Sample viewer

vx.netlux.org/Virus.DOS.Riot.Keyb.757

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:55:36.526540522Z 136 PC: 13dd9 | UNKNOWN!
2018-12-17T22:55:36.529587643Z 42 PC: 13de6 | Get date 0x13de6: cmp dl, 0x11
0x13de9: jne 0x13e29
0x13deb: mov cx, 0xf
0x13dee: lea si, word ptr [bp + 0x388]
0x13df2: inc byte ptr [si]
0x13df4: inc si
0x13df5: loop 0x13df2
0x13df7: mov ah, 0x3c
0x13df9: xor cx, cx
0x13dfb: lea dx, word ptr [bp + 0x388]
0x13dff: int 0x21
0x13e01: xchg ax, bx
0x13e02: mov ah, 0x2c
0x13e04: int 0x21
0x13e06: cmp dl, 0x31
0x13e09: jb 0x13e1c
0x13e0b: mov ah, 0x40
0x13e0d: mov cx, 0x51
0x13e10: lea dx, word ptr [bp + 0x398]
0x13e14: int 0x21
2018-12-17T22:55:36.532800285Z 60 PC: 13e01 | Create or truncate file
2018-12-17T22:55:36.879805486Z 44 PC: 13e06 | Get time 0x13e06: cmp dl, 0x31
0x13e09: jb 0x13e1c
0x13e0b: mov ah, 0x40
0x13e0d: mov cx, 0x51
0x13e10: lea dx, word ptr [bp + 0x398]
0x13e14: int 0x21
0x13e16: mov ah, 0x3e
0x13e18: int 0x21
0x13e1a: jmp 0x13e84
0x13e1c: mov ah, 0x40
0x13e1e: mov cx, 0x41
0x13e21: lea dx, word ptr [bp + 0x347]
0x13e25: int 0x21
0x13e27: jmp 0x13e16
0x13e29: mov ah, 0x4a
0x13e2b: mov bx, 0xffff
0x13e2e: int 0x21
0x13e30: sub bx, 0x31
0x13e33: nop
0x13e34: mov ah, 0x4a
2018-12-17T22:55:36.882293705Z 64 PC: 13e16 | Write file or device (Write 81 bytes on handle 5)
2018-12-17T22:55:36.887231552Z 62 PC: 13e1a | Close file
2018-12-17T22:55:36.894357423Z 9 PC: 13dc6 | Display string (String= 'CDEFG-This is a 5000 byte COM test, 1994 ')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":11943,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:31:36.97253037Z 136 PC: 13dd9 | UNKNOWN!
2018-12-25T12:31:36.973969241Z 42 PC: 13de6 | Get date 0x13de6: cmp dl, 0x11
0x13de9: jne 0x13e29
0x13deb: mov cx, 0xf
0x13dee: lea si, word ptr [bp + 0x388]
0x13df2: inc byte ptr [si]
0x13df4: inc si
0x13df5: loop 0x13df2
0x13df7: mov ah, 0x3c
0x13df9: xor cx, cx
0x13dfb: lea dx, word ptr [bp + 0x388]
0x13dff: int 0x21
0x13e01: xchg ax, bx
0x13e02: mov ah, 0x2c
0x13e04: int 0x21
0x13e06: cmp dl, 0x31
0x13e09: jb 0x13e1c
0x13e0b: mov ah, 0x40
0x13e0d: mov cx, 0x51
0x13e10: lea dx, word ptr [bp + 0x398]
0x13e14: int 0x21
2018-12-25T12:31:36.976312619Z 74 PC: 13e30 | Reallocate memory
2018-12-25T12:31:36.978059988Z 74 PC: 13e38 | Reallocate memory
2018-12-25T12:31:36.980352371Z 72 PC: 13e3f | Allocate memory
2018-12-25T12:31:36.982109254Z 9 PC: 13dc6 | Display string (String= 'CDEFG-This is a 5000 byte COM test, 1994 ')

{"DateBased":true,"Day":17,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":11943,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T13:07:19.300159697Z 136 PC: 13dd9 | UNKNOWN!
2018-12-25T13:07:19.301698121Z 42 PC: 13de6 | Get date 0x13de6: cmp dl, 0x11
0x13de9: jne 0x13e29
0x13deb: mov cx, 0xf
0x13dee: lea si, word ptr [bp + 0x388]
0x13df2: inc byte ptr [si]
0x13df4: inc si
0x13df5: loop 0x13df2
0x13df7: mov ah, 0x3c
0x13df9: xor cx, cx
0x13dfb: lea dx, word ptr [bp + 0x388]
0x13dff: int 0x21
0x13e01: xchg ax, bx
0x13e02: mov ah, 0x2c
0x13e04: int 0x21
0x13e06: cmp dl, 0x31
0x13e09: jb 0x13e1c
0x13e0b: mov ah, 0x40
0x13e0d: mov cx, 0x51
0x13e10: lea dx, word ptr [bp + 0x398]
0x13e14: int 0x21
2018-12-25T13:07:19.304411369Z 60 PC: 13e01 | Create or truncate file
2018-12-25T13:07:21.050006853Z 44 PC: 13e06 | Get time 0x13e06: cmp dl, 0x31
0x13e09: jb 0x13e1c
0x13e0b: mov ah, 0x40
0x13e0d: mov cx, 0x51
0x13e10: lea dx, word ptr [bp + 0x398]
0x13e14: int 0x21
0x13e16: mov ah, 0x3e
0x13e18: int 0x21
0x13e1a: jmp 0x13e84
0x13e1c: mov ah, 0x40
0x13e1e: mov cx, 0x41
0x13e21: lea dx, word ptr [bp + 0x347]
0x13e25: int 0x21
0x13e27: jmp 0x13e16
0x13e29: mov ah, 0x4a
0x13e2b: mov bx, 0xffff
0x13e2e: int 0x21
0x13e30: sub bx, 0x31
0x13e33: nop
0x13e34: mov ah, 0x4a
2018-12-25T13:07:21.0710409Z 64 PC: 13e16 | Write file or device (Write 81 bytes on handle 5)
2018-12-25T13:07:21.076878295Z 62 PC: 13e1a | Close file
2018-12-25T13:07:21.112846092Z 9 PC: 13dc6 | Display string (String= 'CDEFG-This is a 5000 byte COM test, 1994 ')