Sample viewer

vx.netlux.org/Virus.DOS.Valentine.2332

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:51:21.347250222Z 44 PC: 12af9 | Get time 0x12af9: mov byte ptr cs:[bp + 0xe], dh
0x12afe: mov byte ptr cs:[bp + 0x680], 0xe
0x12b04: nop
0x12b05: call 0x12eb1
0x12b08: jae 0x12b10
0x12b0a: lea bx, word ptr [bp + 0x351]
0x12b0e: jmp bx
0x12b10: mov ah, 0x30
0x12b12: int 0x21
0x12b14: cmp ax, 4
0x12b17: jae 0x12b1f
0x12b19: lea bx, word ptr [bp + 0x351]
0x12b1d: jmp bx
0x12b1f: mov ah, 0x1a
0x12b21: lea dx, word ptr [bp + 0x6c0]
0x12b25: int 0x21
0x12b27: mov ah, 0x2a
0x12b29: int 0x21
0x12b2b: cmp dx, 0x20e
0x12b2f: je 0x12b37
2018-12-17T22:51:21.350435446Z 82 PC: 12eb5 | Get DOS internal pointers (SYSVARS)
2018-12-17T22:51:21.351865312Z 48 PC: 12b14 | Get DOS version
2018-12-17T22:51:21.353161316Z 26 PC: 12b27 | Set disk transfer address
2018-12-17T22:51:21.355014588Z 42 PC: 12b2b | Get date 0x12b2b: cmp dx, 0x20e
0x12b2f: je 0x12b37
0x12b31: lea bx, word ptr [bp + 0x15e]
0x12b35: jmp bx
0x12b37: mov ah, 0x4e
0x12b39: lea dx, word ptr [bp + 0x5f5]
0x12b3d: mov cx, 0x10
0x12b40: int 0x21
0x12b42: jae 0x12b47
0x12b44: jmp 0x12bc9
0x12b47: mov ah, 0x47
0x12b49: mov dl, 0
0x12b4b: lea si, word ptr [bp + 0x5ff]
0x12b4f: int 0x21
0x12b51: mov ah, 0x3b
0x12b53: lea dx, word ptr [bp + 0x5f5]
0x12b57: int 0x21
0x12b59: jb 0x12bc9
0x12b5b: mov ah, 0x4e
0x12b5d: lea dx, word ptr [bp + 0x5f1]
2018-12-17T22:51:21.357649539Z 78 PC: 12bed | Find first file
2018-12-17T22:51:21.364509325Z 61 PC: 12c13 | Open file (Filename = 'Cleaning started...$,Done ! Virus removed. Have a nice day and sleep well! $*.exe')
2018-12-17T22:51:21.37200175Z 66 PC: 12c58 | Move file pointer
2018-12-17T22:51:21.374926605Z 63 PC: 12c66 | Read file or device (Read 32 bytes on handle 5)
2018-12-17T22:51:21.377950636Z 66 PC: 12e71 | Move file pointer
2018-12-17T22:51:21.383240483Z 63 PC: 12e7f | Read file or device (Read 1 bytes on handle 5)
2018-12-17T22:51:21.389168509Z 62 PC: 12c35 | Close file
2018-12-17T22:51:21.391876767Z 79 PC: 12c79 | Find next file
2018-12-17T22:51:21.394933439Z 26 PC: 12dde | Set disk transfer address

{"DateBased":true,"Day":14,"Month":2,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10525,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:28:16.68249222Z 44 PC: 12af9 | Get time 0x12af9: mov byte ptr cs:[bp + 0xe], dh
0x12afe: mov byte ptr cs:[bp + 0x680], 0xe
0x12b04: nop
0x12b05: call 0x12eb1
0x12b08: jae 0x12b10
0x12b0a: lea bx, word ptr [bp + 0x351]
0x12b0e: jmp bx
0x12b10: mov ah, 0x30
0x12b12: int 0x21
0x12b14: cmp ax, 4
0x12b17: jae 0x12b1f
0x12b19: lea bx, word ptr [bp + 0x351]
0x12b1d: jmp bx
0x12b1f: mov ah, 0x1a
0x12b21: lea dx, word ptr [bp + 0x6c0]
0x12b25: int 0x21
0x12b27: mov ah, 0x2a
0x12b29: int 0x21
0x12b2b: cmp dx, 0x20e
0x12b2f: je 0x12b37
2018-12-25T12:28:16.686225638Z 82 PC: 12eb5 | Get DOS internal pointers (SYSVARS)
2018-12-25T12:28:16.687831639Z 48 PC: 12b14 | Get DOS version
2018-12-25T12:28:16.689301355Z 26 PC: 12b27 | Set disk transfer address
2018-12-25T12:28:16.69204205Z 42 PC: 12b2b | Get date 0x12b2b: cmp dx, 0x20e
0x12b2f: je 0x12b37
0x12b31: lea bx, word ptr [bp + 0x15e]
0x12b35: jmp bx
0x12b37: mov ah, 0x4e
0x12b39: lea dx, word ptr [bp + 0x5f5]
0x12b3d: mov cx, 0x10
0x12b40: int 0x21
0x12b42: jae 0x12b47
0x12b44: jmp 0x12bc9
0x12b47: mov ah, 0x47
0x12b49: mov dl, 0
0x12b4b: lea si, word ptr [bp + 0x5ff]
0x12b4f: int 0x21
0x12b51: mov ah, 0x3b
0x12b53: lea dx, word ptr [bp + 0x5f5]
0x12b57: int 0x21
0x12b59: jb 0x12bc9
0x12b5b: mov ah, 0x4e
0x12b5d: lea dx, word ptr [bp + 0x5f1]
2018-12-25T12:28:16.694509578Z 78 PC: 12b42 | Find first file
2018-12-25T12:28:16.700620912Z 9 PC: 12bd1 | Display string (Could not find end pointer)
2018-12-25T12:28:16.801530519Z 78 PC: 12bed | Find first file
2018-12-25T12:28:16.805865855Z 61 PC: 12c13 | Open file (Filename = 'Cleaning started...$,Done ! Virus removed. Have a nice day and sleep well! $*.exe')
2018-12-25T12:28:16.81045776Z 66 PC: 12c58 | Move file pointer
2018-12-25T12:28:16.81172464Z 63 PC: 12c66 | Read file or device (Read 32 bytes on handle 5)
2018-12-25T12:28:16.814351924Z 66 PC: 12e71 | Move file pointer
2018-12-25T12:28:16.815509345Z 63 PC: 12e7f | Read file or device (Read 1 bytes on handle 5)
2018-12-25T12:28:16.817257142Z 62 PC: 12c35 | Close file
2018-12-25T12:28:16.819549263Z 79 PC: 12c79 | Find next file
2018-12-25T12:28:16.821649599Z 26 PC: 12dde | Set disk transfer address

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":10525,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:28:16.761351647Z 44 PC: 12af9 | Get time 0x12af9: mov byte ptr cs:[bp + 0xe], dh
0x12afe: mov byte ptr cs:[bp + 0x680], 0xe
0x12b04: nop
0x12b05: call 0x12eb1
0x12b08: jae 0x12b10
0x12b0a: lea bx, word ptr [bp + 0x351]
0x12b0e: jmp bx
0x12b10: mov ah, 0x30
0x12b12: int 0x21
0x12b14: cmp ax, 4
0x12b17: jae 0x12b1f
0x12b19: lea bx, word ptr [bp + 0x351]
0x12b1d: jmp bx
0x12b1f: mov ah, 0x1a
0x12b21: lea dx, word ptr [bp + 0x6c0]
0x12b25: int 0x21
0x12b27: mov ah, 0x2a
0x12b29: int 0x21
0x12b2b: cmp dx, 0x20e
0x12b2f: je 0x12b37
2018-12-25T12:28:16.764068069Z 82 PC: 12eb5 | Get DOS internal pointers (SYSVARS)
2018-12-25T12:28:16.765236514Z 48 PC: 12b14 | Get DOS version
2018-12-25T12:28:16.766288865Z 26 PC: 12b27 | Set disk transfer address
2018-12-25T12:28:16.767864742Z 42 PC: 12b2b | Get date 0x12b2b: cmp dx, 0x20e
0x12b2f: je 0x12b37
0x12b31: lea bx, word ptr [bp + 0x15e]
0x12b35: jmp bx
0x12b37: mov ah, 0x4e
0x12b39: lea dx, word ptr [bp + 0x5f5]
0x12b3d: mov cx, 0x10
0x12b40: int 0x21
0x12b42: jae 0x12b47
0x12b44: jmp 0x12bc9
0x12b47: mov ah, 0x47
0x12b49: mov dl, 0
0x12b4b: lea si, word ptr [bp + 0x5ff]
0x12b4f: int 0x21
0x12b51: mov ah, 0x3b
0x12b53: lea dx, word ptr [bp + 0x5f5]
0x12b57: int 0x21
0x12b59: jb 0x12bc9
0x12b5b: mov ah, 0x4e
0x12b5d: lea dx, word ptr [bp + 0x5f1]
2018-12-25T12:28:16.770077089Z 78 PC: 12bed | Find first file
2018-12-25T12:28:16.776187744Z 61 PC: 12c13 | Open file (Filename = 'Cleaning started...$,Done ! Virus removed. Have a nice day and sleep well! $*.exe')
2018-12-25T12:28:16.784478099Z 66 PC: 12c58 | Move file pointer
2018-12-25T12:28:16.786608212Z 63 PC: 12c66 | Read file or device (Read 32 bytes on handle 5)
2018-12-25T12:28:16.789629008Z 66 PC: 12e71 | Move file pointer
2018-12-25T12:28:16.791361683Z 63 PC: 12e7f | Read file or device (Read 1 bytes on handle 5)
2018-12-25T12:28:16.794155748Z 62 PC: 12c35 | Close file
2018-12-25T12:28:16.796059594Z 79 PC: 12c79 | Find next file
2018-12-25T12:28:16.799652694Z 26 PC: 12dde | Set disk transfer address