Sample viewer

vx.netlux.org/Virus.DOS.Garfio.1000.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:59:44.805276378Z 250 PC: 12a68 | UNKNOWN!
2018-12-17T22:59:44.806917435Z 42 PC: 12c19 | Get date 0x12c19: cmp dl, 0xa
0x12c1c: jne 0x12c2a
0x12c1e: mov ah, 9
0x12c20: lea dx, word ptr [bp + 0x137]
0x12c24: int 0x21
0x12c26: mov ah, 0x4c
0x12c28: int 0x21
0x12c2a: cld
0x12c2b: mov di, 0x100
0x12c2e: mov cx, 4
0x12c31: lea si, word ptr [bp + 0x2ad]
0x12c35: rep movsb byte ptr es:[di], byte ptr [si]
0x12c37: mov ax, 0x4e00
0x12c3a: mov cx, 0x27
0x12c3d: lea dx, word ptr [bp + 0x2b1]
0x12c41: int 0x21
0x12c43: jae 0x12c57
0x12c45: mov di, 0x80
0x12c48: mov cx, 0x2b
0x12c4b: lea si, word ptr [bp + 0x27e]
2018-12-17T22:59:44.80915958Z 78 PC: 12c43 | Find first file
2018-12-17T22:59:44.815082272Z 67 PC: 12c62 | Get or set file attributes
2018-12-17T22:59:44.821793808Z 67 PC: 12c7d | Get or set file attributes
2018-12-17T22:59:44.840779235Z 61 PC: 12c85 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:59:44.847574168Z 63 PC: 12c94 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:59:44.854102332Z 66 PC: 12cd3 | Move file pointer
2018-12-17T22:59:44.855617251Z 64 PC: 12ce0 | Write file or device (Write 1 bytes on handle 5)
2018-12-17T22:59:44.858197403Z 64 PC: 12cff | Write file or device (Write 2 bytes on handle 5)
2018-12-17T22:59:44.860650949Z 64 PC: 12d0c | Write file or device (Write 2 bytes on handle 5)
2018-12-17T22:59:44.864760411Z 66 PC: 12d19 | Move file pointer
2018-12-17T22:59:44.866560322Z 64 PC: 12d3e | Write file or device (Write 1000 bytes on handle 5)
2018-12-17T22:59:44.875201113Z 87 PC: 12d4b | Get or set file date and time
2018-12-17T22:59:44.87819309Z 62 PC: 12d4f | Close file
2018-12-17T22:59:44.886170256Z 67 PC: 12d5c | Get or set file attributes
2018-12-17T22:59:44.888717788Z 67 PC: 12d67 | Get or set file attributes
2018-12-17T22:59:44.894835963Z 65 PC: 12d6b | Delete file (Filename = 'CHKLIST.MS')
2018-12-17T22:59:44.90097356Z 67 PC: 12d73 | Get or set file attributes
2018-12-17T22:59:44.912054608Z 67 PC: 12d82 | Get or set file attributes
2018-12-17T22:59:44.918080728Z 61 PC: 12d8a | Open file (Filename = 'ANTI-VIR.DAT')
2018-12-17T22:59:44.924406079Z 76 PC: 12a4a | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":13307,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:37:59.628291101Z 250 PC: 12a68 | UNKNOWN!
2018-12-25T12:37:59.630626113Z 42 PC: 12c19 | Get date 0x12c19: cmp dl, 0xa
0x12c1c: jne 0x12c2a
0x12c1e: mov ah, 9
0x12c20: lea dx, word ptr [bp + 0x137]
0x12c24: int 0x21
0x12c26: mov ah, 0x4c
0x12c28: int 0x21
0x12c2a: cld
0x12c2b: mov di, 0x100
0x12c2e: mov cx, 4
0x12c31: lea si, word ptr [bp + 0x2ad]
0x12c35: rep movsb byte ptr es:[di], byte ptr [si]
0x12c37: mov ax, 0x4e00
0x12c3a: mov cx, 0x27
0x12c3d: lea dx, word ptr [bp + 0x2b1]
0x12c41: int 0x21
0x12c43: jae 0x12c57
0x12c45: mov di, 0x80
0x12c48: mov cx, 0x2b
0x12c4b: lea si, word ptr [bp + 0x27e]
2018-12-25T12:37:59.633220067Z 78 PC: 12c43 | Find first file
2018-12-25T12:37:59.639636595Z 67 PC: 12c62 | Get or set file attributes
2018-12-25T12:37:59.64632144Z 67 PC: 12c7d | Get or set file attributes
2018-12-25T12:37:59.73585084Z 61 PC: 12c85 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:37:59.743565968Z 63 PC: 12c94 | Read file or device (Read 4 bytes on handle 5)
2018-12-25T12:37:59.751130662Z 66 PC: 12cd3 | Move file pointer
2018-12-25T12:37:59.754164835Z 64 PC: 12ce0 | Write file or device (Write 1 bytes on handle 5)
2018-12-25T12:37:59.757765888Z 64 PC: 12cff | Write file or device (Write 2 bytes on handle 5)
2018-12-25T12:37:59.761122836Z 64 PC: 12d0c | Write file or device (Write 2 bytes on handle 5)
2018-12-25T12:37:59.765261726Z 66 PC: 12d19 | Move file pointer
2018-12-25T12:37:59.767330789Z 64 PC: 12d3e | Write file or device (Write 1000 bytes on handle 5)
2018-12-25T12:37:59.777743271Z 87 PC: 12d4b | Get or set file date and time
2018-12-25T12:37:59.780293156Z 62 PC: 12d4f | Close file
2018-12-25T12:37:59.789631402Z 67 PC: 12d5c | Get or set file attributes
2018-12-25T12:37:59.791830347Z 67 PC: 12d67 | Get or set file attributes
2018-12-25T12:37:59.798897883Z 65 PC: 12d6b | Delete file (Filename = 'CHKLIST.MS')
2018-12-25T12:37:59.806495626Z 67 PC: 12d73 | Get or set file attributes
2018-12-25T12:37:59.813551199Z 67 PC: 12d82 | Get or set file attributes
2018-12-25T12:37:59.828302197Z 61 PC: 12d8a | Open file (Filename = 'ANTI-VIR.DAT')
2018-12-25T12:37:59.8478408Z 76 PC: 12a4a | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":10,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":13307,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:37:59.710000457Z 250 PC: 12a68 | UNKNOWN!
2018-12-25T12:37:59.71111572Z 42 PC: 12c19 | Get date 0x12c19: cmp dl, 0xa
0x12c1c: jne 0x12c2a
0x12c1e: mov ah, 9
0x12c20: lea dx, word ptr [bp + 0x137]
0x12c24: int 0x21
0x12c26: mov ah, 0x4c
0x12c28: int 0x21
0x12c2a: cld
0x12c2b: mov di, 0x100
0x12c2e: mov cx, 4
0x12c31: lea si, word ptr [bp + 0x2ad]
0x12c35: rep movsb byte ptr es:[di], byte ptr [si]
0x12c37: mov ax, 0x4e00
0x12c3a: mov cx, 0x27
0x12c3d: lea dx, word ptr [bp + 0x2b1]
0x12c41: int 0x21
0x12c43: jae 0x12c57
0x12c45: mov di, 0x80
0x12c48: mov cx, 0x2b
0x12c4b: lea si, word ptr [bp + 0x27e]
2018-12-25T12:37:59.713500754Z 9 PC: 12c26 | Display string (Could not find end pointer)
2018-12-25T12:37:59.728945115Z 76 PC: 12c2a | Terminate with return code (Return code = '36')