Sample viewer

vx.netlux.org/Trojan.DOS.Halter

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:19:50.888464262Z 72 PC: 8f1b9 | Allocate memory
2018-12-17T22:19:50.891202508Z 72 PC: 8f1bd | Allocate memory
2018-12-17T22:19:50.893607593Z 99 PC: 90858 | Get DBCS lead byte table pointer
2018-12-17T22:19:50.895609094Z 61 PC: 91f88 | Open file (Filename = 'C:\WINDOWS\HIMEM.SYS')
2018-12-17T22:19:50.903126762Z 66 PC: 91f95 | Move file pointer
2018-12-17T22:19:50.904338022Z 62 PC: 91fc1 | Close file
2018-12-17T22:19:50.905703633Z 75 PC: 91fe0 | Execute program
2018-12-17T22:19:50.918699259Z 98 PC: 916f1 | Get current PSP
2018-12-17T22:19:50.920367559Z 9 PC: c605 | Display string (String= '6r&;] u')
2018-12-17T22:19:50.924400179Z 48 PC: c609 | Get DOS version
2018-12-17T22:19:50.927889524Z 9 PC: c382 | Display string (String= ' Installed A20 handler number ')
2018-12-17T22:19:50.933709719Z 2 PC: c38c | Character output (Char = '32')
2018-12-17T22:19:50.935779384Z 2 PC: c3a7 | Character output (Char = '2e')
2018-12-17T22:19:50.939045406Z 9 PC: c6d9 | Display string (String= 'VHVD[email protected]_Kut1Dt a1ZW 5|(Nj(p^')
2018-12-17T22:19:50.943980989Z 9 PC: c6e0 | Display string (String= '5|(Nj(p^')
2018-12-17T22:19:50.949262466Z 61 PC: 91f88 | Open file (Filename = 'C:\WINDOWS\SMARTDRV.EXE')
2018-12-17T22:19:50.960645624Z 66 PC: 91f95 | Move file pointer
2018-12-17T22:19:50.963090338Z 62 PC: 91fc1 | Close file
2018-12-17T22:19:50.965364249Z 75 PC: 91fe0 | Execute program
2018-12-17T22:19:50.98531724Z 98 PC: 916f1 | Get current PSP
2018-12-17T22:19:50.992425381Z 82 PC: 13d46 | Get DOS internal pointers (SYSVARS)
2018-12-17T22:19:50.993729443Z 53 PC: 13ac3 | Get interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-17T22:19:50.994956311Z 37 PC: 13ad6 | Set interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-17T22:19:50.997351788Z 53 PC: 13ae0 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T22:19:50.998862564Z 37 PC: 13af3 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T22:19:51.000030441Z 9 PC: 13a0d | Display string (Could not find end pointer)
2018-12-17T22:19:51.007959669Z 62 PC: 8f8eb | Close file
2018-12-17T22:19:51.010539732Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.012768863Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.014724139Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.020143525Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.021882039Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.023494207Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.026929334Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.029138653Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.030871258Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.033471928Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.035214058Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.037660218Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.040905414Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.042436548Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.043901774Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.046061719Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.047916784Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.049495457Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.051787077Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.053421942Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.055078448Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.056943343Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.058986631Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.060567245Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.065207023Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.067640958Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.069266156Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.071583806Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.073903322Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.075532234Z 62 PC: 8f8f2 | Close file
2018-12-17T22:19:51.077166766Z 61 PC: 8f8ff | Open file (Filename = '')
2018-12-17T22:19:51.082950075Z 62 PC: 8f90e | Close file
2018-12-17T22:19:51.084863587Z 69 PC: 8f915 | Duplicate handle
2018-12-17T22:19:51.08665443Z 69 PC: 8f919 | Duplicate handle
2018-12-17T22:19:51.088935832Z 61 PC: 9387b | Open file (Filename = '')
2018-12-17T22:19:51.093708645Z 68 PC: 9386b | I/O control for devices (Set for = '')
2018-12-17T22:19:51.095251248Z 61 PC: 9387b | Open file (Filename = '')
2018-12-17T22:19:51.10100114Z 68 PC: 9386b | I/O control for devices (Set for = '')
2018-12-17T22:19:51.102605739Z 74 PC: 8f9c4 | Reallocate memory
2018-12-17T22:19:51.103894519Z 72 PC: 8f9e0 | Allocate memory
2018-12-17T22:19:51.106269498Z 72 PC: 8f9e4 | Allocate memory
2018-12-17T22:19:51.107828619Z 74 PC: 8f9fb | Reallocate memory
2018-12-17T22:19:51.109032311Z 72 PC: 8fa02 | Allocate memory
2018-12-17T22:19:51.111721928Z 72 PC: 8fa06 | Allocate memory
2018-12-17T22:19:51.113139781Z 73 PC: 8fa11 | Release memory
2018-12-17T22:19:51.114485043Z 73 PC: 8efea | Release memory
2018-12-17T22:19:51.11652345Z 74 PC: 8f003 | Reallocate memory
2018-12-17T22:19:51.11808767Z 72 PC: 8f054 | Allocate memory
2018-12-17T22:19:51.119638222Z 72 PC: 8f058 | Allocate memory
2018-12-17T22:19:51.121907874Z 73 PC: 8f060 | Release memory
2018-12-17T22:19:51.123124568Z 61 PC: 8f080 | Open file (Filename = '')
2018-12-17T22:19:51.133024362Z 63 PC: 8f095 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:19:51.139178173Z 66 PC: 8f0ad | Move file pointer
2018-12-17T22:19:51.140578174Z 62 PC: 8f0d1 | Close file
2018-12-17T22:19:51.142294414Z 75 PC: 8f0f2 | Execute program
2018-12-17T22:19:51.162707543Z 80 PC: 12be9 | Set current PSP
2018-12-17T22:19:51.164213757Z 48 PC: 12bee | Get DOS version
2018-12-17T22:19:51.165633855Z 99 PC: 193d0 | Get DBCS lead byte table pointer
2018-12-17T22:19:51.168065071Z 101 PC: 12c74 | Get extended country info
2018-12-17T22:19:51.17032545Z 99 PC: 12c7a | Get DBCS lead byte table pointer
2018-12-17T22:19:51.171606721Z 74 PC: 12cdc | Reallocate memory
2018-12-17T22:19:51.173312373Z 72 PC: 1355d | Allocate memory
2018-12-17T22:19:51.174971195Z 25 PC: 13596 | Get default drive
2018-12-17T22:19:51.176058876Z 71 PC: 135ad | Get current directory
2018-12-17T22:19:51.17875701Z 59 PC: 135ba | Change current directory
2018-12-17T22:19:51.183709299Z 59 PC: 135c8 | Change current directory
2018-12-17T22:19:51.189079005Z 59 PC: 135d3 | Change current directory
2018-12-17T22:19:51.192602596Z 25 PC: 12d13 | Get default drive
2018-12-17T22:19:51.194257905Z 37 PC: 127d3 | Set interrupt vector (Interrupt = '34' AKA 'Random write')
2018-12-17T22:19:51.19592838Z 37 PC: 127da | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:19:51.197533002Z 37 PC: 127e1 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:19:51.199717121Z 80 PC: 1301d | Set current PSP
2018-12-17T22:19:51.200440298Z 37 PC: 13041 | Set interrupt vector (Interrupt = '46' AKA 'Set verify flag')
2018-12-17T22:19:51.2018961Z 53 PC: 13362 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T22:19:51.203324022Z 37 PC: 13383 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T22:19:51.204651384Z 51 PC: 13417 | Get or set Ctrl-Break
2018-12-17T22:19:51.206890233Z 72 PC: 130ec | Allocate memory
2018-12-17T22:19:51.20917008Z 61 PC: 131b2 | Open file (Filename = '')
2018-12-17T22:19:51.2154359Z 62 PC: 131ba | Close file
2018-12-17T22:19:51.218422754Z 51 PC: 1344c | Get or set Ctrl-Break
2018-12-17T22:19:51.219490028Z 74 PC: 1197c | Reallocate memory
2018-12-17T22:19:51.22081049Z 72 PC: 11991 | Allocate memory
2018-12-17T22:19:51.222548206Z 73 PC: 119b2 | Release memory
2018-12-17T22:19:51.22436517Z 72 PC: 119bd | Allocate memory
2018-12-17T22:19:51.226177303Z 73 PC: 119df | Release memory
2018-12-17T22:19:51.227628924Z 72 PC: 119f5 | Allocate memory
2018-12-17T22:19:51.230177611Z 72 PC: 119fd | Allocate memory