Sample viewer

vx.netlux.org/Virus.DOS.Caterpillar.1783.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:39:54.099949279Z 64 PC: 0 | Write file or device (Write 2 bytes on handle 1)
2018-12-17T22:39:54.105978513Z 41 PC: 94fae | Parse filename
2018-12-17T22:39:54.11808018Z 41 PC: 9502f | Parse filename
2018-12-17T22:39:54.121211654Z 41 PC: 9504c | Parse filename
2018-12-17T22:39:54.123517485Z 26 PC: 984f7 | Set disk transfer address
2018-12-17T22:39:54.127041016Z 71 PC: 986f3 | Get current directory
2018-12-17T22:39:54.130102909Z 78 PC: 986fe | Find first file
2018-12-17T22:39:54.139587946Z 71 PC: 986f3 | Get current directory
2018-12-17T22:39:54.143067774Z 78 PC: 986fe | Find first file
2018-12-17T22:39:54.153214614Z 64 PC: 9a848 | Write file or device (Write 26 bytes on handle 2)
2018-12-17T22:39:54.156282833Z 37 PC: 123c4 | Set interrupt vector (Interrupt = '34' AKA 'Random write')
2018-12-17T22:39:54.157604072Z 37 PC: 123cb | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:39:54.158851261Z 37 PC: 123d2 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:39:54.15969524Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.160897471Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.162505443Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.164604426Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.165932497Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.167895838Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.169689652Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.171130489Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.173151766Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.174573771Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.176044061Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.1811889Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.182614731Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.183993045Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.185992459Z 62 PC: 122ab | Close file
2018-12-17T22:39:54.1880929Z 99 PC: 9a5d7 | Get DBCS lead byte table pointer
2018-12-17T22:39:54.189269109Z 56 PC: 94df9 | Get or set country info
2018-12-17T22:39:54.191183473Z 64 PC: 9a848 | Write file or device (Write 2 bytes on handle 1)
2018-12-17T22:39:54.195911814Z 25 PC: 94e62 | Get default drive
2018-12-17T22:39:54.19757899Z 71 PC: 970dd | Get current directory
2018-12-17T22:39:54.201411906Z 64 PC: 9a848 | Write file or device (Write 3 bytes on handle 1)
2018-12-17T22:39:54.205051123Z 2 PC: 970b2 | Character output (Char = '3e')
2018-12-17T22:39:54.206556241Z 93 PC: 94f20 | File sharing functions
2018-12-17T22:39:54.207715598Z 93 PC: 94f27 | File sharing functions
2018-12-17T22:39:54.209743362Z 10 PC: 94f39 | Buffered keyboard input
2018-12-17T22:40:09.147016397Z 0 PC: 0 | Program terminate
2018-12-17T22:40:10.501228142Z 0 PC: 0 | Program terminate
2018-12-17T22:40:10.604343645Z 64 PC: 9a848 | Write file or device (Write 2 bytes on handle 1)
2018-12-17T22:40:10.610194887Z 41 PC: 94fae | Parse filename
2018-12-17T22:40:10.613043383Z 41 PC: 9502f | Parse filename
2018-12-17T22:40:10.616000457Z 41 PC: 9504c | Parse filename
2018-12-17T22:40:10.618276532Z 26 PC: 984f7 | Set disk transfer address
2018-12-17T22:40:10.621125434Z 71 PC: 986f3 | Get current directory
2018-12-17T22:40:10.628833554Z 78 PC: 986fe | Find first file
2018-12-17T22:40:10.639398663Z 71 PC: 9856c | Get current directory
2018-12-17T22:40:10.6430667Z 73 PC: 97c09 | Release memory
2018-12-17T22:40:10.644363356Z 75 PC: 11821 | Execute program
2018-12-17T22:40:10.659520405Z 9 PC: 12a47 | Display string (String= 'Hello, World! ')
2018-12-17T22:40:10.665207974Z 76 PC: 12a4b | Terminate with return code (Return code = '36')