Sample viewer

vx.netlux.org/Virus.DOS.HLLC.IdoMoshe

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:10:46.99428888Z 74 PC: 13f1a | Reallocate memory
2018-12-17T23:10:47.003293134Z 74 PC: 14bd9 | Reallocate memory
2018-12-17T23:10:47.005764379Z 37 PC: 136ff | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T23:10:47.007433647Z 37 PC: 13707 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T23:10:47.00932712Z 37 PC: 1370f | Set interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T23:10:47.011585892Z 68 PC: 13a7f | I/O control for devices (Set for = '')
2018-12-17T23:10:47.073445675Z 37 PC: 12fd5 | Set interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T23:10:47.075144853Z 44 PC: 140c6 | Get time 0x140c6: mov word ptr [0x5a], cx
0x140ca: mov word ptr [0x5c], dx
0x140ce: retf
0x140cf: mov bx, sp
0x140d1: push ds
0x140d2: les di, ptr ss:[bx + 8]
0x140d6: lds si, ptr ss:[bx + 4]
0x140da: cld
0x140db: xor ax, ax
0x140dd: stosw word ptr es:[di], ax
0x140de: mov ax, 0xd7b0
0x140e1: stosw word ptr es:[di], ax
0x140e2: xor ax, ax
0x140e4: mov cx, 0x16
0x140e7: rep stosd dword ptr es:[di], eax
0x140e9: lodsb al, byte ptr [si]
0x140ea: cmp al, 0x4f
0x140ec: jbe 0x140f0
0x140ee: mov al, 0x4f
0x140f0: mov cl, al
2018-12-17T23:10:47.078327369Z 48 PC: 1431f | Get DOS version
2018-12-17T23:10:47.080991955Z 26 PC: 13585 | Set disk transfer address
2018-12-17T23:10:47.082596424Z 78 PC: 13591 | Find first file
2018-12-17T23:10:47.090217263Z 61 PC: 14145 | Open file (Filename = 'A:\TEST.EXE')
2018-12-17T23:10:47.098154615Z 60 PC: 14145 | Create or truncate file
2018-12-17T23:10:47.123754988Z 66 PC: 142e1 | Move file pointer
2018-12-17T23:10:47.127129377Z 66 PC: 142ef | Move file pointer
2018-12-17T23:10:47.12896433Z 66 PC: 142fd | Move file pointer
2018-12-17T23:10:47.131010375Z 63 PC: 14218 | Read file or device (Read 6258 bytes on handle 5)
2018-12-17T23:10:47.141876487Z 64 PC: 14218 | Write file or device (Write 6257 bytes on handle 6)
2018-12-17T23:10:47.15296267Z 62 PC: 14195 | Close file
2018-12-17T23:10:47.155522563Z 62 PC: 14195 | Close file
2018-12-17T23:10:47.16661736Z 61 PC: 13a66 | Open file (Filename = 'A:\autoexec.bat')
2018-12-17T23:10:47.178385497Z 60 PC: 13a66 | Create or truncate file
2018-12-17T23:10:47.19380713Z 68 PC: 13a7f | I/O control for devices (Set for = 'A:\autoexec.bat')
2018-12-17T23:10:47.196382374Z 64 PC: 13b5d | Write file or device (Write 19 bytes on handle 5)
2018-12-17T23:10:47.201304885Z 62 PC: 13b9c | Close file
2018-12-17T23:10:47.217506976Z 26 PC: 13585 | Set disk transfer address
2018-12-17T23:10:47.219185545Z 78 PC: 13591 | Find first file