Sample viewer

vx.netlux.org/Trojan.DOS.Virri.b

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:59:50.389354511Z 48 PC: 176ae | Get DOS version
2018-12-17T22:59:50.39361168Z 74 PC: 176fe | Reallocate memory
2018-12-17T22:59:50.395699821Z 48 PC: 174bc | Get DOS version
2018-12-17T22:59:50.397012504Z 53 PC: 174c4 | Get interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:59:50.398886552Z 37 PC: 174d6 | Set interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:59:50.400024342Z 68 PC: 17567 | I/O control for devices (Set for = '�RP���3�P�m���P�')
2018-12-17T22:59:50.401219174Z 68 PC: 17567 | I/O control for devices
2018-12-17T22:59:50.402960527Z 68 PC: 17567 | I/O control for devices
2018-12-17T22:59:50.404456383Z 68 PC: 17567 | I/O control for devices
2018-12-17T22:59:50.405666212Z 68 PC: 17567 | I/O control for devices
2018-12-17T22:59:50.407690744Z 53 PC: 1574e | Get interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:59:50.408743757Z 53 PC: 1575b | Get interrupt vector (Interrupt = '4' AKA 'Auxiliary output')
2018-12-17T22:59:50.409766534Z 53 PC: 15768 | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:59:50.411253022Z 37 PC: 1577d | Set interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:59:50.412286233Z 37 PC: 15785 | Set interrupt vector (Interrupt = '4' AKA 'Auxiliary output')
2018-12-17T22:59:50.413216164Z 37 PC: 1578d | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:59:50.414935152Z 53 PC: 15cc6 | Get interrupt vector (Interrupt = '239' AKA 'UNKNOWN!')
2018-12-17T22:59:50.415942282Z 53 PC: 15cd3 | Get interrupt vector (Interrupt = '240' AKA 'UNKNOWN!')
2018-12-17T22:59:50.416887738Z 53 PC: 15ce2 | Get interrupt vector (Interrupt = '9' AKA 'Display string')
2018-12-17T22:59:50.418029975Z 37 PC: 15cef | Set interrupt vector (Interrupt = '239' AKA 'UNKNOWN!')
2018-12-17T22:59:50.419259253Z 53 PC: 15cf6 | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:59:50.420601563Z 37 PC: 15d03 | Set interrupt vector (Interrupt = '240' AKA 'UNKNOWN!')
2018-12-17T22:59:50.422231414Z 53 PC: 15d0f | Get interrupt vector (Interrupt = '28' AKA 'Get allocation info for specified drive')
2018-12-17T22:59:50.432486762Z 48 PC: 15dd1 | Get DOS version
2018-12-17T22:59:50.433932641Z 68 PC: 156c4 | I/O control for devices (Set for = 'et you but your computer is infected')
2018-12-17T22:59:50.435217476Z 68 PC: 156c4 | I/O control for devices (Set for = '')
2018-12-17T22:59:50.436595688Z 51 PC: 156e2 | Get or set Ctrl-Break
2018-12-17T22:59:50.437454996Z 51 PC: 156ee | Get or set Ctrl-Break
2018-12-17T22:59:50.438657094Z 72 PC: 17118 | Allocate memory
2018-12-17T22:59:50.445713592Z 37 PC: 142f1 | Set interrupt vector (Interrupt = '9' AKA 'Display string')
2018-12-17T22:59:50.452812966Z 53 PC: 14116 | Get interrupt vector (Interrupt = '28' AKA 'Get allocation info for specified drive')
2018-12-17T22:59:50.453729827Z 37 PC: 1412c | Set interrupt vector (Interrupt = '28' AKA 'Get allocation info for specified drive')
2018-12-17T22:59:55.446706458Z 61 PC: 12e3a | Open file (Filename = 'C:\WINDOWS\WIN.INI')
2018-12-17T22:59:55.457192828Z 68 PC: 12d93 | I/O control for devices (Set for = ' ')
2018-12-17T22:59:55.460107158Z 64 PC: 13e60 | Write file or device (Write 0 bytes on handle 5)
2018-12-17T22:59:56.167620426Z 64 PC: 13e60 | Write file or device (Write 30 bytes on handle 5)
2018-12-17T22:59:56.181371435Z 66 PC: 13c13 | Move file pointer
2018-12-17T22:59:56.183400108Z 62 PC: 13e71 | Close file
2018-12-17T22:59:56.19364193Z 61 PC: 12e3a | Open file (Filename = 'C:\WINDOWS\SYSTEM.INI')
2018-12-17T22:59:56.201542677Z 68 PC: 12d93 | I/O control for devices (Set for = ' ')