Sample viewer

vx.netlux.org/Virus.DOS.V.883

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:23:05.017673242Z 42 PC: 12c1c | Get date 0x12c1c: mov dl, 0xc
0x12c1e: cmp dh, dl
0x12c20: je 0x12c37
0x12c22: dec dl
0x12c24: jne 0x12c28
0x12c26: mov dl, 0xc
0x12c28: cmp dh, dl
0x12c2a: je 0x12c38
0x12c2c: mov di, 0x2dd
0x12c2f: mov byte ptr [di], dh
0x12c31: mov ah, 0xd0
0x12c33: int 0x21
0x12c35: or ah, ah
0x12c37: ret
0x12c38: call 0x12c44
0x12c3b: jo 0x12cb4
0x12c3d: nop
0x12c3e: int3
0x12c3f: cmp al, 0xa3
0x12c41: in ax, 9
2018-12-17T22:23:05.020450268Z 76 PC: 12a45 | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":4042,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:50:51.269150801Z 42 PC: 12c1c | Get date 0x12c1c: mov dl, 0xc
0x12c1e: cmp dh, dl
0x12c20: je 0x12c37
0x12c22: dec dl
0x12c24: jne 0x12c28
0x12c26: mov dl, 0xc
0x12c28: cmp dh, dl
0x12c2a: je 0x12c38
0x12c2c: mov di, 0x2dd
0x12c2f: mov byte ptr [di], dh
0x12c31: mov ah, 0xd0
0x12c33: int 0x21
0x12c35: or ah, ah
0x12c37: ret
0x12c38: call 0x12c44
0x12c3b: jo 0x12cb4
0x12c3d: nop
0x12c3e: int3
0x12c3f: cmp al, 0xa3
0x12c41: in ax, 9
2018-12-25T11:50:51.283991751Z 208 PC: 12c35 | UNKNOWN!
2018-12-25T11:50:51.299585965Z 67 PC: 9f98f | Get or set file attributes
2018-12-25T11:50:51.308780399Z 61 PC: 9f98f | Open file (See above)
2018-12-25T11:50:51.315794065Z 75 PC: 12d41 | Execute program
2018-12-25T11:50:51.317089136Z 67 PC: 9f98f | Get or set file attributes (See above)
2018-12-25T11:50:51.322920099Z 61 PC: 9f98f | Open file (See above)
2018-12-25T11:50:51.329327546Z 66 PC: 9f98f | Move file pointer (See above)
2018-12-25T11:50:51.330618272Z 63 PC: 9f98f | Read file or device (See above)
2018-12-25T11:50:51.333368155Z 62 PC: 9f98f | Close file (See above)
2018-12-25T11:50:51.336091433Z 67 PC: 9f98f | Get or set file attributes (See above)
2018-12-25T11:50:51.674250927Z 61 PC: 9f98f | Open file (See above)
2018-12-25T11:50:51.680618484Z 87 PC: 9f8e4 | Get or set file date and time
2018-12-25T11:50:51.681908913Z 63 PC: 9f98f | Read file or device (See above)
2018-12-25T11:50:51.685818163Z 66 PC: 9f98f | Move file pointer (See above)
2018-12-25T11:50:51.687901073Z 64 PC: 9fb79 | Write file or device (Write 883 bytes on handle 5)
2018-12-25T11:50:51.697749522Z 66 PC: 9f98f | Move file pointer (See above)
2018-12-25T11:50:51.700703444Z 64 PC: 9f98f | Write file or device (See above)
2018-12-25T11:50:51.703531477Z 87 PC: 9f956 | Get or set file date and time
2018-12-25T11:50:51.704974973Z 62 PC: 9f98f | Close file (See above)
2018-12-25T11:50:51.712916346Z 67 PC: 9f98f | Get or set file attributes (See above)
2018-12-25T11:50:51.72256216Z 75 PC: 12d4d | Execute program
2018-12-25T11:50:51.724307506Z 76 PC: 12a45 | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":1,"Month":12,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":4042,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T13:06:51.693275623Z 42 PC: 12c1c | Get date 0x12c1c: mov dl, 0xc
0x12c1e: cmp dh, dl
0x12c20: je 0x12c37
0x12c22: dec dl
0x12c24: jne 0x12c28
0x12c26: mov dl, 0xc
0x12c28: cmp dh, dl
0x12c2a: je 0x12c38
0x12c2c: mov di, 0x2dd
0x12c2f: mov byte ptr [di], dh
0x12c31: mov ah, 0xd0
0x12c33: int 0x21
0x12c35: or ah, ah
0x12c37: ret
0x12c38: call 0x12c44
0x12c3b: jo 0x12cb4
0x12c3d: nop
0x12c3e: int3
0x12c3f: cmp al, 0xa3
0x12c41: in ax, 9
2018-12-25T13:06:51.696621405Z 76 PC: 12a45 | Terminate with return code (Return code = '0')