var CAPICOM_CERTIFICATE_FIND_SUBJECT_NAME = 1;
var CADESCOM_HASH_ALGORITHM_CP_GOST_3411 = 100;
var CADESCOM_CADES_BES = 1;

function signFileHash (thumbprint, hashFile) {
  //search cert
  var oCert;
  var oStore = createObj('CAPICOM.store');
  oStore.Open();
  var oCerts = oStore.Certificates.Find(CAPICOM_CERTIFICATE_FIND_SUBJECT_NAME, thumbprint);
  if (oCerts.Count > 0) {
    oCert = oCerts.Item(1);
  }
  oStore.Close();

  //sign
  var signedMessage;
  if (oCert) {
    var oSigner = createObj('CAdESCOM.CPSigner');
    oSigner.Certificate = oCert;

    var oHashedData = createObj('CAdESCOM.HashedData');
    oHashedData.Algorithm = CADESCOM_HASH_ALGORITHM_CP_GOST_3411;
    oHashedData.SetHashValue(hashFile);
    
    var oSignedData = createObj('CAdESCOM.CadesSignedData');
    signedMessage = oSignedData.SignHash(oHashedData, oSigner, CADESCOM_CADES_BES);
  }
  return signedMessage;
}

var signedData = signFileHash('1B7CCAC3EFF6E891715EA6698C42D713790F8ECF', '467EC504F168C4A5406211386A4B0A679C76D7D4F2604809EC57B52C84D53317');

signedMessage = oSignedData.SignHash(oHashedData, oSigner, CADESCOM_CADES_BES);

Error: Error calling method on NPObject!
signedMessage = oSignedData.SignHash(oHashedData, oSigner, CADESCOM_CADES_BES);