Sample viewer

vx.netlux.org/Trojan.DOS.DiskEraser.22

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:10:27.207854443Z 72 PC: 8f1b9 | Allocate memory
2018-12-17T23:10:27.21063821Z 72 PC: 8f1bd | Allocate memory
2018-12-17T23:10:27.212524794Z 99 PC: 90858 | Get DBCS lead byte table pointer
2018-12-17T23:10:27.215249058Z 61 PC: 91f88 | Open file (Filename = 'C:\WINDOWS\HIMEM.SYS')
2018-12-17T23:10:27.224510245Z 66 PC: 91f95 | Move file pointer
2018-12-17T23:10:27.225697464Z 62 PC: 91fc1 | Close file
2018-12-17T23:10:27.227174268Z 75 PC: 91fe0 | Execute program
2018-12-17T23:10:27.238168522Z 98 PC: 916f1 | Get current PSP
2018-12-17T23:10:27.240197024Z 9 PC: c605 | Display string (String= '6��r�&;] u')
2018-12-17T23:10:27.244867185Z 48 PC: c609 | Get DOS version
2018-12-17T23:10:27.248457616Z 9 PC: c382 | Display string (String= ' Installed A20 handler number ')
2018-12-17T23:10:27.253091136Z 2 PC: c38c | Character output (Char = '32')
2018-12-17T23:10:27.255960751Z 2 PC: c3a7 | Character output (Char = '2e')
2018-12-17T23:10:27.259320432Z 9 PC: c6d9 | Display string (String= '�����VH�VD���V@��������������_���Ku��t1��������D�����t �� ��������a1��Z�����W���� ������5���|�����(���������Nj�(��������p�^')
2018-12-17T23:10:27.263672901Z 9 PC: c6e0 | Display string (String= '�5���|�����(���������Nj�(��������p�^')
2018-12-17T23:10:27.268106192Z 61 PC: 91f88 | Open file (Filename = 'C:\WINDOWS\SMARTDRV.EXE')
2018-12-17T23:10:27.278511441Z 66 PC: 91f95 | Move file pointer
2018-12-17T23:10:27.280726825Z 62 PC: 91fc1 | Close file
2018-12-17T23:10:27.282745312Z 75 PC: 91fe0 | Execute program
2018-12-17T23:10:27.300607261Z 98 PC: 916f1 | Get current PSP
2018-12-17T23:10:27.303777102Z 82 PC: 13d46 | Get DOS internal pointers (SYSVARS)
2018-12-17T23:10:27.305468273Z 53 PC: 13ac3 | Get interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-17T23:10:27.306844944Z 37 PC: 13ad6 | Set interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-17T23:10:27.308254226Z 53 PC: 13ae0 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T23:10:27.309855518Z 37 PC: 13af3 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T23:10:27.312271791Z 9 PC: 13a0d | Display string (Could not find end pointer)
2018-12-17T23:10:27.316950271Z 62 PC: 8f8eb | Close file
2018-12-17T23:10:27.318309572Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.320838902Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.32205025Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.32348974Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.325268833Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.326348254Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.327271507Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.329082881Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.330552614Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.331958332Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.333869676Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.334954905Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.336006608Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.33940445Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.341307002Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.342619578Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.344455356Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.345754643Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.347025388Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.34914772Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.350443602Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.351834683Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.353699956Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.355051043Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.356356613Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.3578163Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.359229266Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.361187614Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.362441194Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.363904475Z 62 PC: 8f8f2 | Close file
2018-12-17T23:10:27.365131188Z 61 PC: 8f8ff | Open file (Filename = '')
2018-12-17T23:10:27.369790516Z 62 PC: 8f90e | Close file
2018-12-17T23:10:27.371762868Z 69 PC: 8f915 | Duplicate handle
2018-12-17T23:10:27.373159858Z 69 PC: 8f919 | Duplicate handle
2018-12-17T23:10:27.374660471Z 61 PC: 9387b | Open file (Filename = '')
2018-12-17T23:10:27.382421055Z 68 PC: 9386b | I/O control for devices (Set for = '')
2018-12-17T23:10:27.384137324Z 61 PC: 9387b | Open file (Filename = '')
2018-12-17T23:10:27.389413366Z 68 PC: 9386b | I/O control for devices (Set for = '')
2018-12-17T23:10:27.392104202Z 74 PC: 8f9c4 | Reallocate memory
2018-12-17T23:10:27.393743245Z 72 PC: 8f9e0 | Allocate memory
2018-12-17T23:10:27.39566164Z 72 PC: 8f9e4 | Allocate memory
2018-12-17T23:10:27.398416086Z 74 PC: 8f9fb | Reallocate memory
2018-12-17T23:10:27.400091646Z 72 PC: 8fa02 | Allocate memory
2018-12-17T23:10:27.40198611Z 72 PC: 8fa06 | Allocate memory
2018-12-17T23:10:27.404812752Z 73 PC: 8fa11 | Release memory
2018-12-17T23:10:27.406611324Z 73 PC: 8efea | Release memory
2018-12-17T23:10:27.408186615Z 74 PC: 8f003 | Reallocate memory
2018-12-17T23:10:27.411507744Z 72 PC: 8f054 | Allocate memory
2018-12-17T23:10:27.413456691Z 72 PC: 8f058 | Allocate memory
2018-12-17T23:10:27.41509651Z 73 PC: 8f060 | Release memory
2018-12-17T23:10:27.417100539Z 61 PC: 8f080 | Open file (Filename = '')
2018-12-17T23:10:27.425858601Z 63 PC: 8f095 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T23:10:27.431114126Z 66 PC: 8f0ad | Move file pointer
2018-12-17T23:10:27.433634213Z 62 PC: 8f0d1 | Close file
2018-12-17T23:10:27.435761696Z 75 PC: 8f0f2 | Execute program
2018-12-17T23:10:27.457011477Z 80 PC: 12be9 | Set current PSP
2018-12-17T23:10:27.458876884Z 48 PC: 12bee | Get DOS version
2018-12-17T23:10:27.46038746Z 99 PC: 193d0 | Get DBCS lead byte table pointer
2018-12-17T23:10:27.462964923Z 101 PC: 12c74 | Get extended country info
2018-12-17T23:10:27.464633347Z 99 PC: 12c7a | Get DBCS lead byte table pointer
2018-12-17T23:10:27.466117273Z 74 PC: 12cdc | Reallocate memory
2018-12-17T23:10:27.467421257Z 72 PC: 1355d | Allocate memory
2018-12-17T23:10:27.470015544Z 25 PC: 13596 | Get default drive
2018-12-17T23:10:27.471353456Z 71 PC: 135ad | Get current directory
2018-12-17T23:10:27.473692192Z 59 PC: 135ba | Change current directory
2018-12-17T23:10:27.479994564Z 59 PC: 135c8 | Change current directory
2018-12-17T23:10:27.486274591Z 59 PC: 135d3 | Change current directory
2018-12-17T23:10:27.490232201Z 25 PC: 12d13 | Get default drive
2018-12-17T23:10:27.492355984Z 37 PC: 127d3 | Set interrupt vector (Interrupt = '34' AKA 'Random write')
2018-12-17T23:10:27.493563012Z 37 PC: 127da | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T23:10:27.494843188Z 37 PC: 127e1 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T23:10:27.497329809Z 80 PC: 1301d | Set current PSP
2018-12-17T23:10:27.498798494Z 37 PC: 13041 | Set interrupt vector (Interrupt = '46' AKA 'Set verify flag')
2018-12-17T23:10:27.500058308Z 53 PC: 13362 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T23:10:27.501833677Z 37 PC: 13383 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T23:10:27.50302439Z 51 PC: 13417 | Get or set Ctrl-Break
2018-12-17T23:10:27.504882326Z 72 PC: 130ec | Allocate memory
2018-12-17T23:10:27.507135042Z 61 PC: 131b2 | Open file (Filename = '')
2018-12-17T23:10:27.513166434Z 62 PC: 131ba | Close file
2018-12-17T23:10:27.515317199Z 51 PC: 1344c | Get or set Ctrl-Break
2018-12-17T23:10:27.517370363Z 74 PC: 1197c | Reallocate memory
2018-12-17T23:10:27.519860988Z 72 PC: 11991 | Allocate memory
2018-12-17T23:10:27.521667229Z 73 PC: 119b2 | Release memory
2018-12-17T23:10:27.523768536Z 72 PC: 119bd | Allocate memory
2018-12-17T23:10:27.525571825Z 73 PC: 119df | Release memory
2018-12-17T23:10:27.526997679Z 72 PC: 119f5 | Allocate memory
2018-12-17T23:10:27.530028901Z 72 PC: 119fd | Allocate memory