Sample viewer

vx.netlux.org/Virus.DOS.VCL.Mystic.377

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:25:03.142726558Z 26 PC: 12a73 | Set disk transfer address
2018-12-17T22:25:03.143932985Z 71 PC: 12a7d | Get current directory
2018-12-17T22:25:03.150674866Z 78 PC: 12a96 | Find first file
2018-12-17T22:25:03.158228083Z 67 PC: 12ab3 | Get or set file attributes
2018-12-17T22:25:03.175561614Z 61 PC: 12ab8 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:25:03.184292361Z 63 PC: 12ac4 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:25:03.192404136Z 66 PC: 12b00 | Move file pointer
2018-12-17T22:25:03.194448301Z 64 PC: 12b1c | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:25:03.198229702Z 66 PC: 12b25 | Move file pointer
2018-12-17T22:25:03.202308376Z 44 PC: 12b29 | Get time 0x12b29: mov word ptr [bp + 0x274], dx
0x12b2d: mov ax, cs
0x12b2f: add ax, 0x100
0x12b32: mov es, ax
0x12b34: mov cx, 0xbd
0x12b37: lea si, word ptr [bp + 0x103]
0x12b3b: xor di, di
0x12b3d: rep movsd dword ptr es:[di], dword ptr [si]
0x12b3f: inc word ptr es:[0xb2]
0x12b44: push bx
0x12b45: mov bx, 0xf
0x12b48: push es
0x12b49: pop ds
0x12b4a: call 0x12baf
0x12b4d: pop bx
0x12b4e: xor dx, dx
0x12b50: mov cx, 0x179
0x12b53: mov ah, 0x40
0x12b55: int 0x21
0x12b57: mov ax, 0x5701
2018-12-17T22:25:03.206455583Z 64 PC: 12b57 | Write file or device (Write 377 bytes on handle 5)
2018-12-17T22:25:03.230647788Z 87 PC: 12b64 | Get or set file date and time
2018-12-17T22:25:03.232298111Z 62 PC: 12b68 | Close file
2018-12-17T22:25:03.251229602Z 67 PC: 12b7b | Get or set file attributes
2018-12-17T22:25:03.266406751Z 59 PC: 12a8d | Change current directory