Sample viewer

vx.netlux.org/Virus.DOS.BlackJec.427.b

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:54:03.239234593Z 42 PC: 12aac | Get date 0x12aac: mov word ptr [0xf2], dx
0x12ab0: mov word ptr [0xf4], cx
0x12ab4: stc
0x12ab5: mov dx, 0x2a2
0x12ab8: mov ah, 0x4e
0x12aba: mov cx, 0x20
0x12abd: int 0x21
0x12abf: or ax, ax
0x12ac1: je 0x12ac6
0x12ac3: jmp 0x12b9b
0x12ac6: mov ah, 0x2f
0x12ac8: int 0x21
0x12aca: mov ax, word ptr es:[bx + 0x1a]
0x12ace: mov word ptr [0xfc], ax
0x12ad1: add bx, 0x1e
0x12ad4: mov word ptr [0xfe], bx
0x12ad8: mov ax, 0x4f43
0x12adb: sub ax, word ptr [0x9e]
0x12adf: jne 0x12ae4
0x12ae1: jmp 0x12b8f
2018-12-17T22:54:03.242528589Z 78 PC: 12abf | Find first file
2018-12-17T22:54:03.249801178Z 47 PC: 12aca | Get disk transfer address
2018-12-17T22:54:03.251298947Z 43 PC: 12b20 | Set date
2018-12-17T22:54:03.255144617Z 61 PC: 12b28 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:54:03.268608552Z 63 PC: 12b36 | Read file or device (Read 407 bytes on handle 5)
2018-12-17T22:54:03.276677597Z 60 PC: 12b73 | Create or truncate file
2018-12-17T22:54:03.298907647Z 64 PC: 12b85 | Write file or device (Write 834 bytes on handle 6)
2018-12-17T22:54:03.309328845Z 62 PC: 12b89 | Close file
2018-12-17T22:54:03.31856974Z 79 PC: 12b94 | Find next file
2018-12-17T22:54:03.321966319Z 47 PC: 12aca | Get disk transfer address
2018-12-17T22:54:03.32464613Z 43 PC: 12b20 | Set date
2018-12-17T22:54:03.32879672Z 61 PC: 12b28 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:54:03.341694254Z 63 PC: 12b36 | Read file or device (Read 27 bytes on handle 6)
2018-12-17T22:54:03.348901694Z 60 PC: 12b73 | Create or truncate file
2018-12-17T22:54:03.364192561Z 64 PC: 12b85 | Write file or device (Write 454 bytes on handle 7)
2018-12-17T22:54:03.369320465Z 62 PC: 12b89 | Close file
2018-12-17T22:54:03.378461489Z 79 PC: 12b94 | Find next file
2018-12-17T22:54:03.382189055Z 47 PC: 12aca | Get disk transfer address
2018-12-17T22:54:03.383954671Z 43 PC: 12b20 | Set date
2018-12-17T22:54:03.38809562Z 61 PC: 12b28 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:54:03.401847257Z 63 PC: 12b36 | Read file or device (Read 92 bytes on handle 7)
2018-12-17T22:54:03.409141524Z 60 PC: 12b73 | Create or truncate file
2018-12-17T22:54:03.422702515Z 64 PC: 12b85 | Write file or device (Write 519 bytes on handle 8)
2018-12-17T22:54:03.433365652Z 62 PC: 12b89 | Close file
2018-12-17T22:54:03.442515547Z 79 PC: 12b94 | Find next file
2018-12-17T22:54:03.445650436Z 47 PC: 12aca | Get disk transfer address
2018-12-17T22:54:03.455662512Z 43 PC: 12b20 | Set date
2018-12-17T22:54:03.45963652Z 61 PC: 12b28 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:54:03.472875134Z 63 PC: 12b36 | Read file or device (Read 29 bytes on handle 8)
2018-12-17T22:54:03.480214832Z 60 PC: 12b73 | Create or truncate file
2018-12-17T22:54:03.494970463Z 64 PC: 12b85 | Write file or device (Write 456 bytes on handle 9)
2018-12-17T22:54:03.49944231Z 62 PC: 12b89 | Close file
2018-12-17T22:54:03.509061623Z 79 PC: 12b94 | Find next file
2018-12-17T22:54:03.517944563Z 47 PC: 12aca | Get disk transfer address
2018-12-17T22:54:03.519403012Z 43 PC: 12b20 | Set date
2018-12-17T22:54:03.523277771Z 61 PC: 12b28 | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:54:03.537390225Z 63 PC: 12b36 | Read file or device (Read 29 bytes on handle 9)
2018-12-17T22:54:03.545183633Z 60 PC: 12b73 | Create or truncate file
2018-12-17T22:54:03.55920669Z 64 PC: 12b85 | Write file or device (Write 456 bytes on handle 10)
2018-12-17T22:54:03.565149711Z 62 PC: 12b89 | Close file
2018-12-17T22:54:03.575218366Z 79 PC: 12b94 | Find next file
2018-12-17T22:54:03.578775918Z 47 PC: 12aca | Get disk transfer address
2018-12-17T22:54:03.581770694Z 43 PC: 12b20 | Set date
2018-12-17T22:54:03.58615069Z 61 PC: 12b28 | Open file (Filename = 'MANDEL.COM')
2018-12-17T22:54:03.599453422Z 63 PC: 12b36 | Read file or device (Read 501 bytes on handle 10)
2018-12-17T22:54:03.607304254Z 60 PC: 12b73 | Create or truncate file
2018-12-17T22:54:03.622370095Z 64 PC: 12b85 | Write file or device (Write 928 bytes on handle 11)
2018-12-17T22:54:03.63196849Z 62 PC: 12b89 | Close file
2018-12-17T22:54:03.642061801Z 79 PC: 12b94 | Find next file
2018-12-17T22:54:03.646582864Z 47 PC: 12aca | Get disk transfer address
2018-12-17T22:54:03.648542368Z 43 PC: 12b20 | Set date
2018-12-17T22:54:03.652917558Z 61 PC: 12b28 | Open file (Filename = 'PAH.COM')
2018-12-17T22:54:03.667110947Z 63 PC: 12b36 | Read file or device (Read 29 bytes on handle 11)
2018-12-17T22:54:03.675293987Z 60 PC: 12b73 | Create or truncate file
2018-12-17T22:54:03.689499273Z 64 PC: 12b85 | Write file or device (Write 456 bytes on handle 12)
2018-12-17T22:54:03.695158799Z 62 PC: 12b89 | Close file
2018-12-17T22:54:03.704867034Z 79 PC: 12b94 | Find next file
2018-12-17T22:54:03.709192904Z 47 PC: 12aca | Get disk transfer address
2018-12-17T22:54:03.711166718Z 43 PC: 12b20 | Set date
2018-12-17T22:54:03.71649931Z 61 PC: 12b28 | Open file (Filename = 'TEST.COM')
2018-12-17T22:54:03.724390641Z 63 PC: 12b36 | Read file or device (Read 2427 bytes on handle 12)
2018-12-17T22:54:03.733202421Z 79 PC: 12b94 | Find next file
2018-12-17T22:54:03.737531059Z 43 PC: 12ba7 | Set date
2018-12-17T22:54:03.74184081Z 43 PC: 12bae | Set date