Sample viewer

vx.netlux.org/Virus.DOS.Vienna.634.a

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T21:55:36.663756646Z 48 PC: 18695 | Get DOS version
2018-12-17T21:55:36.665950432Z 47 PC: 186a1 | Get disk transfer address
2018-12-17T21:55:36.666936237Z 26 PC: 186b4 | Set disk transfer address
2018-12-17T21:55:36.668042932Z 78 PC: 18738 | Find first file
2018-12-17T21:55:36.677821502Z 67 PC: 18770 | Get or set file attributes
2018-12-17T21:55:36.684146972Z 67 PC: 18782 | Get or set file attributes
2018-12-17T21:55:37.052298539Z 61 PC: 1878d | Open file (Filename = 'C:\DOS\EDIT.COM')
2018-12-17T21:55:37.058540859Z 87 PC: 18799 | Get or set file date and time
2018-12-17T21:55:37.060459028Z 44 PC: 187a5 | Get time 0x187a5: and dh, 7
0x187a8: jne 0x187ba
0x187aa: mov ah, 0x40
0x187ac: mov cx, 5
0x187af: mov dx, si
0x187b1: add dx, 0x8a
0x187b5: int 0x21
0x187b7: jmp 0x18823
0x187b9: nop
0x187ba: mov ah, 0x3f
0x187bc: mov cx, 3
0x187bf: mov dx, 0xa
0x187c2: nop
0x187c3: add dx, si
0x187c5: int 0x21
0x187c7: jb 0x18823
0x187c9: cmp ax, 3
0x187cc: jne 0x18823
0x187ce: mov ax, 0x4202
0x187d1: mov cx, 0
2018-12-17T21:55:37.063082048Z 64 PC: 187b7 | Write file or device (Write 5 bytes on handle 5)
2018-12-17T21:55:37.074863936Z 87 PC: 18836 | Get or set file date and time
2018-12-17T21:55:37.077445777Z 62 PC: 1883a | Close file
2018-12-17T21:55:37.08532121Z 67 PC: 18849 | Get or set file attributes
2018-12-17T21:55:37.097599943Z 26 PC: 18856 | Set disk transfer address
2018-12-17T21:55:37.099083955Z 48 PC: 13627 | Get DOS version
2018-12-17T21:55:37.100540192Z 9 PC: 1363a | Display string (String= 'Incorrect DOS version ')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":0,"TimeBased":true,"OriginalID":606,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:41:22.976685106Z 48 PC: 18695 | Get DOS version
2018-12-25T11:41:22.978955986Z 47 PC: 186a1 | Get disk transfer address
2018-12-25T11:41:22.980405789Z 26 PC: 186b4 | Set disk transfer address
2018-12-25T11:41:22.982201094Z 78 PC: 18738 | Find first file
2018-12-25T11:41:22.993620847Z 67 PC: 18770 | Get or set file attributes
2018-12-25T11:41:23.001139738Z 67 PC: 18782 | Get or set file attributes
2018-12-25T11:41:23.666642503Z 61 PC: 1878d | Open file (Filename = 'C:\DOS\EDIT.COM')
2018-12-25T11:41:23.674733988Z 87 PC: 18799 | Get or set file date and time
2018-12-25T11:41:23.677798742Z 44 PC: 187a5 | Get time 0x187a5: and dh, 7
0x187a8: jne 0x187ba
0x187aa: mov ah, 0x40
0x187ac: mov cx, 5
0x187af: mov dx, si
0x187b1: add dx, 0x8a
0x187b5: int 0x21
0x187b7: jmp 0x18823
0x187b9: nop
0x187ba: mov ah, 0x3f
0x187bc: mov cx, 3
0x187bf: mov dx, 0xa
0x187c2: nop
0x187c3: add dx, si
0x187c5: int 0x21
0x187c7: jb 0x18823
0x187c9: cmp ax, 3
0x187cc: jne 0x18823
0x187ce: mov ax, 0x4202
0x187d1: mov cx, 0
2018-12-25T11:41:23.680844461Z 63 PC: 187c7 | Read file or device (Read 3 bytes on handle 5)
2018-12-25T11:41:23.687641598Z 66 PC: 187d9 | Move file pointer
2018-12-25T11:41:23.691048722Z 64 PC: 18802 | Write file or device (Write 634 bytes on handle 5)
2018-12-25T11:41:23.699292762Z 66 PC: 18815 | Move file pointer
2018-12-25T11:41:23.701234681Z 64 PC: 18823 | Write file or device (Write 3 bytes on handle 5)
2018-12-25T11:41:23.70874504Z 87 PC: 18836 | Get or set file date and time
2018-12-25T11:41:23.710916067Z 62 PC: 1883a | Close file
2018-12-25T11:41:23.718100268Z 67 PC: 18849 | Get or set file attributes
2018-12-25T11:41:23.730860371Z 26 PC: 18856 | Set disk transfer address
2018-12-25T11:41:23.732238995Z 48 PC: 13627 | Get DOS version
2018-12-25T11:41:23.733761245Z 9 PC: 1363a | Display string (String= 'Incorrect DOS version ')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":7,"TimeBased":true,"OriginalID":606,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:41:22.977751344Z 48 PC: 18695 | Get DOS version
2018-12-25T11:41:22.980293181Z 47 PC: 186a1 | Get disk transfer address
2018-12-25T11:41:22.981615967Z 26 PC: 186b4 | Set disk transfer address
2018-12-25T11:41:22.983100921Z 78 PC: 18738 | Find first file
2018-12-25T11:41:22.998056842Z 67 PC: 18770 | Get or set file attributes
2018-12-25T11:41:23.025344319Z 67 PC: 18782 | Get or set file attributes
2018-12-25T11:41:23.672769641Z 61 PC: 1878d | Open file (Filename = 'C:\DOS\EDIT.COM')
2018-12-25T11:41:23.680705303Z 87 PC: 18799 | Get or set file date and time
2018-12-25T11:41:23.683168833Z 44 PC: 187a5 | Get time 0x187a5: and dh, 7
0x187a8: jne 0x187ba
0x187aa: mov ah, 0x40
0x187ac: mov cx, 5
0x187af: mov dx, si
0x187b1: add dx, 0x8a
0x187b5: int 0x21
0x187b7: jmp 0x18823
0x187b9: nop
0x187ba: mov ah, 0x3f
0x187bc: mov cx, 3
0x187bf: mov dx, 0xa
0x187c2: nop
0x187c3: add dx, si
0x187c5: int 0x21
0x187c7: jb 0x18823
0x187c9: cmp ax, 3
0x187cc: jne 0x18823
0x187ce: mov ax, 0x4202
0x187d1: mov cx, 0
2018-12-25T11:41:23.685979934Z 63 PC: 187c7 | Read file or device (Read 3 bytes on handle 5)
2018-12-25T11:41:23.696048188Z 66 PC: 187d9 | Move file pointer
2018-12-25T11:41:23.698298827Z 64 PC: 18802 | Write file or device (Write 634 bytes on handle 5)
2018-12-25T11:41:23.716074296Z 66 PC: 18815 | Move file pointer
2018-12-25T11:41:23.717205231Z 64 PC: 18823 | Write file or device (Write 3 bytes on handle 5)
2018-12-25T11:41:23.721449286Z 87 PC: 18836 | Get or set file date and time
2018-12-25T11:41:23.723038989Z 62 PC: 1883a | Close file
2018-12-25T11:41:23.730242294Z 67 PC: 18849 | Get or set file attributes
2018-12-25T11:41:23.741116733Z 26 PC: 18856 | Set disk transfer address
2018-12-25T11:41:23.742193381Z 48 PC: 13627 | Get DOS version
2018-12-25T11:41:23.743208106Z 9 PC: 1363a | Display string (String= 'Incorrect DOS version ')