Sample viewer

vx.netlux.org/Virus.DOS.Riot.Doom.442

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T21:56:10.423573428Z 26 PC: 12a5e | Set disk transfer address
2018-12-17T21:56:10.425368229Z 71 PC: 12a87 | Get current directory
2018-12-17T21:56:10.428123397Z 78 PC: 12a92 | Find first file
2018-12-17T21:56:10.433920684Z 61 PC: 12aaa | Open file (Filename = 'TEST.EXE')
2018-12-17T21:56:10.441687557Z 63 PC: 12ab6 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T21:56:10.444247105Z 66 PC: 12bd8 | Move file pointer
2018-12-17T21:56:10.445594942Z 44 PC: 12b0b | Get time 0x12b0b: xor dh, dh
0x12b0d: or dl, 0xa
0x12b10: mov word ptr [bp + 0x29a], dx
0x12b14: mov ah, 0x40
0x12b16: lea dx, word ptr [bp + 0x100]
0x12b1a: call 0x12bee
0x12b1d: mov al, 2
0x12b1f: call 0x12bd1
0x12b22: mov cx, 0x200
0x12b25: div cx
0x12b27: inc ax
0x12b28: mov word ptr [bp + 0x2bc], dx
0x12b2c: mov word ptr [bp + 0x2be], ax
0x12b30: xor al, al
0x12b32: call 0x12bd1
0x12b35: mov ah, 0x40
0x12b37: mov cx, 0x18
0x12b3a: lea dx, word ptr [bp + 0x2ba]
0x12b3e: int 0x21
0x12b40: lea si, word ptr [bp + 0x2e8]
2018-12-17T21:56:10.447778982Z 64 PC: 12bf6 | Write file or device (Write 442 bytes on handle 5)
2018-12-17T21:56:10.462170172Z 66 PC: 12bd8 | Move file pointer
2018-12-17T21:56:10.463428914Z 66 PC: 12bd8 | Move file pointer
2018-12-17T21:56:10.464632151Z 64 PC: 12b40 | Write file or device (Write 24 bytes on handle 5)
2018-12-17T21:56:10.467510142Z 87 PC: 12b4e | Get or set file date and time
2018-12-17T21:56:10.468882399Z 62 PC: 12b52 | Close file
2018-12-17T21:56:10.476659077Z 67 PC: 12b5f | Get or set file attributes
2018-12-17T21:56:10.481815269Z 79 PC: 12a92 | Find next file
2018-12-17T21:56:10.484122961Z 59 PC: 12a9c | Change current directory
2018-12-17T21:56:10.488117461Z 59 PC: 12b6c | Change current directory
2018-12-17T21:56:10.490417022Z 74 PC: 12b74 | Reallocate memory
2018-12-17T21:56:10.491775768Z 72 PC: 12b7c | Allocate memory