Sample viewer

vx.netlux.org/Virus.DOS.Leprosy.Taz.2276

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:05:57.659760754Z 44 PC: 13182 | Get time 0x13182: cmp byte ptr [0x106], 0
0x13187: je 0x1318e
0x13189: cmp dh, 0xf
0x1318c: jg 0x13197
0x1318e: cmp dl, 0
0x13191: je 0x1317e
0x13193: mov byte ptr [0x106], dl
0x13197: mov byte ptr [0x833], 0
0x1319c: mov byte ptr [0x834], 4
0x131a1: mov byte ptr [0x83d], 0
0x131a6: mov cx, 0x27
0x131a9: mov dx, 0x131
0x131ac: mov ah, 0x4e
0x131ae: int 0x21
0x131b0: cmp ax, 0x12
0x131b3: je 0x131b8
0x131b5: call 0x131da
0x131b8: mov cx, 0x27
0x131bb: mov dx, 0x137
0x131be: mov ah, 0x4e
2018-12-17T23:05:57.662606447Z 78 PC: 131b0 | Find first file
2018-12-17T23:05:57.666484964Z 78 PC: 131c2 | Find first file
2018-12-17T23:05:57.670263844Z 67 PC: 131fb | Get or set file attributes
2018-12-17T23:05:57.684495976Z 61 PC: 13201 | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:05:57.691002745Z 63 PC: 13210 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T23:05:57.697368159Z 62 PC: 13244 | Close file
2018-12-17T23:05:57.703258129Z 61 PC: 1324d | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:05:57.710390627Z 64 PC: 12a5a | Write file or device (Write 2276 bytes on handle 5)
2018-12-17T23:05:57.718987951Z 87 PC: 13275 | Get or set file date and time
2018-12-17T23:05:57.720307943Z 62 PC: 1327d | Close file
2018-12-17T23:05:57.727843216Z 67 PC: 1328a | Get or set file attributes
2018-12-17T23:05:57.732374403Z 79 PC: 13234 | Find next file
2018-12-17T23:05:57.735633191Z 67 PC: 131fb | Get or set file attributes
2018-12-17T23:05:57.745860589Z 61 PC: 13201 | Open file (Filename = 'PRINT.COM')
2018-12-17T23:05:57.75283715Z 63 PC: 13210 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T23:05:57.759105883Z 62 PC: 13244 | Close file
2018-12-17T23:05:57.761553638Z 61 PC: 1324d | Open file (Filename = 'PRINT.COM')
2018-12-17T23:05:57.769131864Z 64 PC: 12a5a | Write file or device (Write 2276 bytes on handle 5)
2018-12-17T23:05:57.778072774Z 87 PC: 13275 | Get or set file date and time
2018-12-17T23:05:57.780173088Z 62 PC: 1327d | Close file
2018-12-17T23:05:57.787732645Z 67 PC: 1328a | Get or set file attributes
2018-12-17T23:05:57.79267299Z 79 PC: 13234 | Find next file
2018-12-17T23:05:57.795973935Z 67 PC: 131fb | Get or set file attributes
2018-12-17T23:05:57.80566442Z 61 PC: 13201 | Open file (Filename = 'HELLO.COM')
2018-12-17T23:05:57.812090774Z 63 PC: 13210 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T23:05:57.818756415Z 62 PC: 13244 | Close file
2018-12-17T23:05:57.820516036Z 61 PC: 1324d | Open file (Filename = 'HELLO.COM')
2018-12-17T23:05:57.828050058Z 64 PC: 12a5a | Write file or device (Write 2276 bytes on handle 5)
2018-12-17T23:05:57.837691393Z 87 PC: 13275 | Get or set file date and time
2018-12-17T23:05:57.839341963Z 62 PC: 1327d | Close file
2018-12-17T23:05:57.847207939Z 67 PC: 1328a | Get or set file attributes
2018-12-17T23:05:57.85209023Z 79 PC: 13234 | Find next file
2018-12-17T23:05:57.854954689Z 67 PC: 131fb | Get or set file attributes
2018-12-17T23:05:57.867215415Z 61 PC: 13201 | Open file (Filename = 'PHANG.COM')
2018-12-17T23:05:57.873914296Z 63 PC: 13210 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T23:05:57.880081795Z 62 PC: 13244 | Close file
2018-12-17T23:05:57.881703133Z 61 PC: 1324d | Open file (Filename = 'PHANG.COM')
2018-12-17T23:05:57.889479231Z 64 PC: 12a5a | Write file or device (Write 2276 bytes on handle 5)
2018-12-17T23:05:57.898087551Z 87 PC: 13275 | Get or set file date and time
2018-12-17T23:05:57.899389711Z 62 PC: 1327d | Close file
2018-12-17T23:05:57.907559575Z 67 PC: 1328a | Get or set file attributes
2018-12-17T23:05:57.912076033Z 9 PC: 13318 | Display string (String= ' Program too big to fit in memory ')
2018-12-17T23:05:57.915930183Z 76 PC: 1331c | Terminate with return code (Return code = '36')