Sample viewer

vx.netlux.org/Virus.DOS.Mini.233.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:09:33.377348425Z 42 PC: 13214 | Get date 0x13214: cmp al, 5
0x13216: jne 0x1323b
0x13218: cmp dl, 0xd
0x1321b: jne 0x1323b
0x1321d: mov ax, 3
0x13220: int 0x10
0x13222: add di, 0xd3
0x13226: mov si, di
0x13228: mov cx, 0xa
0x1322b: lodsb al, byte ptr [si]
0x1322c: mov bx, 0x18f
0x1322f: mov ah, 0xe
0x13231: xor al, 0x55
0x13233: int 0xbf
0x13235: loop 0x1322b
0x13237: int 0x10
0x13239: jmp 0x13237
0x1323b: push di
0x1323c: add di, 0xe3
0x13240: mov si, di
2018-12-17T22:09:33.379452226Z 47 PC: 1324f | Get disk transfer address
2018-12-17T22:09:33.380472836Z 78 PC: 1325a | Find first file
2018-12-17T22:09:33.384220688Z 61 PC: 13279 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:09:33.391463586Z 66 PC: 13286 | Move file pointer
2018-12-17T22:09:33.393214832Z 63 PC: 13292 | Read file or device (Read 6 bytes on handle 5)
2018-12-17T22:09:33.399570498Z 66 PC: 1329b | Move file pointer
2018-12-17T22:09:33.40095923Z 64 PC: 132a5 | Write file or device (Write 233 bytes on handle 5)
2018-12-17T22:09:33.415036327Z 66 PC: 132c5 | Move file pointer
2018-12-17T22:09:33.416260777Z 64 PC: 132ce | Write file or device (Write 6 bytes on handle 5)
2018-12-17T22:09:33.422536329Z 87 PC: 132d5 | Get or set file date and time
2018-12-17T22:09:33.424360264Z 62 PC: 132d9 | Close file

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":2187,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:45:05.57659618Z 42 PC: 13214 | Get date 0x13214: cmp al, 5
0x13216: jne 0x1323b
0x13218: cmp dl, 0xd
0x1321b: jne 0x1323b
0x1321d: mov ax, 3
0x13220: int 0x10
0x13222: add di, 0xd3
0x13226: mov si, di
0x13228: mov cx, 0xa
0x1322b: lodsb al, byte ptr [si]
0x1322c: mov bx, 0x18f
0x1322f: mov ah, 0xe
0x13231: xor al, 0x55
0x13233: int 0xbf
0x13235: loop 0x1322b
0x13237: int 0x10
0x13239: jmp 0x13237
0x1323b: push di
0x1323c: add di, 0xe3
0x13240: mov si, di
2018-12-25T11:45:05.580247295Z 47 PC: 1324f | Get disk transfer address
2018-12-25T11:45:05.581746573Z 78 PC: 1325a | Find first file
2018-12-25T11:45:05.588084529Z 61 PC: 13279 | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:45:05.594926752Z 66 PC: 13286 | Move file pointer
2018-12-25T11:45:05.597419052Z 63 PC: 13292 | Read file or device (Read 6 bytes on handle 5)
2018-12-25T11:45:05.610619759Z 66 PC: 1329b | Move file pointer
2018-12-25T11:45:05.612392489Z 64 PC: 132a5 | Write file or device (Write 233 bytes on handle 5)
2018-12-25T11:45:05.625630073Z 66 PC: 132c5 | Move file pointer
2018-12-25T11:45:05.627076435Z 64 PC: 132ce | Write file or device (Write 6 bytes on handle 5)
2018-12-25T11:45:05.633779988Z 87 PC: 132d5 | Get or set file date and time
2018-12-25T11:45:05.636791307Z 62 PC: 132d9 | Close file

{"DateBased":true,"Day":4,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":2187,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:45:05.644165661Z 42 PC: 13214 | Get date 0x13214: cmp al, 5
0x13216: jne 0x1323b
0x13218: cmp dl, 0xd
0x1321b: jne 0x1323b
0x1321d: mov ax, 3
0x13220: int 0x10
0x13222: add di, 0xd3
0x13226: mov si, di
0x13228: mov cx, 0xa
0x1322b: lodsb al, byte ptr [si]
0x1322c: mov bx, 0x18f
0x1322f: mov ah, 0xe
0x13231: xor al, 0x55
0x13233: int 0xbf
0x13235: loop 0x1322b
0x13237: int 0x10
0x13239: jmp 0x13237
0x1323b: push di
0x1323c: add di, 0xe3
0x13240: mov si, di
2018-12-25T11:45:05.648598077Z 47 PC: 1324f | Get disk transfer address
2018-12-25T11:45:05.649668918Z 78 PC: 1325a | Find first file
2018-12-25T11:45:05.655544187Z 61 PC: 13279 | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:45:05.663346346Z 66 PC: 13286 | Move file pointer
2018-12-25T11:45:05.66544964Z 63 PC: 13292 | Read file or device (Read 6 bytes on handle 5)
2018-12-25T11:45:05.672045609Z 66 PC: 1329b | Move file pointer
2018-12-25T11:45:05.678957626Z 64 PC: 132a5 | Write file or device (Write 233 bytes on handle 5)
2018-12-25T11:45:05.692434821Z 66 PC: 132c5 | Move file pointer
2018-12-25T11:45:05.693927769Z 64 PC: 132ce | Write file or device (Write 6 bytes on handle 5)
2018-12-25T11:45:05.701184935Z 87 PC: 132d5 | Get or set file date and time
2018-12-25T11:45:05.707802945Z 62 PC: 132d9 | Close file

{"DateBased":true,"Day":13,"Month":6,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":2187,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:45:06.873448829Z 42 PC: 13214 | Get date 0x13214: cmp al, 5
0x13216: jne 0x1323b
0x13218: cmp dl, 0xd
0x1321b: jne 0x1323b
0x1321d: mov ax, 3
0x13220: int 0x10
0x13222: add di, 0xd3
0x13226: mov si, di
0x13228: mov cx, 0xa
0x1322b: lodsb al, byte ptr [si]
0x1322c: mov bx, 0x18f
0x1322f: mov ah, 0xe
0x13231: xor al, 0x55
0x13233: int 0xbf
0x13235: loop 0x1322b
0x13237: int 0x10
0x13239: jmp 0x13237
0x1323b: push di
0x1323c: add di, 0xe3
0x13240: mov si, di