Sample viewer

vx.netlux.org/Virus.DOS.Riot.Multiplex.821

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:34:38.106892293Z 71 PC: 12a65 | Get current directory
2018-12-17T22:34:38.109295031Z 26 PC: 12a75 | Set disk transfer address
2018-12-17T22:34:38.110634145Z 78 PC: 12c8c | Find first file
2018-12-17T22:34:38.114526169Z 61 PC: 12a92 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:34:38.122057613Z 66 PC: 12aa9 | Move file pointer
2018-12-17T22:34:38.124033793Z 63 PC: 12abf | Read file or device (Read 5 bytes on handle 5)
2018-12-17T22:34:38.128700181Z 66 PC: 12ae9 | Move file pointer
2018-12-17T22:34:38.130086563Z 63 PC: 12af9 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:34:38.132770896Z 66 PC: 12b07 | Move file pointer
2018-12-17T22:34:38.134103661Z 64 PC: 12c28 | Write file or device (Write 821 bytes on handle 5)
2018-12-17T22:34:38.148216595Z 66 PC: 12b1f | Move file pointer
2018-12-17T22:34:38.150868831Z 64 PC: 12b2e | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:34:38.158133496Z 59 PC: 12b37 | Change current directory
2018-12-17T22:34:38.163561701Z 62 PC: 12c32 | Close file
2018-12-17T22:34:38.173374218Z 42 PC: 12b89 | Get date 0x12b89: cmp dl, 5
0x12b8c: jne 0x12b98
0x12b8e: mov al, 2
0x12b90: mov cx, 0x100
0x12b93: cdq
0x12b94: int 0x26
0x12b96: jmp 0x12b96
0x12b98: mov ax, 0x100
0x12b9b: jmp ax
0x12b9d: call 0x12c2b
0x12ba0: call 0x12d4f
0x12ba3: jb 0x12b3a
0x12ba5: jmp 0x12a88
0x12ba8: mov ah, 0x3b
0x12baa: lea dx, word ptr [si + 0x2f3]
0x12bae: int 0x21
0x12bb0: jmp 0x12b85
0x12bb2: call 0x94e92bf0
0x12bb8: add word ptr [bx + si], sp
0x12bba: dec bp
2018-12-17T22:34:38.176021351Z 76 PC: 12a44 | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":6201,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:58:48.72909462Z 71 PC: 12a65 | Get current directory
2018-12-25T11:58:48.731908025Z 26 PC: 12a75 | Set disk transfer address
2018-12-25T11:58:48.732897498Z 78 PC: 12c8c | Find first file
2018-12-25T11:58:48.736665038Z 61 PC: 12a92 | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:58:48.741282742Z 66 PC: 12aa9 | Move file pointer
2018-12-25T11:58:48.742869958Z 63 PC: 12abf | Read file or device (Read 5 bytes on handle 5)
2018-12-25T11:58:48.747702369Z 66 PC: 12ae9 | Move file pointer
2018-12-25T11:58:48.748776581Z 63 PC: 12af9 | Read file or device (Read 4 bytes on handle 5)
2018-12-25T11:58:48.750673697Z 66 PC: 12b07 | Move file pointer
2018-12-25T11:58:48.751639846Z 64 PC: 12c28 | Write file or device (Write 821 bytes on handle 5)
2018-12-25T11:58:48.762505213Z 66 PC: 12b1f | Move file pointer
2018-12-25T11:58:48.763907752Z 64 PC: 12b2e | Write file or device (Write 3 bytes on handle 5)
2018-12-25T11:58:48.770183544Z 59 PC: 12b37 | Change current directory
2018-12-25T11:58:48.774327773Z 62 PC: 12c32 | Close file
2018-12-25T11:58:48.782924946Z 42 PC: 12b89 | Get date 0x12b89: cmp dl, 5
0x12b8c: jne 0x12b98
0x12b8e: mov al, 2
0x12b90: mov cx, 0x100
0x12b93: cdq
0x12b94: int 0x26
0x12b96: jmp 0x12b96
0x12b98: mov ax, 0x100
0x12b9b: jmp ax
0x12b9d: call 0x12c2b
0x12ba0: call 0x12d4f
0x12ba3: jb 0x12b3a
0x12ba5: jmp 0x12a88
0x12ba8: mov ah, 0x3b
0x12baa: lea dx, word ptr [si + 0x2f3]
0x12bae: int 0x21
0x12bb0: jmp 0x12b85
0x12bb2: call 0x94e92bf0
0x12bb8: add word ptr [bx + si], sp
0x12bba: dec bp
2018-12-25T11:58:48.784978684Z 76 PC: 12a44 | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":5,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":6201,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:58:48.887873716Z 71 PC: 12a65 | Get current directory
2018-12-25T11:58:48.890853734Z 26 PC: 12a75 | Set disk transfer address
2018-12-25T11:58:48.892157272Z 78 PC: 12c8c | Find first file
2018-12-25T11:58:48.896899917Z 61 PC: 12a92 | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:58:48.902721565Z 66 PC: 12aa9 | Move file pointer
2018-12-25T11:58:48.904149506Z 63 PC: 12abf | Read file or device (Read 5 bytes on handle 5)
2018-12-25T11:58:48.908628547Z 66 PC: 12ae9 | Move file pointer
2018-12-25T11:58:48.909979335Z 63 PC: 12af9 | Read file or device (Read 4 bytes on handle 5)
2018-12-25T11:58:48.912837955Z 66 PC: 12b07 | Move file pointer
2018-12-25T11:58:48.925693459Z 64 PC: 12c28 | Write file or device (Write 821 bytes on handle 5)
2018-12-25T11:58:48.947189068Z 66 PC: 12b1f | Move file pointer
2018-12-25T11:58:48.949418335Z 64 PC: 12b2e | Write file or device (Write 3 bytes on handle 5)
2018-12-25T11:58:48.95718183Z 59 PC: 12b37 | Change current directory
2018-12-25T11:58:48.962442054Z 62 PC: 12c32 | Close file
2018-12-25T11:58:48.976086401Z 42 PC: 12b89 | Get date 0x12b89: cmp dl, 5
0x12b8c: jne 0x12b98
0x12b8e: mov al, 2
0x12b90: mov cx, 0x100
0x12b93: cdq
0x12b94: int 0x26
0x12b96: jmp 0x12b96
0x12b98: mov ax, 0x100
0x12b9b: jmp ax
0x12b9d: call 0x12c2b
0x12ba0: call 0x12d4f
0x12ba3: jb 0x12b3a
0x12ba5: jmp 0x12a88
0x12ba8: mov ah, 0x3b
0x12baa: lea dx, word ptr [si + 0x2f3]
0x12bae: int 0x21
0x12bb0: jmp 0x12b85
0x12bb2: call 0x94e92bf0
0x12bb8: add word ptr [bx + si], sp
0x12bba: dec bp