Sample viewer

vx.netlux.org/Virus.DOS.VirDem.601

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:35:36.346037224Z 25 PC: 12c6d | Get default drive
2018-12-17T22:35:36.347116448Z 71 PC: 12c7e | Get current directory
2018-12-17T22:35:36.350046844Z 26 PC: 12c85 | Set disk transfer address
2018-12-17T22:35:36.351043413Z 14 PC: 12a49 | Set default drive (Drive = 'C')
2018-12-17T22:35:36.352202597Z 14 PC: 12a79 | Set default drive (Drive = 'D')
2018-12-17T22:35:36.35381979Z 59 PC: 12a80 | Change current directory
2018-12-17T22:35:36.356495178Z 78 PC: 12ad4 | Find first file
2018-12-17T22:35:36.360749166Z 67 PC: 12ae8 | Get or set file attributes
2018-12-17T22:35:36.368160305Z 67 PC: 12af2 | Get or set file attributes
2018-12-17T22:35:36.7106402Z 61 PC: 12afd | Open file (Filename = 'COMMAND.COM')
2018-12-17T22:35:36.717484677Z 66 PC: 12b10 | Move file pointer
2018-12-17T22:35:36.71986997Z 87 PC: 12b1d | Get or set file date and time
2018-12-17T22:35:36.721730439Z 66 PC: 12b35 | Move file pointer
2018-12-17T22:35:36.723727455Z 63 PC: 12b4b | Read file or device (Read 54645 bytes on handle 5)
2018-12-17T22:35:36.740142891Z 66 PC: 12b67 | Move file pointer
2018-12-17T22:35:36.742615037Z 64 PC: 12b79 | Write file or device (Write 601 bytes on handle 5)
2018-12-17T22:35:36.750590705Z 64 PC: 12b92 | Write file or device (Write 54645 bytes on handle 5)
2018-12-17T22:35:36.781203909Z 87 PC: 12ba2 | Get or set file date and time
2018-12-17T22:35:36.784491795Z 62 PC: 12baa | Close file
2018-12-17T22:35:36.790090115Z 59 PC: 12bb1 | Change current directory
2018-12-17T22:35:36.793023156Z 14 PC: 12bba | Set default drive (Drive = 'A')
2018-12-17T22:35:36.796767157Z 59 PC: 12bc1 | Change current directory
2018-12-17T22:35:36.800404018Z 44 PC: 12bc5 | Get time 0x12bc5: cmp dl, 0x14
0x12bc8: jg 0x12bed
0x12bca: mov ah, 3
0x12bcc: mov bh, 0
0x12bce: int 0x10
0x12bd0: push dx
0x12bd1: mov bh, 0
0x12bd3: mov ah, 2
0x12bd5: mov dh, 0xc
0x12bd7: mov dl, 0x23
0x12bd9: int 0x10
0x12bdb: mov dx, 0x2bb
0x12bde: mov ah, 9
0x12be0: int 0x21
0x12be2: mov bh, 0
0x12be4: mov ah, 2
0x12be6: pop dx
0x12be7: int 0x10
0x12be9: mov ah, 8
0x12beb: int 0x21