Sample viewer

vx.netlux.org/Virus.DOS.Internal.1381

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:08:28.499384436Z 42 PC: 12f6c | Get date 0x12f6c: mov ax, cx
0x12f6e: mov cx, dx
0x12f70: sub ax, 0x7bc
0x12f73: mov bx, 0x16d
0x12f76: mul bx
0x12f78: mov dx, ax
0x12f7a: mov al, ch
0x12f7c: mov bl, 0x1e
0x12f7e: mul bl
0x12f80: add ax, dx
0x12f82: mov ch, 0
0x12f84: add ax, cx
0x12f86: cmp ax, word ptr [0x25]
0x12f8a: mov bl, 0
0x12f8c: jbe 0x12f90
0x12f8e: mov bl, 1
0x12f90: mov byte ptr [0xaf], bl
0x12f94: add ax, 0x5a
0x12f97: mov word ptr [0x25], ax
0x12f9a: ret
2018-12-17T23:08:28.502231888Z 98 PC: 12f43 | Get current PSP
2018-12-17T23:08:28.50430254Z 67 PC: 12dd7 | Get or set file attributes
2018-12-17T23:08:28.51087851Z 67 PC: 12de3 | Get or set file attributes
2018-12-17T23:08:28.530149381Z 61 PC: 12de8 | Open file (Filename = 't.4ex-e �')
2018-12-17T23:08:28.538185827Z 87 PC: 12df6 | Get or set file date and time
2018-12-17T23:08:28.540361055Z 64 PC: 12e0d | Write file or device (Write 28 bytes on handle 5)
2018-12-17T23:08:28.543940784Z 66 PC: 12e20 | Move file pointer
2018-12-17T23:08:28.546425825Z 64 PC: 12e2d | Write file or device (Write 0 bytes on handle 5)
2018-12-17T23:08:28.558352702Z 87 PC: 12e3e | Get or set file date and time
2018-12-17T23:08:28.560470182Z 62 PC: 12e46 | Close file
2018-12-17T23:08:28.568559116Z 67 PC: 12e55 | Get or set file attributes
2018-12-17T23:08:28.58825699Z 9 PC: 12f3c | Display string (Could not find end pointer)
2018-12-17T23:08:28.596699929Z 76 PC: 12b22 | Terminate with return code (Return code = '0')