Sample viewer

vx.netlux.org/Trojan.DOS.CMOSKiller.c

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:12:34.081438751Z 72 PC: 8f1b9 | Allocate memory
2018-12-17T23:12:34.083974524Z 72 PC: 8f1bd | Allocate memory
2018-12-17T23:12:34.086420375Z 99 PC: 90858 | Get DBCS lead byte table pointer
2018-12-17T23:12:34.089600103Z 61 PC: 91f88 | Open file (Filename = 'C:\WINDOWS\HIMEM.SYS')
2018-12-17T23:12:34.100397164Z 66 PC: 91f95 | Move file pointer
2018-12-17T23:12:34.102700355Z 62 PC: 91fc1 | Close file
2018-12-17T23:12:34.105016341Z 75 PC: 91fe0 | Execute program
2018-12-17T23:12:34.120545944Z 98 PC: 916f1 | Get current PSP
2018-12-17T23:12:34.123178075Z 9 PC: c605 | Display string (String= '6��r�&;] u')
2018-12-17T23:12:34.128033304Z 48 PC: c609 | Get DOS version
2018-12-17T23:12:34.131567284Z 9 PC: c382 | Display string (String= ' Installed A20 handler number ')
2018-12-17T23:12:34.134519936Z 2 PC: c38c | Character output (Char = '32')
2018-12-17T23:12:34.136587986Z 2 PC: c3a7 | Character output (Char = '2e')
2018-12-17T23:12:34.139863421Z 9 PC: c6d9 | Display string (String= '�����VH�VD���V@��������������_���Ku��t1��������D�����t �� ��������a1��Z�����W���� ������5���|�����(���������Nj�(��������p�^')
2018-12-17T23:12:34.145073646Z 9 PC: c6e0 | Display string (String= '�5���|�����(���������Nj�(��������p�^')
2018-12-17T23:12:34.150472646Z 61 PC: 91f88 | Open file (Filename = 'C:\WINDOWS\SMARTDRV.EXE')
2018-12-17T23:12:34.160273743Z 66 PC: 91f95 | Move file pointer
2018-12-17T23:12:34.163455762Z 62 PC: 91fc1 | Close file
2018-12-17T23:12:34.165883593Z 75 PC: 91fe0 | Execute program
2018-12-17T23:12:34.187221242Z 98 PC: 916f1 | Get current PSP
2018-12-17T23:12:34.191660079Z 82 PC: 13d46 | Get DOS internal pointers (SYSVARS)
2018-12-17T23:12:34.193042709Z 53 PC: 13ac3 | Get interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-17T23:12:34.194286525Z 37 PC: 13ad6 | Set interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-17T23:12:34.203879188Z 53 PC: 13ae0 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T23:12:34.209847028Z 37 PC: 13af3 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T23:12:34.211312575Z 9 PC: 13a0d | Display string (Could not find end pointer)
2018-12-17T23:12:34.219134308Z 62 PC: 8f8eb | Close file
2018-12-17T23:12:34.221371249Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.223093749Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.224498997Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.226715464Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.228369722Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.229880817Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.233256656Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.234851292Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.236402433Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.238552166Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.239997045Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.241542109Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.2435079Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.245492747Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.247012421Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.248978403Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.251066319Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.252837374Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.255575812Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.257385808Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.259104288Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.265803471Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.267218561Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.268596069Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.270059151Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.271724267Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.273085109Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.274627707Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.276475534Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.277671736Z 62 PC: 8f8f2 | Close file
2018-12-17T23:12:34.278995446Z 61 PC: 8f8ff | Open file (Filename = '')
2018-12-17T23:12:34.284048795Z 62 PC: 8f90e | Close file
2018-12-17T23:12:34.285617444Z 69 PC: 8f915 | Duplicate handle
2018-12-17T23:12:34.287221007Z 69 PC: 8f919 | Duplicate handle
2018-12-17T23:12:34.2889672Z 61 PC: 9387b | Open file (Filename = '')
2018-12-17T23:12:34.293377326Z 68 PC: 9386b | I/O control for devices (Set for = '')
2018-12-17T23:12:34.294781262Z 61 PC: 9387b | Open file (Filename = '')
2018-12-17T23:12:34.299249087Z 68 PC: 9386b | I/O control for devices (Set for = '')
2018-12-17T23:12:34.300773985Z 74 PC: 8f9c4 | Reallocate memory
2018-12-17T23:12:34.302184983Z 72 PC: 8f9e0 | Allocate memory
2018-12-17T23:12:34.303940613Z 72 PC: 8f9e4 | Allocate memory
2018-12-17T23:12:34.305327197Z 74 PC: 8f9fb | Reallocate memory
2018-12-17T23:12:34.306728435Z 72 PC: 8fa02 | Allocate memory
2018-12-17T23:12:34.308493676Z 72 PC: 8fa06 | Allocate memory
2018-12-17T23:12:34.30983091Z 73 PC: 8fa11 | Release memory
2018-12-17T23:12:34.311436204Z 73 PC: 8efea | Release memory
2018-12-17T23:12:34.31294672Z 74 PC: 8f003 | Reallocate memory
2018-12-17T23:12:34.314334559Z 72 PC: 8f054 | Allocate memory
2018-12-17T23:12:34.31701296Z 72 PC: 8f058 | Allocate memory
2018-12-17T23:12:34.318373374Z 73 PC: 8f060 | Release memory
2018-12-17T23:12:34.319527138Z 61 PC: 8f080 | Open file (Filename = '')
2018-12-17T23:12:34.328426857Z 63 PC: 8f095 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T23:12:34.333648Z 66 PC: 8f0ad | Move file pointer
2018-12-17T23:12:34.334648201Z 62 PC: 8f0d1 | Close file
2018-12-17T23:12:34.336276181Z 75 PC: 8f0f2 | Execute program
2018-12-17T23:12:34.354644688Z 80 PC: 12be9 | Set current PSP
2018-12-17T23:12:34.355424354Z 48 PC: 12bee | Get DOS version
2018-12-17T23:12:34.3566046Z 99 PC: 193d0 | Get DBCS lead byte table pointer
2018-12-17T23:12:34.358332161Z 101 PC: 12c74 | Get extended country info
2018-12-17T23:12:34.359245702Z 99 PC: 12c7a | Get DBCS lead byte table pointer
2018-12-17T23:12:34.360255592Z 74 PC: 12cdc | Reallocate memory
2018-12-17T23:12:34.36144734Z 72 PC: 1355d | Allocate memory
2018-12-17T23:12:34.362530769Z 25 PC: 13596 | Get default drive
2018-12-17T23:12:34.363449382Z 71 PC: 135ad | Get current directory
2018-12-17T23:12:34.365273883Z 59 PC: 135ba | Change current directory
2018-12-17T23:12:34.368385348Z 59 PC: 135c8 | Change current directory
2018-12-17T23:12:34.371975417Z 59 PC: 135d3 | Change current directory
2018-12-17T23:12:34.374643376Z 25 PC: 12d13 | Get default drive
2018-12-17T23:12:34.375438746Z 37 PC: 127d3 | Set interrupt vector (Interrupt = '34' AKA 'Random write')
2018-12-17T23:12:34.376305083Z 37 PC: 127da | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T23:12:34.377289775Z 37 PC: 127e1 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T23:12:34.378788572Z 80 PC: 1301d | Set current PSP
2018-12-17T23:12:34.379571773Z 37 PC: 13041 | Set interrupt vector (Interrupt = '46' AKA 'Set verify flag')
2018-12-17T23:12:34.380500498Z 53 PC: 13362 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T23:12:34.381237619Z 37 PC: 13383 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T23:12:34.382064503Z 51 PC: 13417 | Get or set Ctrl-Break
2018-12-17T23:12:34.383330258Z 72 PC: 130ec | Allocate memory
2018-12-17T23:12:34.384848325Z 61 PC: 131b2 | Open file (Filename = '')
2018-12-17T23:12:34.390601695Z 62 PC: 131ba | Close file
2018-12-17T23:12:34.392466246Z 51 PC: 1344c | Get or set Ctrl-Break
2018-12-17T23:12:34.393311472Z 74 PC: 1197c | Reallocate memory
2018-12-17T23:12:34.394495935Z 72 PC: 11991 | Allocate memory
2018-12-17T23:12:34.396284254Z 73 PC: 119b2 | Release memory
2018-12-17T23:12:34.397709395Z 72 PC: 119bd | Allocate memory
2018-12-17T23:12:34.400693678Z 73 PC: 119df | Release memory
2018-12-17T23:12:34.402443347Z 72 PC: 119f5 | Allocate memory
2018-12-17T23:12:34.404152785Z 72 PC: 119fd | Allocate memory