Sample viewer

vx.netlux.org/Virus.DOS.BadCOM.557

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:05:39.805793536Z 44 PC: 19fac | Get time 0x19fac: cmp ch, 0x1a
0x19faf: jne 0x19fb3
0x19fb1: int 0x19
0x19fb3: mov ah, 0x1a
0x19fb5: mov dx, 0x337
0x19fb8: pop cx
0x19fb9: add dx, cx
0x19fbb: push cx
0x19fbc: int 0x21
0x19fbe: mov ax, 0x3d00
0x19fc1: mov dx, 0x31a
0x19fc4: pop cx
0x19fc5: add dx, cx
0x19fc7: push cx
0x19fc8: int 0x21
0x19fca: jb 0x19fef
0x19fcc: mov bx, ax
0x19fce: mov ah, 0x3f
0x19fd0: mov dx, 0x301
0x19fd3: pop cx
2018-12-17T23:05:39.808365873Z 26 PC: 19fbe | Set disk transfer address
2018-12-17T23:05:39.809747762Z 61 PC: 19fca | Open file (Filename = '\command.com')
2018-12-17T23:05:39.815002682Z 78 PC: 19fff | Find first file
2018-12-17T23:05:39.820550694Z 61 PC: 1a02a | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:05:39.826013126Z 63 PC: 1a03c | Read file or device (Read 6 bytes on handle 5)
2018-12-17T23:05:39.832777956Z 62 PC: 1a040 | Close file
2018-12-17T23:05:39.835239855Z 67 PC: 1a0a8 | Get or set file attributes
2018-12-17T23:05:39.852895894Z 61 PC: 1a0af | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:05:39.865883826Z 87 PC: 1a0d5 | Get or set file date and time
2018-12-17T23:05:39.867611394Z 66 PC: 1a0e3 | Move file pointer
2018-12-17T23:05:39.869659095Z 64 PC: 1a120 | Write file or device (Write 557 bytes on handle 5)
2018-12-17T23:05:39.879275296Z 66 PC: 1a13a | Move file pointer
2018-12-17T23:05:39.880959733Z 64 PC: 1a148 | Write file or device (Write 6 bytes on handle 5)
2018-12-17T23:05:39.888916965Z 87 PC: 1a152 | Get or set file date and time
2018-12-17T23:05:39.890830023Z 62 PC: 1a156 | Close file
2018-12-17T23:05:39.899370732Z 26 PC: 1a164 | Set disk transfer address
2018-12-17T23:05:39.902218968Z 76 PC: 12a45 | Terminate with return code (Return code = '0')