Sample viewer

vx.netlux.org/Virus.DOS.Boso.1388

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:03:26.328133786Z 75 PC: 12f47 | Execute program
2018-12-17T23:03:26.338291701Z 26 PC: 12f89 | Set disk transfer address
2018-12-17T23:03:26.339815006Z 53 PC: 12f8e | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:03:26.341282429Z 37 PC: 12f9f | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:03:26.342809278Z 44 PC: 12fa4 | Get time 0x12fa4: cmp ch, 6
0x12fa7: jb 0x12fc3
0x12fa9: cmp ch, 0xe
0x12fac: ja 0x12fc3
0x12fae: mov ax, 0x3528
0x12fb1: int 0x21
0x12fb3: mov word ptr [0xd3], bx
0x12fb7: mov word ptr [0xd5], es
0x12fbb: mov ax, 0x2528
0x12fbe: mov dx, 0x3c4
0x12fc1: int 0x21
0x12fc3: pop es
0x12fc4: pop ds
0x12fc5: pop bx
0x12fc6: cli
0x12fc7: mov ss, word ptr cs:[bx + 0xa1]
0x12fcc: mov sp, word ptr cs:[bx + 0xa3]
0x12fd1: sti
0x12fd2: ljmp ptr cs:[bx + 0xac]
0x12fd7: pop dx

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":0,"TimeBased":true,"OriginalID":14542,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:40:52.375139844Z 75 PC: 12f47 | Execute program
2018-12-25T12:40:52.377037291Z 26 PC: 12f89 | Set disk transfer address
2018-12-25T12:40:52.378730506Z 53 PC: 12f8e | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:40:52.380201425Z 37 PC: 12f9f | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:40:52.382514047Z 44 PC: 12fa4 | Get time 0x12fa4: cmp ch, 6
0x12fa7: jb 0x12fc3
0x12fa9: cmp ch, 0xe
0x12fac: ja 0x12fc3
0x12fae: mov ax, 0x3528
0x12fb1: int 0x21
0x12fb3: mov word ptr [0xd3], bx
0x12fb7: mov word ptr [0xd5], es
0x12fbb: mov ax, 0x2528
0x12fbe: mov dx, 0x3c4
0x12fc1: int 0x21
0x12fc3: pop es
0x12fc4: pop ds
0x12fc5: pop bx
0x12fc6: cli
0x12fc7: mov ss, word ptr cs:[bx + 0xa1]
0x12fcc: mov sp, word ptr cs:[bx + 0xa3]
0x12fd1: sti
0x12fd2: ljmp ptr cs:[bx + 0xac]
0x12fd7: pop dx

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":6,"Min":0,"Second":0,"TimeBased":true,"OriginalID":14542,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:40:52.387649257Z 75 PC: 12f47 | Execute program
2018-12-25T12:40:52.389698641Z 26 PC: 12f89 | Set disk transfer address
2018-12-25T12:40:52.391071268Z 53 PC: 12f8e | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:40:52.392607682Z 37 PC: 12f9f | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:40:52.393658669Z 44 PC: 12fa4 | Get time 0x12fa4: cmp ch, 6
0x12fa7: jb 0x12fc3
0x12fa9: cmp ch, 0xe
0x12fac: ja 0x12fc3
0x12fae: mov ax, 0x3528
0x12fb1: int 0x21
0x12fb3: mov word ptr [0xd3], bx
0x12fb7: mov word ptr [0xd5], es
0x12fbb: mov ax, 0x2528
0x12fbe: mov dx, 0x3c4
0x12fc1: int 0x21
0x12fc3: pop es
0x12fc4: pop ds
0x12fc5: pop bx
0x12fc6: cli
0x12fc7: mov ss, word ptr cs:[bx + 0xa1]
0x12fcc: mov sp, word ptr cs:[bx + 0xa3]
0x12fd1: sti
0x12fd2: ljmp ptr cs:[bx + 0xac]
0x12fd7: pop dx
2018-12-25T12:40:52.395652851Z 53 PC: 12fb3 | Get interrupt vector (Interrupt = '40' AKA 'Random block write')
2018-12-25T12:40:52.397334066Z 37 PC: 12fc3 | Set interrupt vector (Interrupt = '40' AKA 'Random block write')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":15,"Min":0,"Second":0,"TimeBased":true,"OriginalID":14542,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:40:52.492517882Z 75 PC: 12f47 | Execute program
2018-12-25T12:40:52.49488868Z 26 PC: 12f89 | Set disk transfer address
2018-12-25T12:40:52.496107226Z 53 PC: 12f8e | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:40:52.497377283Z 37 PC: 12f9f | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-25T12:40:52.499261768Z 44 PC: 12fa4 | Get time 0x12fa4: cmp ch, 6
0x12fa7: jb 0x12fc3
0x12fa9: cmp ch, 0xe
0x12fac: ja 0x12fc3
0x12fae: mov ax, 0x3528
0x12fb1: int 0x21
0x12fb3: mov word ptr [0xd3], bx
0x12fb7: mov word ptr [0xd5], es
0x12fbb: mov ax, 0x2528
0x12fbe: mov dx, 0x3c4
0x12fc1: int 0x21
0x12fc3: pop es
0x12fc4: pop ds
0x12fc5: pop bx
0x12fc6: cli
0x12fc7: mov ss, word ptr cs:[bx + 0xa1]
0x12fcc: mov sp, word ptr cs:[bx + 0xa3]
0x12fd1: sti
0x12fd2: ljmp ptr cs:[bx + 0xac]
0x12fd7: pop dx