Sample viewer

vx.netlux.org/Trojan.DOS.CD19.a

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:54:35.195960167Z 98 PC: 12a44 | Get current PSP
2018-12-17T22:54:35.19770172Z 60 PC: 12a81 | Create or truncate file
2018-12-17T22:54:35.354668917Z 64 PC: 12a8c | Write file or device (Write 2 bytes on handle 5)
2018-12-17T22:54:35.358932414Z 78 PC: 12a9a | Find first file
2018-12-17T22:54:35.366290849Z 74 PC: 12ade | Reallocate memory
2018-12-17T22:54:35.36776379Z 75 PC: 12b04 | Execute program
2018-12-17T22:54:35.388236975Z 80 PC: 18029 | Set current PSP
2018-12-17T22:54:35.390111028Z 48 PC: 1802e | Get DOS version
2018-12-17T22:54:35.391636195Z 99 PC: 1e810 | Get DBCS lead byte table pointer
2018-12-17T22:54:35.394199283Z 101 PC: 180b4 | Get extended country info
2018-12-17T22:54:35.396190109Z 99 PC: 180ba | Get DBCS lead byte table pointer
2018-12-17T22:54:35.397503106Z 74 PC: 1811c | Reallocate memory
2018-12-17T22:54:35.398895269Z 25 PC: 18153 | Get default drive
2018-12-17T22:54:35.400467659Z 37 PC: 17c13 | Set interrupt vector (Interrupt = '34' AKA 'Random write')
2018-12-17T22:54:35.406013802Z 37 PC: 17c1a | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:54:35.408458534Z 37 PC: 17c21 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:54:35.412913493Z 74 PC: 16dbc | Reallocate memory
2018-12-17T22:54:35.416155245Z 72 PC: 16dfd | Allocate memory
2018-12-17T22:54:35.417882071Z 72 PC: 16e35 | Allocate memory
2018-12-17T22:54:35.419617214Z 72 PC: 16e3d | Allocate memory