Sample viewer

vx.netlux.org/Virus.DOS.Datacrime.1480

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:50:30.747756298Z 26 PC: 12c9b | Set disk transfer address
2018-12-17T22:50:30.749492257Z 42 PC: 12d60 | Get date 0x12d60: cmp word ptr cs:[si + 0x1b4], dx
0x12d65: jl 0x12d6a
0x12d67: jmp 0x12de8
0x12d69: nop
0x12d6a: cmp al, byte ptr cs:[si + 0x1ae]
0x12d6f: jne 0x12d74
0x12d71: jmp 0x12de8
0x12d73: nop
0x12d74: lea bx, word ptr [si + 0x28f]
0x12d78: mov cx, 0x19
0x12d7b: mov dl, byte ptr cs:[bx]
0x12d7e: xor dl, 0x55
0x12d81: mov ah, 2
0x12d83: int 0x21
0x12d85: inc bx
0x12d86: loop 0x12d7b
0x12d88: lea bx, word ptr [si + 0x6c8]
0x12d8c: mov ax, 0x100
0x12d8f: xor cx, cx
0x12d91: mov word ptr cs:[bx], ax
2018-12-17T22:50:30.753328058Z 25 PC: 12dec | Get default drive
2018-12-17T22:50:30.754972703Z 71 PC: 12dfc | Get current directory
2018-12-17T22:50:30.75861152Z 14 PC: 12e3c | Set default drive (Drive = 'C')
2018-12-17T22:50:30.761545645Z 71 PC: 12e47 | Get current directory
2018-12-17T22:50:30.76461171Z 78 PC: 12f83 | Find first file
2018-12-17T22:50:30.771006076Z 78 PC: 12fa1 | Find first file
2018-12-17T22:50:30.785549778Z 47 PC: 12fba | Get disk transfer address
2018-12-17T22:50:30.786974559Z 47 PC: 12fcb | Get disk transfer address
2018-12-17T22:50:30.788430911Z 47 PC: 12ffd | Get disk transfer address
2018-12-17T22:50:30.79063099Z 47 PC: 1311d | Get disk transfer address
2018-12-17T22:50:30.792658883Z 67 PC: 13127 | Get or set file attributes
2018-12-17T22:50:30.799210452Z 67 PC: 13137 | Get or set file attributes
2018-12-17T22:50:31.147999205Z 61 PC: 1300e | Open file (Filename = 'COMMAND.COM')
2018-12-17T22:50:31.155591117Z 63 PC: 1301d | Read file or device (Read 28 bytes on handle 5)
2018-12-17T22:50:31.158882433Z 66 PC: 130d1 | Move file pointer
2018-12-17T22:50:31.161263976Z 64 PC: 1325a | Write file or device (Write 1480 bytes on handle 5)
2018-12-17T22:50:31.173798029Z 66 PC: 130dd | Move file pointer
2018-12-17T22:50:31.175921274Z 47 PC: 130e3 | Get disk transfer address
2018-12-17T22:50:31.17780829Z 64 PC: 130fe | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:50:31.181904125Z 87 PC: 13105 | Get or set file date and time
2018-12-17T22:50:31.184286907Z 62 PC: 13109 | Close file
2018-12-17T22:50:31.192245748Z 47 PC: 13143 | Get disk transfer address
2018-12-17T22:50:31.195303684Z 67 PC: 1314d | Get or set file attributes
2018-12-17T22:50:31.205453695Z 59 PC: 13114 | Change current directory
2018-12-17T22:50:31.211304531Z 14 PC: 13159 | Set default drive (Drive = 'A')
2018-12-17T22:50:31.217603159Z 59 PC: 13161 | Change current directory
2018-12-17T22:50:31.230003508Z 26 PC: 1316d | Set disk transfer address
2018-12-17T22:50:31.231557344Z 9 PC: 12a4a | Display string (Could not find end pointer)
2018-12-17T22:50:31.23831833Z 76 PC: 12a4f | Terminate with return code (Return code = '0')