Sample viewer

vx.netlux.org/Virus.DOS.Tranquilo.568

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:15:28.226566554Z 9 PC: 12aef | Display string (String= 'Upgrade Commander v2.9 Copyright (c) 1994 Infiltrator ')
2018-12-17T23:15:28.229659935Z 67 PC: 12af7 | Get or set file attributes
2018-12-17T23:15:28.233208837Z 67 PC: 12b04 | Get or set file attributes
2018-12-17T23:15:30.401966562Z 61 PC: 12b09 | Open file (Filename = 'c:\command.com')
2018-12-17T23:15:30.410089406Z 87 PC: 12b15 | Get or set file date and time
2018-12-17T23:15:30.411734003Z 66 PC: 12b2a | Move file pointer
2018-12-17T23:15:30.413098526Z 66 PC: 12b3e | Move file pointer
2018-12-17T23:15:30.414476714Z 63 PC: 12b48 | Read file or device (Read 10 bytes on handle 5)
2018-12-17T23:15:30.418092651Z 66 PC: 12b6c | Move file pointer
2018-12-17T23:15:30.419457617Z 63 PC: 12b76 | Read file or device (Read 2 bytes on handle 5)
2018-12-17T23:15:30.422152444Z 66 PC: 12b8e | Move file pointer
2018-12-17T23:15:30.424174002Z 64 PC: 12b9d | Write file or device (Write 2 bytes on handle 5)
2018-12-17T23:15:30.427148351Z 42 PC: 12ba1 | Get date 0x12ba1: add dl, 7
0x12ba4: cmp dl, 0x1f
0x12ba7: jbe 0x12bb6
0x12ba9: sub dl, 0x1f
0x12bac: inc dh
0x12bae: cmp dh, 0xc
0x12bb1: jbe 0x12bb6
0x12bb3: inc cx
0x12bb4: mov dh, 1
0x12bb6: mov word ptr [0x2a3], cx
0x12bba: mov byte ptr [0x2a5], dh
0x12bbe: mov byte ptr [0x2a6], dl
0x12bc2: mov ax, 0x4200
0x12bc5: mov cx, 0
0x12bc8: add word ptr [0x179], 3
0x12bcd: mov dx, word ptr [0x179]
0x12bd1: int 0x21
0x12bd3: mov ah, 0x40
0x12bd5: mov cx, 0xc2
0x12bd8: mov dx, 0x2a0
2018-12-17T23:15:30.429533308Z 66 PC: 12bd3 | Move file pointer
2018-12-17T23:15:30.431456816Z 64 PC: 12bdd | Write file or device (Write 194 bytes on handle 5)
2018-12-17T23:15:30.434739642Z 9 PC: 12ca9 | Display string (String= ' Command.com successfully upgraded! ')
2018-12-17T23:15:30.440565841Z 87 PC: 12cb6 | Get or set file date and time
2018-12-17T23:15:30.442865063Z 62 PC: 12cbe | Close file
2018-12-17T23:15:30.51383638Z 67 PC: 12cca | Get or set file attributes
2018-12-17T23:15:30.525384078Z 76 PC: 12ccf | Terminate with return code (Return code = '0')