Sample viewer

vx.netlux.org/Virus.DOS.Shire.253

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:27:10.634360008Z 26 PC: 12aba | Set disk transfer address
2018-12-17T22:27:10.635823432Z 78 PC: 12ac1 | Find first file
2018-12-17T22:27:10.641523854Z 79 PC: 12ac1 | Find next file
2018-12-17T22:27:10.643879312Z 79 PC: 12ac1 | Find next file
2018-12-17T22:27:10.646826472Z 61 PC: 12ad3 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:27:10.653240842Z 63 PC: 12b05 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:27:10.659148874Z 66 PC: 12ae2 | Move file pointer
2018-12-17T22:27:10.661293952Z 44 PC: 12b1f | Get time 0x12b1f: xor dx, cx
0x12b21: xor dl, dh
0x12b23: mov cx, 0xfd
0x12b26: mov ax, 0x101
0x12b29: cmp dl, 3
0x12b2c: ja 0x12b35
0x12b2e: mov word ptr [di + 0x41], 0x75b1
0x12b33: mov cl, 0x75
0x12b35: xor word ptr [di + 0xd], ax
0x12b38: ror dl, 1
0x12b3a: jae 0x12b4f
0x12b3c: xor byte ptr [di + 3], al
0x12b3f: ror dl, 1
0x12b41: jae 0x12b49
0x12b43: xor byte ptr [di + 6], 2
0x12b47: jmp 0x12b59
0x12b49: xor byte ptr [di + 7], 9
0x12b4d: jmp 0x12b59
0x12b4f: xor byte ptr [di + 0xa], al
0x12b52: ror dl, 1
2018-12-17T22:27:10.663534298Z 64 PC: 12b05 | Write file or device (Write 253 bytes on handle 5)
2018-12-17T22:27:10.671533984Z 66 PC: 12af0 | Move file pointer
2018-12-17T22:27:10.672880424Z 64 PC: 12b05 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:27:10.675592643Z 62 PC: 12afc | Close file
2018-12-17T22:27:10.688888757Z 26 PC: 12b05 | Set disk transfer address

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":0,"TimeBased":true,"OriginalID":4823,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:52:56.632807155Z 26 PC: 12aba | Set disk transfer address
2018-12-25T11:52:56.634794687Z 78 PC: 12ac1 | Find first file
2018-12-25T11:52:56.64250661Z 79 PC: 12ac1 | Find next file (See above)
2018-12-25T11:52:56.645722504Z 79 PC: 12ac1 | Find next file (See above)
2018-12-25T11:52:56.648883956Z 61 PC: 12ad3 | Open file (Filename = 'HELLO.COM')
2018-12-25T11:52:56.66758367Z 63 PC: 12b05 | Read file or device (Read 3 bytes on handle 5)
2018-12-25T11:52:56.681139246Z 66 PC: 12ae2 | Move file pointer
2018-12-25T11:52:56.683208062Z 44 PC: 12b1f | Get time 0x12b1f: xor dx, cx
0x12b21: xor dl, dh
0x12b23: mov cx, 0xfd
0x12b26: mov ax, 0x101
0x12b29: cmp dl, 3
0x12b2c: ja 0x12b35
0x12b2e: mov word ptr [di + 0x41], 0x75b1
0x12b33: mov cl, 0x75
0x12b35: xor word ptr [di + 0xd], ax
0x12b38: ror dl, 1
0x12b3a: jae 0x12b4f
0x12b3c: xor byte ptr [di + 3], al
0x12b3f: ror dl, 1
0x12b41: jae 0x12b49
0x12b43: xor byte ptr [di + 6], 2
0x12b47: jmp 0x12b59
0x12b49: xor byte ptr [di + 7], 9
0x12b4d: jmp 0x12b59
0x12b4f: xor byte ptr [di + 0xa], al
0x12b52: ror dl, 1
2018-12-25T11:52:56.687810143Z 64 PC: 12b05 | Write file or device (See above)
2018-12-25T11:52:56.692541735Z 66 PC: 12af0 | Move file pointer
2018-12-25T11:52:56.694737992Z 64 PC: 12b05 | Write file or device (See above)
2018-12-25T11:52:56.698746717Z 62 PC: 12afc | Close file
2018-12-25T11:52:56.730176689Z 26 PC: 12b05 | Set disk transfer address (See above)

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":4,"TimeBased":true,"OriginalID":4823,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:52:56.656239148Z 26 PC: 12aba | Set disk transfer address
2018-12-25T11:52:56.658886004Z 78 PC: 12ac1 | Find first file
2018-12-25T11:52:56.665542221Z 79 PC: 12ac1 | Find next file (See above)
2018-12-25T11:52:56.668422287Z 79 PC: 12ac1 | Find next file (See above)
2018-12-25T11:52:56.672358607Z 61 PC: 12ad3 | Open file (Filename = 'HELLO.COM')
2018-12-25T11:52:56.678841138Z 63 PC: 12b05 | Read file or device (Read 3 bytes on handle 5)
2018-12-25T11:52:56.685317595Z 66 PC: 12ae2 | Move file pointer
2018-12-25T11:52:56.6873877Z 44 PC: 12b1f | Get time 0x12b1f: xor dx, cx
0x12b21: xor dl, dh
0x12b23: mov cx, 0xfd
0x12b26: mov ax, 0x101
0x12b29: cmp dl, 3
0x12b2c: ja 0x12b35
0x12b2e: mov word ptr [di + 0x41], 0x75b1
0x12b33: mov cl, 0x75
0x12b35: xor word ptr [di + 0xd], ax
0x12b38: ror dl, 1
0x12b3a: jae 0x12b4f
0x12b3c: xor byte ptr [di + 3], al
0x12b3f: ror dl, 1
0x12b41: jae 0x12b49
0x12b43: xor byte ptr [di + 6], 2
0x12b47: jmp 0x12b59
0x12b49: xor byte ptr [di + 7], 9
0x12b4d: jmp 0x12b59
0x12b4f: xor byte ptr [di + 0xa], al
0x12b52: ror dl, 1
2018-12-25T11:52:56.691089199Z 64 PC: 12b05 | Write file or device (See above)
2018-12-25T11:52:56.69364412Z 66 PC: 12af0 | Move file pointer
2018-12-25T11:52:56.694880772Z 64 PC: 12b05 | Write file or device (See above)
2018-12-25T11:52:56.697713248Z 62 PC: 12afc | Close file
2018-12-25T11:52:56.710696899Z 26 PC: 12b05 | Set disk transfer address (See above)