Sample viewer

vx.netlux.org/Virus.DOS.BlackJec.363.c

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:47:21.656337265Z 42 PC: 12a7c | Get date 0x12a7c: mov word ptr [0xf2], dx
0x12a80: mov word ptr [0xf4], cx
0x12a84: stc
0x12a85: lea dx, word ptr [0x262]
0x12a89: mov ah, 0x4e
0x12a8b: mov cx, 0x20
0x12a8e: int 0x21
0x12a90: or ax, ax
0x12a92: je 0x12a97
0x12a94: jmp 0x12b61
0x12a97: mov ah, 0x2f
0x12a99: int 0x21
0x12a9b: mov ax, word ptr es:[bx + 0x1a]
0x12a9f: mov word ptr [0xfc], ax
0x12aa2: add bx, 0x1e
0x12aa5: mov word ptr [0xfe], bx
0x12aa9: mov ax, 0x4f43
0x12aac: sub ax, word ptr [0x9e]
0x12ab0: jne 0x12ab5
0x12ab2: jmp 0x12b55
2018-12-17T22:47:21.65913567Z 78 PC: 12a90 | Find first file
2018-12-17T22:47:21.66776216Z 47 PC: 12a9b | Get disk transfer address
2018-12-17T22:47:21.670731769Z 43 PC: 12af1 | Set date
2018-12-17T22:47:21.674514713Z 61 PC: 12af9 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:47:21.6824836Z 63 PC: 12b07 | Read file or device (Read 407 bytes on handle 5)
2018-12-17T22:47:21.691294799Z 60 PC: 12b39 | Create or truncate file
2018-12-17T22:47:21.719265789Z 64 PC: 12b4b | Write file or device (Write 770 bytes on handle 6)
2018-12-17T22:47:21.739152013Z 62 PC: 12b4f | Close file
2018-12-17T22:47:21.75091398Z 79 PC: 12b5a | Find next file
2018-12-17T22:47:21.755154348Z 47 PC: 12a9b | Get disk transfer address
2018-12-17T22:47:21.756890605Z 43 PC: 12af1 | Set date
2018-12-17T22:47:21.761079739Z 61 PC: 12af9 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:47:21.775463935Z 63 PC: 12b07 | Read file or device (Read 27 bytes on handle 6)
2018-12-17T22:47:21.783157141Z 60 PC: 12b39 | Create or truncate file
2018-12-17T22:47:21.798286905Z 64 PC: 12b4b | Write file or device (Write 390 bytes on handle 7)
2018-12-17T22:47:21.803676723Z 62 PC: 12b4f | Close file
2018-12-17T22:47:21.813212388Z 79 PC: 12b5a | Find next file
2018-12-17T22:47:21.816592956Z 47 PC: 12a9b | Get disk transfer address
2018-12-17T22:47:21.81902619Z 43 PC: 12af1 | Set date
2018-12-17T22:47:21.823091652Z 61 PC: 12af9 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:47:21.840744442Z 63 PC: 12b07 | Read file or device (Read 92 bytes on handle 7)
2018-12-17T22:47:21.848744383Z 60 PC: 12b39 | Create or truncate file
2018-12-17T22:47:21.863174495Z 64 PC: 12b4b | Write file or device (Write 455 bytes on handle 8)
2018-12-17T22:47:21.867578344Z 62 PC: 12b4f | Close file
2018-12-17T22:47:21.894695634Z 79 PC: 12b5a | Find next file
2018-12-17T22:47:21.897689123Z 47 PC: 12a9b | Get disk transfer address
2018-12-17T22:47:21.899139377Z 43 PC: 12af1 | Set date
2018-12-17T22:47:21.902782854Z 61 PC: 12af9 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:47:21.932138527Z 63 PC: 12b07 | Read file or device (Read 29 bytes on handle 8)
2018-12-17T22:47:21.952344583Z 60 PC: 12b39 | Create or truncate file
2018-12-17T22:47:21.969717337Z 64 PC: 12b4b | Write file or device (Write 392 bytes on handle 9)
2018-12-17T22:47:21.975673063Z 62 PC: 12b4f | Close file
2018-12-17T22:47:21.985125948Z 79 PC: 12b5a | Find next file
2018-12-17T22:47:21.988633514Z 47 PC: 12a9b | Get disk transfer address
2018-12-17T22:47:21.990914791Z 43 PC: 12af1 | Set date
2018-12-17T22:47:21.994638014Z 61 PC: 12af9 | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:47:22.007679812Z 63 PC: 12b07 | Read file or device (Read 29 bytes on handle 9)
2018-12-17T22:47:22.015572321Z 60 PC: 12b39 | Create or truncate file
2018-12-17T22:47:22.030729066Z 64 PC: 12b4b | Write file or device (Write 392 bytes on handle 10)
2018-12-17T22:47:22.035332541Z 62 PC: 12b4f | Close file
2018-12-17T22:47:22.045649852Z 79 PC: 12b5a | Find next file
2018-12-17T22:47:22.048969639Z 47 PC: 12a9b | Get disk transfer address
2018-12-17T22:47:22.05079684Z 43 PC: 12af1 | Set date
2018-12-17T22:47:22.055556868Z 61 PC: 12af9 | Open file (Filename = 'MANDEL.COM')
2018-12-17T22:47:22.069049167Z 63 PC: 12b07 | Read file or device (Read 501 bytes on handle 10)
2018-12-17T22:47:22.07674435Z 60 PC: 12b39 | Create or truncate file
2018-12-17T22:47:22.091969589Z 64 PC: 12b4b | Write file or device (Write 864 bytes on handle 11)
2018-12-17T22:47:22.101575979Z 62 PC: 12b4f | Close file
2018-12-17T22:47:22.111592626Z 79 PC: 12b5a | Find next file
2018-12-17T22:47:22.116047934Z 47 PC: 12a9b | Get disk transfer address
2018-12-17T22:47:22.118035735Z 43 PC: 12af1 | Set date
2018-12-17T22:47:22.122170585Z 61 PC: 12af9 | Open file (Filename = 'PAH.COM')
2018-12-17T22:47:22.135509355Z 63 PC: 12b07 | Read file or device (Read 29 bytes on handle 11)
2018-12-17T22:47:22.144271151Z 60 PC: 12b39 | Create or truncate file
2018-12-17T22:47:22.158962099Z 64 PC: 12b4b | Write file or device (Write 392 bytes on handle 12)
2018-12-17T22:47:22.16354894Z 62 PC: 12b4f | Close file
2018-12-17T22:47:22.174138875Z 79 PC: 12b5a | Find next file
2018-12-17T22:47:22.177898151Z 47 PC: 12a9b | Get disk transfer address
2018-12-17T22:47:22.179747466Z 43 PC: 12af1 | Set date
2018-12-17T22:47:22.184629803Z 61 PC: 12af9 | Open file (Filename = 'TEST.COM')
2018-12-17T22:47:22.19873855Z 63 PC: 12b07 | Read file or device (Read 5483 bytes on handle 12)
2018-12-17T22:47:22.207283789Z 79 PC: 12b5a | Find next file
2018-12-17T22:47:22.210147005Z 43 PC: 12b6d | Set date
2018-12-17T22:47:22.216042698Z 9 PC: 12a85 | Display string (String= 'Sophos Ltd, Oxford sacrificial COM goat 1400H bytes long ')
2018-12-17T22:47:22.222571362Z 0 PC: 12a89 | Program terminate