Sample viewer

vx.netlux.org/Virus.DOS.Small.411

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:10:37.971408324Z 47 PC: 12a4c | Get disk transfer address
2018-12-17T22:10:37.973442098Z 26 PC: 12a5c | Set disk transfer address
2018-12-17T22:10:37.9772636Z 78 PC: 12a69 | Find first file
2018-12-17T22:10:37.999069102Z 61 PC: 12aaa | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:10:38.009235041Z 63 PC: 12ab8 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:10:38.016004082Z 66 PC: 12ad1 | Move file pointer
2018-12-17T22:10:38.017717068Z 87 PC: 12ae1 | Get or set file date and time
2018-12-17T22:10:38.019329865Z 64 PC: 12aec | Write file or device (Write 411 bytes on handle 5)
2018-12-17T22:10:38.035583639Z 66 PC: 12b05 | Move file pointer
2018-12-17T22:10:38.036922373Z 64 PC: 12b12 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:10:38.043986104Z 87 PC: 12b18 | Get or set file date and time
2018-12-17T22:10:38.048125606Z 62 PC: 12b1d | Close file
2018-12-17T22:10:38.055533971Z 79 PC: 12a76 | Find next file
2018-12-17T22:10:38.058084678Z 61 PC: 12aaa | Open file (Filename = 'PRINT.COM')
2018-12-17T22:10:38.065156375Z 63 PC: 12ab8 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:10:38.071279328Z 66 PC: 12ad1 | Move file pointer
2018-12-17T22:10:38.07231962Z 87 PC: 12ae1 | Get or set file date and time
2018-12-17T22:10:38.074034851Z 64 PC: 12aec | Write file or device (Write 411 bytes on handle 5)
2018-12-17T22:10:38.07662344Z 66 PC: 12b05 | Move file pointer
2018-12-17T22:10:38.077919947Z 64 PC: 12b12 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:10:38.080848073Z 87 PC: 12b18 | Get or set file date and time
2018-12-17T22:10:38.082226076Z 62 PC: 12b1d | Close file
2018-12-17T22:10:38.097877906Z 79 PC: 12a76 | Find next file
2018-12-17T22:10:38.101895381Z 61 PC: 12aaa | Open file (Filename = 'HELLO.COM')
2018-12-17T22:10:38.109061037Z 63 PC: 12ab8 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:10:38.115118841Z 66 PC: 12ad1 | Move file pointer
2018-12-17T22:10:38.11665355Z 87 PC: 12ae1 | Get or set file date and time
2018-12-17T22:10:38.11836568Z 64 PC: 12aec | Write file or device (Write 411 bytes on handle 5)
2018-12-17T22:10:38.120819909Z 66 PC: 12b05 | Move file pointer
2018-12-17T22:10:38.122044848Z 64 PC: 12b12 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:10:38.124918694Z 87 PC: 12b18 | Get or set file date and time
2018-12-17T22:10:38.126337523Z 62 PC: 12b1d | Close file
2018-12-17T22:10:38.133431253Z 44 PC: 12a7d | Get time 0x12a7d: cmp dl, 4
0x12a80: ja 0x12a8c
0x12a82: mov ah, 9
0x12a84: lea dx, word ptr [si + 0x12b]
0x12a88: int 0x21
0x12a8a: jmp 0x12a8a
0x12a8c: add si, 0xe6
0x12a90: mov di, 0xff
0x12a93: inc di
0x12a94: push di
0x12a95: cld
0x12a96: movsw word ptr es:[di], word ptr [si]
0x12a97: movsw word ptr es:[di], word ptr [si]
0x12a98: ret
0x12a99: push word ptr [si + 0xe6]
0x12a9d: push word ptr [si + 0xe8]
0x12aa1: mov ax, 0x3d02
0x12aa4: lea dx, word ptr [si + 0x1bd]
0x12aa8: int 0x21
0x12aaa: jb 0x12b1d