Sample viewer

vx.netlux.org/Virus.DOS.M5VP2.1678

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:11:19.327584906Z 42 PC: 12e4d | Get date 0x12e4d: cmp cx, 0x7c9
0x12e51: jbe 0x12e56
0x12e53: jmp 0x130ac
0x12e56: mov ah, 0x2a
0x12e58: int 0x21
0x12e5a: cmp dh, 5
0x12e5d: jbe 0x12e62
0x12e5f: jmp 0x130ac
0x12e62: mov si, 0x3fe
0x12e65: add si, word ptr [0x103]
0x12e69: lodsw ax, word ptr [si]
0x12e6a: inc ax
0x12e6b: mov di, 0x3fe
0x12e6e: add di, word ptr [0x103]
0x12e72: stosw word ptr es:[di], ax
0x12e73: xor cx, cx
0x12e75: push ds
0x12e76: mov ds, cx
0x12e78: mov si, 0x200
0x12e7b: lodsw ax, word ptr [si]
2018-12-17T23:11:19.331179068Z 9 PC: 12e26 | Display string (String= 'a(DEF- This is a 1000 byte COM test, 1994 ')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":17151,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:55:04.773297882Z 42 PC: 12e4d | Get date 0x12e4d: cmp cx, 0x7c9
0x12e51: jbe 0x12e56
0x12e53: jmp 0x130ac
0x12e56: mov ah, 0x2a
0x12e58: int 0x21
0x12e5a: cmp dh, 5
0x12e5d: jbe 0x12e62
0x12e5f: jmp 0x130ac
0x12e62: mov si, 0x3fe
0x12e65: add si, word ptr [0x103]
0x12e69: lodsw ax, word ptr [si]
0x12e6a: inc ax
0x12e6b: mov di, 0x3fe
0x12e6e: add di, word ptr [0x103]
0x12e72: stosw word ptr es:[di], ax
0x12e73: xor cx, cx
0x12e75: push ds
0x12e76: mov ds, cx
0x12e78: mov si, 0x200
0x12e7b: lodsw ax, word ptr [si]
2018-12-25T12:55:04.775730148Z 42 PC: 12e5a | Get date 0x12e5a: cmp dh, 5
0x12e5d: jbe 0x12e62
0x12e5f: jmp 0x130ac
0x12e62: mov si, 0x3fe
0x12e65: add si, word ptr [0x103]
0x12e69: lodsw ax, word ptr [si]
0x12e6a: inc ax
0x12e6b: mov di, 0x3fe
0x12e6e: add di, word ptr [0x103]
0x12e72: stosw word ptr es:[di], ax
0x12e73: xor cx, cx
0x12e75: push ds
0x12e76: mov ds, cx
0x12e78: mov si, 0x200
0x12e7b: lodsw ax, word ptr [si]
0x12e7c: pop ds
0x12e7d: cmp ax, 0
0x12e80: jne 0x12e92
0x12e82: mov ah, 2
0x12e84: int 0x1a
2018-12-25T12:55:04.777933903Z 78 PC: 12ece | Find first file
2018-12-25T12:55:04.786602691Z 47 PC: 12eeb | Get disk transfer address
2018-12-25T12:55:04.788048717Z 61 PC: 12f1f | Open file (Filename = 'c:\dos\EDIT.COM')
2018-12-25T12:55:04.794677135Z 87 PC: 12f26 | Get or set file date and time
2018-12-25T12:55:04.795964012Z 66 PC: 130d9 | Move file pointer
2018-12-25T12:55:04.797653942Z 66 PC: 130d9 | Move file pointer (See above)
2018-12-25T12:55:04.798916464Z 63 PC: 12f82 | Read file or device (Read 5 bytes on handle 5)
2018-12-25T12:55:04.804291186Z 66 PC: 130d9 | Move file pointer (See above)
2018-12-25T12:55:04.805944146Z 64 PC: 12ffb | Write file or device (Write 5 bytes on handle 5)
2018-12-25T12:55:04.808815052Z 66 PC: 130d9 | Move file pointer (See above)
2018-12-25T12:55:04.811340485Z 64 PC: 13042 | Write file or device (Write 1678 bytes on handle 5)
2018-12-25T12:55:05.223721081Z 87 PC: 1305b | Get or set file date and time
2018-12-25T12:55:05.225013724Z 62 PC: 1305f | Close file
2018-12-25T12:55:05.231223158Z 42 PC: 13063 | Get date 0x13063: cmp dl, 5
0x13066: je 0x1309d
0x13068: cmp dl, 6
0x1306b: je 0x1309d
0x1306d: cmp dl, 0xa
0x13070: je 0x1309d
0x13072: cmp dl, 0xb
0x13075: je 0x1309d
0x13077: cmp dl, 0xf
0x1307a: je 0x1309d
0x1307c: cmp dl, 0x10
0x1307f: je 0x1309d
0x13081: cmp dl, 0x14
0x13084: je 0x1309d
0x13086: cmp dl, 0x15
0x13089: je 0x1309d
0x1308b: cmp dl, 0x19
0x1308e: je 0x1309d
0x13090: cmp dl, 0x1a
0x13093: je 0x1309d
2018-12-25T12:55:05.233447128Z 9 PC: 12e26 | Display string (String= 'BCDEF- This is a 1000 byte COM test, 1994 ')

{"DateBased":true,"Day":1,"Month":1,"Year":1993,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":17151,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:55:04.858515956Z 42 PC: 12e4d | Get date 0x12e4d: cmp cx, 0x7c9
0x12e51: jbe 0x12e56
0x12e53: jmp 0x130ac
0x12e56: mov ah, 0x2a
0x12e58: int 0x21
0x12e5a: cmp dh, 5
0x12e5d: jbe 0x12e62
0x12e5f: jmp 0x130ac
0x12e62: mov si, 0x3fe
0x12e65: add si, word ptr [0x103]
0x12e69: lodsw ax, word ptr [si]
0x12e6a: inc ax
0x12e6b: mov di, 0x3fe
0x12e6e: add di, word ptr [0x103]
0x12e72: stosw word ptr es:[di], ax
0x12e73: xor cx, cx
0x12e75: push ds
0x12e76: mov ds, cx
0x12e78: mov si, 0x200
0x12e7b: lodsw ax, word ptr [si]
2018-12-25T12:55:04.861252097Z 42 PC: 12e5a | Get date 0x12e5a: cmp dh, 5
0x12e5d: jbe 0x12e62
0x12e5f: jmp 0x130ac
0x12e62: mov si, 0x3fe
0x12e65: add si, word ptr [0x103]
0x12e69: lodsw ax, word ptr [si]
0x12e6a: inc ax
0x12e6b: mov di, 0x3fe
0x12e6e: add di, word ptr [0x103]
0x12e72: stosw word ptr es:[di], ax
0x12e73: xor cx, cx
0x12e75: push ds
0x12e76: mov ds, cx
0x12e78: mov si, 0x200
0x12e7b: lodsw ax, word ptr [si]
0x12e7c: pop ds
0x12e7d: cmp ax, 0
0x12e80: jne 0x12e92
0x12e82: mov ah, 2
0x12e84: int 0x1a
2018-12-25T12:55:04.86412499Z 78 PC: 12ece | Find first file
2018-12-25T12:55:04.87407526Z 47 PC: 12eeb | Get disk transfer address
2018-12-25T12:55:04.876296901Z 61 PC: 12f1f | Open file (Filename = 'c:\dos\EDIT.COM')
2018-12-25T12:55:04.884101455Z 87 PC: 12f26 | Get or set file date and time
2018-12-25T12:55:04.885887758Z 66 PC: 130d9 | Move file pointer
2018-12-25T12:55:04.887589287Z 66 PC: 130d9 | Move file pointer (See above)
2018-12-25T12:55:04.889466477Z 63 PC: 12f82 | Read file or device (Read 5 bytes on handle 5)
2018-12-25T12:55:04.895725382Z 66 PC: 130d9 | Move file pointer (See above)
2018-12-25T12:55:04.897220265Z 64 PC: 12ffb | Write file or device (Write 5 bytes on handle 5)
2018-12-25T12:55:04.908965493Z 66 PC: 130d9 | Move file pointer (See above)
2018-12-25T12:55:04.912447844Z 64 PC: 13042 | Write file or device (Write 1678 bytes on handle 5)
2018-12-25T12:55:05.375954069Z 87 PC: 1305b | Get or set file date and time
2018-12-25T12:55:05.378279475Z 62 PC: 1305f | Close file
2018-12-25T12:55:05.388622178Z 42 PC: 13063 | Get date 0x13063: cmp dl, 5
0x13066: je 0x1309d
0x13068: cmp dl, 6
0x1306b: je 0x1309d
0x1306d: cmp dl, 0xa
0x13070: je 0x1309d
0x13072: cmp dl, 0xb
0x13075: je 0x1309d
0x13077: cmp dl, 0xf
0x1307a: je 0x1309d
0x1307c: cmp dl, 0x10
0x1307f: je 0x1309d
0x13081: cmp dl, 0x14
0x13084: je 0x1309d
0x13086: cmp dl, 0x15
0x13089: je 0x1309d
0x1308b: cmp dl, 0x19
0x1308e: je 0x1309d
0x13090: cmp dl, 0x1a
0x13093: je 0x1309d
2018-12-25T12:55:05.390733152Z 9 PC: 12e26 | Display string (String= 'BCDEF- This is a 1000 byte COM test, 1994 ')