Sample viewer

vx.netlux.org/Virus.DOS.Vienna.Violator.846

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:03:14.975920236Z 48 PC: 12a91 | Get DOS version
2018-12-17T23:03:14.977876291Z 42 PC: 12a91 | Get date 0x12a91: ret
0x12a92: int 0x13
0x12a94: ret
0x12a95: int 0x26
0x12a97: ret
0x12a98: mov ah, 0x2a
0x12a9a: mov byte ptr [0x3d3], 1
0x12a9f: nop
0x12aa0: call 0x22a79
0x12aa3: cmp cx, word ptr [0x39c]
0x12aa7: jge 0x12aac
0x12aa9: jmp 0x12afb
0x12aab: nop
0x12aac: cmp dh, byte ptr [0x39e]
0x12ab0: jge 0x12ab5
0x12ab2: jmp 0x12afb
0x12ab4: nop
0x12ab5: cmp dl, byte ptr [0x39f]
0x12ab9: jge 0x12abe
0x12abb: jmp 0x12afb
2018-12-17T23:03:14.980751905Z 47 PC: 12a91 | Get disk transfer address
2018-12-17T23:03:14.982935718Z 26 PC: 12a91 | Set disk transfer address
2018-12-17T23:03:14.98457108Z 78 PC: 12a91 | Find first file
2018-12-17T23:03:14.991748775Z 67 PC: 12a91 | Get or set file attributes
2018-12-17T23:03:15.005350902Z 67 PC: 12a91 | Get or set file attributes
2018-12-17T23:03:15.022333239Z 61 PC: 12a91 | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:03:15.031375388Z 87 PC: 12a91 | Get or set file date and time
2018-12-17T23:03:15.033216707Z 44 PC: 12a91 | Get time 0x12a91: ret
0x12a92: int 0x13
0x12a94: ret
0x12a95: int 0x26
0x12a97: ret
0x12a98: mov ah, 0x2a
0x12a9a: mov byte ptr [0x3d3], 1
0x12a9f: nop
0x12aa0: call 0x22a79
0x12aa3: cmp cx, word ptr [0x39c]
0x12aa7: jge 0x12aac
0x12aa9: jmp 0x12afb
0x12aab: nop
0x12aac: cmp dh, byte ptr [0x39e]
0x12ab0: jge 0x12ab5
0x12ab2: jmp 0x12afb
0x12ab4: nop
0x12ab5: cmp dl, byte ptr [0x39f]
0x12ab9: jge 0x12abe
0x12abb: jmp 0x12afb
2018-12-17T23:03:15.035675637Z 63 PC: 12a91 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:03:15.044346789Z 66 PC: 12a91 | Move file pointer
2018-12-17T23:03:15.046584964Z 64 PC: 12a91 | Write file or device (Write 846 bytes on handle 5)
2018-12-17T23:03:15.056198025Z 66 PC: 12a91 | Move file pointer
2018-12-17T23:03:15.060008425Z 64 PC: 12a91 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T23:03:15.068682141Z 87 PC: 12a91 | Get or set file date and time
2018-12-17T23:03:15.070765866Z 62 PC: 12a91 | Close file
2018-12-17T23:03:15.088694901Z 67 PC: 12a91 | Get or set file attributes
2018-12-17T23:03:15.100807509Z 26 PC: 12a91 | Set disk transfer address