PC: 1332a | Display string (String= '(C) 2000 Rising Computer Sci & Tech Inc. Host program for virus, DOSCOM Version. It's original size is 10000. Maybe you've just released a virus! ')
2018-12-17T23:02:48.65932206Z 76 PC: 1332f | Terminate with return code (Return code = '0')
2018-12-17T23:02:48.662655462Z 73 PC: 12b64 | Release memory
2018-12-17T23:02:48.665445767Z 77 PC: 12b68 | Get program return code
2018-12-17T23:02:48.666886864Z 49 PC: 12b6f | Terminate and stay resident (Return code = '0' | Memory size = '77')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":14328,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:40:18.291901983Z 238 PC: 12ada | UNKNOWN!
2018-12-25T12:40:18.292471365Z 42 PC: 12af6 | Get date 0x12af6: cmp al, 1
0x12af8: jne 0x12aff
0x12afa: inc byte ptr cs:[0x184]
0x12aff: mov ax, cs
0x12b01: mov ss, ax
0x12b03: mov sp, 0x700
0x12b06: mov bx, sp
0x12b08: mov cl, 4
0x12b0a: shr bx, cl
0x12b0c: add bx, 0x10
0x12b0f: mov ah, 0x4a
0x12b11: int 0x21
0x12b13: push cs
0x12b14: pop es
0x12b15: mov bx, 0x187
0x12b18: mov ax, 0x4b00
0x12b1b: mov es, word ptr es:[0x2c]
0x12b20: xor di, di
0x12b22: mov cx, 0x7fff
0x12b25: xor al, al
2018-12-25T12:40:18.296245899Z 74 PC: 12b13 | Reallocate memory
2018-12-25T12:40:18.297538687Z 53 PC: 12b74 | Get interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-25T12:40:18.298601652Z 37 PC: 12b89 | Set interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-25T12:40:18.300532199Z 53 PC: 12b90 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:40:18.301460465Z 37 PC: 12ba4 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:40:18.302335579Z 75 PC: 12b5e | Execute program
2018-12-25T12:40:18.318027731Z 9 PC: 1332a | Display string (String= '(C) 2000 Rising Computer Sci & Tech Inc. Host program for virus, DOSCOM Version. It's original size is 10000. Maybe you've just released a virus! ')
2018-12-25T12:40:18.342018972Z 76 PC: 1332f | Terminate with return code (Return code = '0')
2018-12-25T12:40:18.345188852Z 73 PC: 12b64 | Release memory
2018-12-25T12:40:18.347924106Z 77 PC: 12b68 | Get program return code
2018-12-25T12:40:18.34952725Z 49 PC: 12b6f | Terminate and stay resident (Return code = '0' | Memory size = '77')

{"DateBased":true,"Day":7,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":14328,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:40:18.414057904Z 238 PC: 12ada | UNKNOWN!
2018-12-25T12:40:18.4156314Z 42 PC: 12af6 | Get date 0x12af6: cmp al, 1
0x12af8: jne 0x12aff
0x12afa: inc byte ptr cs:[0x184]
0x12aff: mov ax, cs
0x12b01: mov ss, ax
0x12b03: mov sp, 0x700
0x12b06: mov bx, sp
0x12b08: mov cl, 4
0x12b0a: shr bx, cl
0x12b0c: add bx, 0x10
0x12b0f: mov ah, 0x4a
0x12b11: int 0x21
0x12b13: push cs
0x12b14: pop es
0x12b15: mov bx, 0x187
0x12b18: mov ax, 0x4b00
0x12b1b: mov es, word ptr es:[0x2c]
0x12b20: xor di, di
0x12b22: mov cx, 0x7fff
0x12b25: xor al, al
2018-12-25T12:40:18.419696664Z 74 PC: 12b13 | Reallocate memory
2018-12-25T12:40:18.421356764Z 53 PC: 12b74 | Get interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-25T12:40:18.423550676Z 37 PC: 12b89 | Set interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-25T12:40:18.42515042Z 53 PC: 12b90 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:40:18.426602148Z 37 PC: 12ba4 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:40:18.429109399Z 75 PC: 12b5e | Execute program
2018-12-25T12:40:18.444375829Z 9 PC: 1332a | Display string (String= '(C) 2000 Rising Computer Sci & Tech Inc. Host program for virus, DOSCOM Version. It's original size is 10000. Maybe you've just released a virus! ')
2018-12-25T12:40:18.455154021Z 76 PC: 1332f | Terminate with return code (Return code = '0')
2018-12-25T12:40:18.459667995Z 73 PC: 12b64 | Release memory
2018-12-25T12:40:18.461308036Z 77 PC: 12b68 | Get program return code
2018-12-25T12:40:18.462797916Z 49 PC: 12b6f | Terminate and stay resident (Return code = '0' | Memory size = '77')