def parse_vba(self, save_path): save = False vbaparser = VBA_Parser(__sessions__.current.file.path) # Check for Macros if not vbaparser.detect_vba_macros(): self.log('error', "No Macro's Detected") return self.log('info', "Macro's Detected") #try: if True: an_results = {'AutoExec':[], 'Suspicious':[], 'IOC':[], 'Hex String':[], 'Base64 String':[], 'Dridex String':[], 'VBA string':[]} for (filename, stream_path, vba_filename, vba_code) in vbaparser.extract_macros(): self.log('info', "Stream Details") self.log('item', "OLE Stream: {0}".format(string_clean(stream_path))) self.log('item', "VBA Filename: {0}".format(string_clean(vba_filename))) # Analyse the VBA Code vba_scanner = VBA_Scanner(vba_code) analysis = vba_scanner.scan(include_decoded_strings=True) for kw_type, keyword, description in analysis: an_results[kw_type].append([string_clean_hex(keyword), description]) # Save the code to external File if save_path: try: with open(save_path, 'a') as out: out.write(vba_code) save = True except: self.log('error', "Unable to write to {0}".format(save_path)) return # Print all Tables together self.log('info', "AutoRun Macros Found") self.log('table', dict(header=['Method', 'Description'], rows=an_results['AutoExec'])) self.log('info', "Suspicious Keywords Found") self.log('table', dict(header=['KeyWord', 'Description'], rows=an_results['Suspicious'])) self.log('info', "Possible IOC's") self.log('table', dict(header=['IOC', 'Type'], rows=an_results['IOC'])) self.log('info', "Hex Strings") self.log('table', dict(header=['Decoded', 'Raw'], rows=an_results['Hex String'])) self.log('info', "Base64 Strings") self.log('table', dict(header=['Decoded', 'Raw'], rows=an_results['Base64 String'])) self.log('info', "Dridex String") self.log('table', dict(header=['Decoded', 'Raw'], rows=an_results['Dridex String'])) self.log('info', "VBA string") self.log('table', dict(header=['Decoded', 'Raw'], rows=an_results['VBA string'])) if save: self.log('success', "Writing VBA Code to {0}".format(save_path)) #except: #self.log('error', "Unable to Process File") # Close the file vbaparser.close()
def parse_vba(self, save_path): """ Parse VBA scripts. """ save = False vbaparser = VBA_Parser(__sessions__.current.file.path) # Check for Macros if not vbaparser.detect_vba_macros(): self.log("error", "No macros detected") return self.log("info", "Macros detected") # try: if True: an_results = { "AutoExec": [], "Suspicious": [], "IOC": [], "Hex String": [], "Base64 String": [], "Dridex string": [], "VBA string": [] } for (filename, stream_path, vba_filename, vba_code) in vbaparser.extract_macros(): self.log("info", "Stream Details") self.log("item", "OLE Stream: {0}".format(string_clean(stream_path))) self.log( "item", "VBA Filename: {0}".format(string_clean(vba_filename))) # Analyse the VBA Code vba_scanner = VBA_Scanner(vba_code) analysis = vba_scanner.scan(include_decoded_strings=True) for kw_type, keyword, description in analysis: an_results[kw_type].append( [string_clean_hex(keyword), description]) # Save the code to external File if save_path: try: with open(save_path, "a") as out: out.write(vba_code) save = True except Exception as e: self.log( "error", "Unable to write to {0}: {1}".format(save_path, e)) return # Print all tables together if an_results["AutoExec"]: self.log("info", "Autorun macros found") self.log( "table", dict(header=["Method", "Description"], rows=an_results["AutoExec"])) if an_results["Suspicious"]: self.log("info", "Suspicious keywords found") self.log( "table", dict(header=["Keyword", "Description"], rows=an_results["Suspicious"])) if an_results["IOC"]: self.log("info", "Possible IOCs") self.log("table", dict(header=["IOC", "Type"], rows=an_results["IOC"])) if an_results["Hex String"]: self.log("info", "Hex strings") self.log( "table", dict(header=["Decoded", "Raw"], rows=an_results["Hex String"])) if an_results["Base64 String"]: self.log("info", "Base64 strings") self.log( "table", dict(header=["Decoded", "Raw"], rows=an_results["Base64 String"])) if an_results["Dridex string"]: self.log("info", "Dridex strings") self.log( "table", dict(header=["Decoded", "Raw"], rows=an_results["Dridex string"])) if an_results["VBA string"]: self.log("info", "VBA strings") self.log( "table", dict(header=["Decoded", "Raw"], rows=an_results["VBA string"])) if save: self.log("success", "Writing VBA Code to {0}".format(save_path)) # Close the file vbaparser.close()