Sample viewer

vx.netlux.org/Virus.DOS.Leo.3948

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:40:07.374683838Z 26 PC: 12a6d | Set disk transfer address
2018-12-17T22:40:07.377140312Z 71 PC: 12a77 | Get current directory
2018-12-17T22:40:07.380279358Z 59 PC: 12a80 | Change current directory
2018-12-17T22:40:07.383695474Z 78 PC: 12a8c | Find first file
2018-12-17T22:40:07.389083795Z 79 PC: 12a98 | Find next file
2018-12-17T22:40:07.392439708Z 59 PC: 12aa9 | Change current directory
2018-12-17T22:40:07.398024657Z 47 PC: 12aad | Get disk transfer address
2018-12-17T22:40:07.399156163Z 26 PC: 12abe | Set disk transfer address
2018-12-17T22:40:07.400954771Z 78 PC: 12aca | Find first file
2018-12-17T22:40:07.410599246Z 47 PC: 12af7 | Get disk transfer address
2018-12-17T22:40:07.411907834Z 47 PC: 12b06 | Get disk transfer address
2018-12-17T22:40:07.414603497Z 61 PC: 12b0b | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:40:07.427246353Z 63 PC: 12b1b | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:40:07.4359814Z 66 PC: 12b26 | Move file pointer
2018-12-17T22:40:07.438604878Z 66 PC: 12b3d | Move file pointer
2018-12-17T22:40:07.440441477Z 63 PC: 12b49 | Read file or device (Read 1 bytes on handle 5)
2018-12-17T22:40:07.444707339Z 66 PC: 12b79 | Move file pointer
2018-12-17T22:40:07.447746487Z 64 PC: 12b87 | Write file or device (Write 3948 bytes on handle 5)
2018-12-17T22:40:07.464489966Z 66 PC: 12b90 | Move file pointer
2018-12-17T22:40:07.466618093Z 64 PC: 12b9c | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:40:07.47461346Z 62 PC: 12ba0 | Close file
2018-12-17T22:40:07.486408845Z 42 PC: 12ba4 | Get date 0x12ba4: cmp dh, 0xc
0x12ba7: jne 0x12bc3
0x12ba9: cmp dl, 0x1f
0x12bac: jne 0x12bc3
0x12bae: mov si, 0x191
0x12bb1: add si, bp
0x12bb3: mov ax, 0xb800
0x12bb6: mov es, ax
0x12bb8: xor di, di
0x12bba: mov cx, 0x690
0x12bbd: rep movsd dword ptr es:[di], dword ptr [si]
0x12bbf: mov ah, 1
0x12bc1: int 0x21
0x12bc3: mov ah, 0x3b
0x12bc5: mov dx, 0xf4a
0x12bc8: add dx, bp
0x12bca: int 0x21
0x12bcc: mov ah, 0x3b
0x12bce: mov dx, word ptr [bp + 0xeb1]
0x12bd2: int 0x21
2018-12-17T22:40:07.4904689Z 59 PC: 12bcc | Change current directory
2018-12-17T22:40:07.496576572Z 59 PC: 12bd4 | Change current directory

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":6930,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:00:40.226220346Z 26 PC: 12a6d | Set disk transfer address
2018-12-25T12:00:40.228161787Z 71 PC: 12a77 | Get current directory
2018-12-25T12:00:40.231171785Z 59 PC: 12a80 | Change current directory
2018-12-25T12:00:40.235195784Z 78 PC: 12a8c | Find first file
2018-12-25T12:00:40.242116261Z 79 PC: 12a98 | Find next file
2018-12-25T12:00:40.244616189Z 59 PC: 12aa9 | Change current directory
2018-12-25T12:00:40.25029762Z 47 PC: 12aad | Get disk transfer address
2018-12-25T12:00:40.252283927Z 26 PC: 12abe | Set disk transfer address
2018-12-25T12:00:40.253595409Z 78 PC: 12aca | Find first file
2018-12-25T12:00:40.263479836Z 47 PC: 12af7 | Get disk transfer address
2018-12-25T12:00:40.264940278Z 47 PC: 12b06 | Get disk transfer address
2018-12-25T12:00:40.265923067Z 61 PC: 12b0b | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:00:40.276891855Z 63 PC: 12b1b | Read file or device (Read 3 bytes on handle 5)
2018-12-25T12:00:40.284309455Z 66 PC: 12b26 | Move file pointer
2018-12-25T12:00:40.285669988Z 66 PC: 12b3d | Move file pointer
2018-12-25T12:00:40.286968488Z 63 PC: 12b49 | Read file or device (Read 1 bytes on handle 5)
2018-12-25T12:00:40.290222905Z 66 PC: 12b79 | Move file pointer
2018-12-25T12:00:40.291885239Z 64 PC: 12b87 | Write file or device (Write 3948 bytes on handle 5)
2018-12-25T12:00:40.49687255Z 66 PC: 12b90 | Move file pointer
2018-12-25T12:00:40.499594897Z 64 PC: 12b9c | Write file or device (Write 3 bytes on handle 5)
2018-12-25T12:00:40.507734447Z 62 PC: 12ba0 | Close file
2018-12-25T12:00:40.516142326Z 42 PC: 12ba4 | Get date 0x12ba4: cmp dh, 0xc
0x12ba7: jne 0x12bc3
0x12ba9: cmp dl, 0x1f
0x12bac: jne 0x12bc3
0x12bae: mov si, 0x191
0x12bb1: add si, bp
0x12bb3: mov ax, 0xb800
0x12bb6: mov es, ax
0x12bb8: xor di, di
0x12bba: mov cx, 0x690
0x12bbd: rep movsd dword ptr es:[di], dword ptr [si]
0x12bbf: mov ah, 1
0x12bc1: int 0x21
0x12bc3: mov ah, 0x3b
0x12bc5: mov dx, 0xf4a
0x12bc8: add dx, bp
0x12bca: int 0x21
0x12bcc: mov ah, 0x3b
0x12bce: mov dx, word ptr [bp + 0xeb1]
0x12bd2: int 0x21
2018-12-25T12:00:40.518708938Z 59 PC: 12bcc | Change current directory
2018-12-25T12:00:40.524766656Z 59 PC: 12bd4 | Change current directory

{"DateBased":true,"Day":1,"Month":12,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":6930,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:00:40.224219317Z 26 PC: 12a6d | Set disk transfer address
2018-12-25T12:00:40.225673231Z 71 PC: 12a77 | Get current directory
2018-12-25T12:00:40.227540752Z 59 PC: 12a80 | Change current directory
2018-12-25T12:00:40.230146303Z 78 PC: 12a8c | Find first file
2018-12-25T12:00:40.234018399Z 79 PC: 12a98 | Find next file
2018-12-25T12:00:40.236045808Z 59 PC: 12aa9 | Change current directory
2018-12-25T12:00:40.242154678Z 47 PC: 12aad | Get disk transfer address
2018-12-25T12:00:40.243644173Z 26 PC: 12abe | Set disk transfer address
2018-12-25T12:00:40.245560264Z 78 PC: 12aca | Find first file
2018-12-25T12:00:40.257137194Z 47 PC: 12af7 | Get disk transfer address
2018-12-25T12:00:40.258562034Z 47 PC: 12b06 | Get disk transfer address
2018-12-25T12:00:40.260499003Z 61 PC: 12b0b | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:00:40.271934375Z 63 PC: 12b1b | Read file or device (Read 3 bytes on handle 5)
2018-12-25T12:00:40.278246391Z 66 PC: 12b26 | Move file pointer
2018-12-25T12:00:40.2805605Z 66 PC: 12b3d | Move file pointer
2018-12-25T12:00:40.282116042Z 63 PC: 12b49 | Read file or device (Read 1 bytes on handle 5)
2018-12-25T12:00:40.285489462Z 66 PC: 12b79 | Move file pointer
2018-12-25T12:00:40.287661967Z 64 PC: 12b87 | Write file or device (Write 3948 bytes on handle 5)
2018-12-25T12:00:40.495924161Z 66 PC: 12b90 | Move file pointer
2018-12-25T12:00:40.498464723Z 64 PC: 12b9c | Write file or device (Write 3 bytes on handle 5)
2018-12-25T12:00:40.505390754Z 62 PC: 12ba0 | Close file
2018-12-25T12:00:40.513564033Z 42 PC: 12ba4 | Get date 0x12ba4: cmp dh, 0xc
0x12ba7: jne 0x12bc3
0x12ba9: cmp dl, 0x1f
0x12bac: jne 0x12bc3
0x12bae: mov si, 0x191
0x12bb1: add si, bp
0x12bb3: mov ax, 0xb800
0x12bb6: mov es, ax
0x12bb8: xor di, di
0x12bba: mov cx, 0x690
0x12bbd: rep movsd dword ptr es:[di], dword ptr [si]
0x12bbf: mov ah, 1
0x12bc1: int 0x21
0x12bc3: mov ah, 0x3b
0x12bc5: mov dx, 0xf4a
0x12bc8: add dx, bp
0x12bca: int 0x21
0x12bcc: mov ah, 0x3b
0x12bce: mov dx, word ptr [bp + 0xeb1]
0x12bd2: int 0x21
2018-12-25T12:00:40.516107911Z 59 PC: 12bcc | Change current directory
2018-12-25T12:00:40.520971985Z 59 PC: 12bd4 | Change current directory

{"DateBased":true,"Day":31,"Month":12,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":6930,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:00:41.807922946Z 26 PC: 12a6d | Set disk transfer address
2018-12-25T12:00:41.809687376Z 71 PC: 12a77 | Get current directory
2018-12-25T12:00:41.812343519Z 59 PC: 12a80 | Change current directory
2018-12-25T12:00:41.816327058Z 78 PC: 12a8c | Find first file
2018-12-25T12:00:41.822423594Z 79 PC: 12a98 | Find next file
2018-12-25T12:00:41.825155111Z 59 PC: 12aa9 | Change current directory
2018-12-25T12:00:41.83064929Z 47 PC: 12aad | Get disk transfer address
2018-12-25T12:00:41.8317789Z 26 PC: 12abe | Set disk transfer address
2018-12-25T12:00:41.833176062Z 78 PC: 12aca | Find first file
2018-12-25T12:00:41.844244785Z 47 PC: 12af7 | Get disk transfer address
2018-12-25T12:00:41.845039752Z 47 PC: 12b06 | Get disk transfer address
2018-12-25T12:00:41.846970682Z 61 PC: 12b0b | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:00:41.858456712Z 63 PC: 12b1b | Read file or device (Read 3 bytes on handle 5)
2018-12-25T12:00:41.864914615Z 66 PC: 12b26 | Move file pointer
2018-12-25T12:00:41.867042559Z 66 PC: 12b3d | Move file pointer
2018-12-25T12:00:41.868381229Z 63 PC: 12b49 | Read file or device (Read 1 bytes on handle 5)
2018-12-25T12:00:41.870779296Z 66 PC: 12b79 | Move file pointer
2018-12-25T12:00:41.872381592Z 64 PC: 12b87 | Write file or device (Write 3948 bytes on handle 5)
2018-12-25T12:00:41.886855799Z 66 PC: 12b90 | Move file pointer
2018-12-25T12:00:41.888311544Z 64 PC: 12b9c | Write file or device (Write 3 bytes on handle 5)
2018-12-25T12:00:41.89509308Z 62 PC: 12ba0 | Close file
2018-12-25T12:00:41.902834808Z 42 PC: 12ba4 | Get date 0x12ba4: cmp dh, 0xc
0x12ba7: jne 0x12bc3
0x12ba9: cmp dl, 0x1f
0x12bac: jne 0x12bc3
0x12bae: mov si, 0x191
0x12bb1: add si, bp
0x12bb3: mov ax, 0xb800
0x12bb6: mov es, ax
0x12bb8: xor di, di
0x12bba: mov cx, 0x690
0x12bbd: rep movsd dword ptr es:[di], dword ptr [si]
0x12bbf: mov ah, 1
0x12bc1: int 0x21
0x12bc3: mov ah, 0x3b
0x12bc5: mov dx, 0xf4a
0x12bc8: add dx, bp
0x12bca: int 0x21
0x12bcc: mov ah, 0x3b
0x12bce: mov dx, word ptr [bp + 0xeb1]
0x12bd2: int 0x21
2018-12-25T12:00:41.905593603Z 1 PC: 12bc3 | Character input