Sample viewer

vx.netlux.org/Virus.DOS.Mayhem

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T21:57:20.193155988Z 42 PC: 12a7e | Get date 0x12a7e: cmp al, 2
0x12a80: je 0x12a66
0x12a82: mov ax, 0x2524
0x12a85: lea dx, word ptr [bp + 0x1e5]
0x12a89: int 0x21
0x12a8b: mov ah, 0x2c
0x12a8d: int 0x21
0x12a8f: mov byte ptr [0x2c5], dl
0x12a93: lea dx, word ptr [bp + 0x29b]
0x12a97: mov ah, 0x1a
0x12a99: int 0x21
0x12a9b: mov ah, 0x47
0x12a9d: mov dl, 0
0x12a9f: mov si, 0x25b
0x12aa2: int 0x21
0x12aa4: mov dx, 0x251
0x12aa7: mov ah, 0x3b
0x12aa9: int 0x21
0x12aab: jae 0x12aa4
0x12aad: mov ah, 9
2018-12-17T21:57:20.19690719Z 37 PC: 12a8b | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T21:57:20.198114583Z 44 PC: 12a8f | Get time 0x12a8f: mov byte ptr [0x2c5], dl
0x12a93: lea dx, word ptr [bp + 0x29b]
0x12a97: mov ah, 0x1a
0x12a99: int 0x21
0x12a9b: mov ah, 0x47
0x12a9d: mov dl, 0
0x12a9f: mov si, 0x25b
0x12aa2: int 0x21
0x12aa4: mov dx, 0x251
0x12aa7: mov ah, 0x3b
0x12aa9: int 0x21
0x12aab: jae 0x12aa4
0x12aad: mov ah, 9
0x12aaf: mov dx, 0x1e8
0x12ab2: int 0x21
0x12ab4: call 0x22a5d
0x12ab7: mov dx, 0x25b
0x12aba: mov ah, 0x3b
0x12abc: int 0x21
0x12abe: mov dx, 0x255
2018-12-17T21:57:20.199628929Z 26 PC: 12a9b | Set disk transfer address
2018-12-17T21:57:20.200960406Z 71 PC: 12aa4 | Get current directory
2018-12-17T21:57:20.20292512Z 59 PC: 12aab | Change current directory
2018-12-17T21:57:20.207177261Z 9 PC: 12ab4 | Display string (String= 'Mayhem Virus')
2018-12-17T21:57:20.209355417Z 59 PC: 12abe | Change current directory
2018-12-17T21:57:20.211619447Z 78 PC: 12ac8 | Find first file
2018-12-17T21:57:20.217906087Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.506856057Z 61 PC: 12b17 | Open file (Filename = 'SLEEP.COM')
2018-12-17T21:57:20.519528976Z 64 PC: 12af1 | Write file or device (Write 457 bytes on handle 5)
2018-12-17T21:57:20.543710806Z 87 PC: 12b00 | Get or set file date and time
2018-12-17T21:57:20.545219628Z 62 PC: 12b04 | Close file
2018-12-17T21:57:20.553848602Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.563850738Z 79 PC: 12ac8 | Find next file
2018-12-17T21:57:20.566828154Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.577641151Z 61 PC: 12b17 | Open file (Filename = 'PRINT.COM')
2018-12-17T21:57:20.584586715Z 64 PC: 12af1 | Write file or device (Write 457 bytes on handle 5)
2018-12-17T21:57:20.591394471Z 87 PC: 12b00 | Get or set file date and time
2018-12-17T21:57:20.594475449Z 62 PC: 12b04 | Close file
2018-12-17T21:57:20.601908017Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.611632624Z 79 PC: 12ac8 | Find next file
2018-12-17T21:57:20.615204838Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.62498416Z 61 PC: 12b17 | Open file (Filename = 'HELLO.COM')
2018-12-17T21:57:20.631655981Z 64 PC: 12af1 | Write file or device (Write 457 bytes on handle 5)
2018-12-17T21:57:20.639173978Z 87 PC: 12b00 | Get or set file date and time
2018-12-17T21:57:20.64106205Z 62 PC: 12b04 | Close file
2018-12-17T21:57:20.648455822Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.661767486Z 79 PC: 12ac8 | Find next file
2018-12-17T21:57:20.664736729Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.674116899Z 61 PC: 12b17 | Open file (Filename = 'PHANG.COM')
2018-12-17T21:57:20.680839814Z 64 PC: 12af1 | Write file or device (Write 457 bytes on handle 5)
2018-12-17T21:57:20.692679812Z 87 PC: 12b00 | Get or set file date and time
2018-12-17T21:57:20.694961621Z 62 PC: 12b04 | Close file
2018-12-17T21:57:20.702072525Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.714267378Z 79 PC: 12ac8 | Find next file
2018-12-17T21:57:20.717026164Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.729674418Z 61 PC: 12b17 | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T21:57:20.736906917Z 64 PC: 12af1 | Write file or device (Write 457 bytes on handle 5)
2018-12-17T21:57:20.742825595Z 87 PC: 12b00 | Get or set file date and time
2018-12-17T21:57:20.744023796Z 62 PC: 12b04 | Close file
2018-12-17T21:57:20.749509497Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.755662085Z 79 PC: 12ac8 | Find next file
2018-12-17T21:57:20.758648935Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.774217313Z 61 PC: 12b17 | Open file (Filename = 'MANDEL.COM')
2018-12-17T21:57:20.785473111Z 64 PC: 12af1 | Write file or device (Write 457 bytes on handle 5)
2018-12-17T21:57:20.792236246Z 87 PC: 12b00 | Get or set file date and time
2018-12-17T21:57:20.795145575Z 62 PC: 12b04 | Close file
2018-12-17T21:57:20.802359244Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.812091654Z 79 PC: 12ac8 | Find next file
2018-12-17T21:57:20.815796473Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.825782673Z 61 PC: 12b17 | Open file (Filename = 'PAH.COM')
2018-12-17T21:57:20.832536862Z 64 PC: 12af1 | Write file or device (Write 457 bytes on handle 5)
2018-12-17T21:57:20.839354624Z 87 PC: 12b00 | Get or set file date and time
2018-12-17T21:57:20.841472968Z 62 PC: 12b04 | Close file
2018-12-17T21:57:20.848739195Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.861409432Z 79 PC: 12ac8 | Find next file
2018-12-17T21:57:20.864253138Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.873710139Z 61 PC: 12b17 | Open file (Filename = 'TEST.COM')
2018-12-17T21:57:20.880355312Z 64 PC: 12af1 | Write file or device (Write 457 bytes on handle 5)
2018-12-17T21:57:20.887176027Z 87 PC: 12b00 | Get or set file date and time
2018-12-17T21:57:20.888570879Z 62 PC: 12b04 | Close file
2018-12-17T21:57:20.895745488Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.90539388Z 79 PC: 12ac8 | Find next file
2018-12-17T21:57:20.907712975Z 9 PC: 12ad8 | Display string (String= 'Mayhem Virus')
2018-12-17T21:57:20.909861622Z 67 PC: 12b24 | Get or set file attributes
2018-12-17T21:57:20.922548796Z 61 PC: 12b17 | Open file (Filename = 'TEST.COM')
2018-12-17T21:57:20.928976317Z 64 PC: 12af1 | Write file or device (Write 457 bytes on handle 5)
2018-12-17T21:57:20.935244449Z 87 PC: 12b00 | Get or set file date and time
2018-12-17T21:57:20.937217562Z 62 PC: 12b04 | Close file
2018-12-17T21:57:20.944218546Z 67 PC: 12b24 | Get or set file attributes

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":805,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:41:54.379678531Z 42 PC: 12a7e | Get date 0x12a7e: cmp al, 2
0x12a80: je 0x12a66
0x12a82: mov ax, 0x2524
0x12a85: lea dx, word ptr [bp + 0x1e5]
0x12a89: int 0x21
0x12a8b: mov ah, 0x2c
0x12a8d: int 0x21
0x12a8f: mov byte ptr [0x2c5], dl
0x12a93: lea dx, word ptr [bp + 0x29b]
0x12a97: mov ah, 0x1a
0x12a99: int 0x21
0x12a9b: mov ah, 0x47
0x12a9d: mov dl, 0
0x12a9f: mov si, 0x25b
0x12aa2: int 0x21
0x12aa4: mov dx, 0x251
0x12aa7: mov ah, 0x3b
0x12aa9: int 0x21
0x12aab: jae 0x12aa4
0x12aad: mov ah, 9

{"DateBased":true,"Day":2,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":805,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:41:54.446376789Z 42 PC: 12a7e | Get date 0x12a7e: cmp al, 2
0x12a80: je 0x12a66
0x12a82: mov ax, 0x2524
0x12a85: lea dx, word ptr [bp + 0x1e5]
0x12a89: int 0x21
0x12a8b: mov ah, 0x2c
0x12a8d: int 0x21
0x12a8f: mov byte ptr [0x2c5], dl
0x12a93: lea dx, word ptr [bp + 0x29b]
0x12a97: mov ah, 0x1a
0x12a99: int 0x21
0x12a9b: mov ah, 0x47
0x12a9d: mov dl, 0
0x12a9f: mov si, 0x25b
0x12aa2: int 0x21
0x12aa4: mov dx, 0x251
0x12aa7: mov ah, 0x3b
0x12aa9: int 0x21
0x12aab: jae 0x12aa4
0x12aad: mov ah, 9
2018-12-25T11:41:54.449723998Z 37 PC: 12a8b | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-25T11:41:54.453712086Z 44 PC: 12a8f | Get time 0x12a8f: mov byte ptr [0x2c5], dl
0x12a93: lea dx, word ptr [bp + 0x29b]
0x12a97: mov ah, 0x1a
0x12a99: int 0x21
0x12a9b: mov ah, 0x47
0x12a9d: mov dl, 0
0x12a9f: mov si, 0x25b
0x12aa2: int 0x21
0x12aa4: mov dx, 0x251
0x12aa7: mov ah, 0x3b
0x12aa9: int 0x21
0x12aab: jae 0x12aa4
0x12aad: mov ah, 9
0x12aaf: mov dx, 0x1e8
0x12ab2: int 0x21
0x12ab4: call 0x22a5d
0x12ab7: mov dx, 0x25b
0x12aba: mov ah, 0x3b
0x12abc: int 0x21
0x12abe: mov dx, 0x255
2018-12-25T11:41:54.456492079Z 26 PC: 12a9b | Set disk transfer address
2018-12-25T11:41:54.459155593Z 71 PC: 12aa4 | Get current directory
2018-12-25T11:41:54.462447717Z 59 PC: 12aab | Change current directory
2018-12-25T11:41:54.46782713Z 9 PC: 12ab4 | Display string (String= 'Mayhem Virus')
2018-12-25T11:41:54.470334361Z 59 PC: 12abe | Change current directory
2018-12-25T11:41:54.473548666Z 78 PC: 12ac8 | Find first file
2018-12-25T11:41:54.48062389Z 67 PC: 12b24 | Get or set file attributes
2018-12-25T11:41:54.498213095Z 61 PC: 12b17 | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:41:54.506710745Z 64 PC: 12af1 | Write file or device (Write 457 bytes on handle 5)
2018-12-25T11:41:54.514282753Z 87 PC: 12b00 | Get or set file date and time
2018-12-25T11:41:54.516054907Z 62 PC: 12b04 | Close file
2018-12-25T11:41:54.533518827Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.551964177Z 79 PC: 12ac8 | Find next file (See above)
2018-12-25T11:41:54.557051225Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.568430961Z 61 PC: 12b17 | Open file (See above)
2018-12-25T11:41:54.575377751Z 64 PC: 12af1 | Write file or device (See above)
2018-12-25T11:41:54.583049146Z 87 PC: 12b00 | Get or set file date and time (See above)
2018-12-25T11:41:54.585973022Z 62 PC: 12b04 | Close file (See above)
2018-12-25T11:41:54.599601908Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.630930816Z 79 PC: 12ac8 | Find next file (See above)
2018-12-25T11:41:54.634446047Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.646798861Z 61 PC: 12b17 | Open file (See above)
2018-12-25T11:41:54.654769138Z 64 PC: 12af1 | Write file or device (See above)
2018-12-25T11:41:54.663158405Z 87 PC: 12b00 | Get or set file date and time (See above)
2018-12-25T11:41:54.666220328Z 62 PC: 12b04 | Close file (See above)
2018-12-25T11:41:54.674927303Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.686536157Z 79 PC: 12ac8 | Find next file (See above)
2018-12-25T11:41:54.695982367Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.707228974Z 61 PC: 12b17 | Open file (See above)
2018-12-25T11:41:54.715108231Z 64 PC: 12af1 | Write file or device (See above)
2018-12-25T11:41:54.724453815Z 87 PC: 12b00 | Get or set file date and time (See above)
2018-12-25T11:41:54.726262919Z 62 PC: 12b04 | Close file (See above)
2018-12-25T11:41:54.735266165Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.747276705Z 79 PC: 12ac8 | Find next file (See above)
2018-12-25T11:41:54.750711026Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.761939854Z 61 PC: 12b17 | Open file (See above)
2018-12-25T11:41:54.769961683Z 64 PC: 12af1 | Write file or device (See above)
2018-12-25T11:41:54.77789165Z 87 PC: 12b00 | Get or set file date and time (See above)
2018-12-25T11:41:54.779891066Z 62 PC: 12b04 | Close file (See above)
2018-12-25T11:41:54.788500155Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.81574319Z 79 PC: 12ac8 | Find next file (See above)
2018-12-25T11:41:54.819114461Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.830499104Z 61 PC: 12b17 | Open file (See above)
2018-12-25T11:41:54.83598936Z 64 PC: 12af1 | Write file or device (See above)
2018-12-25T11:41:54.840496597Z 87 PC: 12b00 | Get or set file date and time (See above)
2018-12-25T11:41:54.841840158Z 62 PC: 12b04 | Close file (See above)
2018-12-25T11:41:54.847770299Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.855323318Z 79 PC: 12ac8 | Find next file (See above)
2018-12-25T11:41:54.858368854Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.866742367Z 61 PC: 12b17 | Open file (See above)
2018-12-25T11:41:54.871914267Z 64 PC: 12af1 | Write file or device (See above)
2018-12-25T11:41:54.877288657Z 87 PC: 12b00 | Get or set file date and time (See above)
2018-12-25T11:41:54.879378365Z 62 PC: 12b04 | Close file (See above)
2018-12-25T11:41:54.885413083Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.892850576Z 79 PC: 12ac8 | Find next file (See above)
2018-12-25T11:41:54.895314675Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.904232819Z 61 PC: 12b17 | Open file (See above)
2018-12-25T11:41:54.914874174Z 64 PC: 12af1 | Write file or device (See above)
2018-12-25T11:41:54.919369435Z 87 PC: 12b00 | Get or set file date and time (See above)
2018-12-25T11:41:54.921323962Z 62 PC: 12b04 | Close file (See above)
2018-12-25T11:41:54.927034942Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.934681962Z 79 PC: 12ac8 | Find next file (See above)
2018-12-25T11:41:54.937444407Z 9 PC: 12ad8 | Display string (String= 'Mayhem Virus')
2018-12-25T11:41:54.939496375Z 67 PC: 12b24 | Get or set file attributes (See above)
2018-12-25T11:41:54.947174841Z 61 PC: 12b17 | Open file (See above)
2018-12-25T11:41:54.952773582Z 64 PC: 12af1 | Write file or device (See above)
2018-12-25T11:41:54.954936216Z 87 PC: 12b00 | Get or set file date and time (See above)
2018-12-25T11:41:54.956544613Z 62 PC: 12b04 | Close file (See above)
2018-12-25T11:41:54.962956658Z 67 PC: 12b24 | Get or set file attributes (See above)