diff --git a/pkg/services/object/common/writer/ec.go b/pkg/services/object/common/writer/ec.go
index dffe52a6d..98b62d03b 100644
--- a/pkg/services/object/common/writer/ec.go
+++ b/pkg/services/object/common/writer/ec.go
@@ -37,10 +37,12 @@ type ECWriter struct {
 
 	ObjectMeta      object.ContentMeta
 	ObjectMetaValid bool
+
+	remoteRequestSignKey *ecdsa.PrivateKey
 }
 
 func (e *ECWriter) WriteObject(ctx context.Context, obj *objectSDK.Object) error {
-	relayed, err := e.relayIfNotContainerNode(ctx, obj)
+	relayed, isContainerNode, err := e.relayIfNotContainerNode(ctx, obj)
 	if err != nil {
 		return err
 	}
@@ -60,23 +62,35 @@ func (e *ECWriter) WriteObject(ctx context.Context, obj *objectSDK.Object) error
 		e.ObjectMetaValid = true
 	}
 
+	if isContainerNode {
+		restoreTokens := e.CommonPrm.ForgetTokens()
+		defer restoreTokens()
+		// As request executed on container node, so sign request with container key.
+		e.remoteRequestSignKey, err = e.Config.KeyStorage.GetKey(nil)
+		if err != nil {
+			return err
+		}
+	} else {
+		e.remoteRequestSignKey = e.Key
+	}
+
 	if obj.ECHeader() != nil {
 		return e.writeECPart(ctx, obj)
 	}
 	return e.writeRawObject(ctx, obj)
 }
 
-func (e *ECWriter) relayIfNotContainerNode(ctx context.Context, obj *objectSDK.Object) (bool, error) {
-	if e.Relay == nil {
-		return false, nil
-	}
+func (e *ECWriter) relayIfNotContainerNode(ctx context.Context, obj *objectSDK.Object) (bool, bool, error) {
 	currentNodeIsContainerNode, err := e.currentNodeIsContainerNode()
 	if err != nil {
-		return false, err
+		return false, false, err
 	}
 	if currentNodeIsContainerNode {
 		// object can be splitted or saved local
-		return false, nil
+		return false, true, nil
+	}
+	if e.Relay == nil {
+		return false, currentNodeIsContainerNode, nil
 	}
 	objID := object.AddressOf(obj).Object()
 	var index uint32
@@ -85,9 +99,9 @@ func (e *ECWriter) relayIfNotContainerNode(ctx context.Context, obj *objectSDK.O
 		index = obj.ECHeader().Index()
 	}
 	if err := e.relayToContainerNode(ctx, objID, index); err != nil {
-		return false, err
+		return false, false, err
 	}
-	return true, nil
+	return true, currentNodeIsContainerNode, nil
 }
 
 func (e *ECWriter) currentNodeIsContainerNode() (bool, error) {
@@ -338,7 +352,7 @@ func (e *ECWriter) writePartRemote(ctx context.Context, obj *objectSDK.Object, n
 	client.NodeInfoFromNetmapElement(&clientNodeInfo, node)
 
 	remoteTaget := remoteWriter{
-		privateKey:        e.Key,
+		privateKey:        e.remoteRequestSignKey,
 		clientConstructor: e.Config.ClientConstructor,
 		commonPrm:         e.CommonPrm,
 		nodeInfo:          clientNodeInfo,
diff --git a/pkg/services/object/common/writer/ec_test.go b/pkg/services/object/common/writer/ec_test.go
index 32863d678..c828c79ba 100644
--- a/pkg/services/object/common/writer/ec_test.go
+++ b/pkg/services/object/common/writer/ec_test.go
@@ -14,6 +14,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
 	netmapcore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/netmap"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/network"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/util"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object_manager/placement"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/checksum"
@@ -127,6 +128,8 @@ func TestECWriter(t *testing.T) {
 
 	ownerKey, err := keys.NewPrivateKey()
 	require.NoError(t, err)
+	nodeKey, err := keys.NewPrivateKey()
+	require.NoError(t, err)
 
 	pool, err := ants.NewPool(4, ants.WithNonblocking(true))
 	require.NoError(t, err)
@@ -141,6 +144,7 @@ func TestECWriter(t *testing.T) {
 			RemotePool:        pool,
 			Logger:            log,
 			ClientConstructor: clientConstructor{vectors: ns},
+			KeyStorage:        util.NewKeyStorage(&nodeKey.PrivateKey, nil, nil),
 		},
 		PlacementOpts: append(
 			[]placement.Option{placement.UseBuilder(builder), placement.ForContainer(cnr)},
diff --git a/pkg/services/object/util/prm.go b/pkg/services/object/util/prm.go
index 022b9fe5b..80c0db39e 100644
--- a/pkg/services/object/util/prm.go
+++ b/pkg/services/object/util/prm.go
@@ -100,11 +100,18 @@ func (p *CommonPrm) SetNetmapLookupDepth(v uint64) {
 
 // ForgetTokens forgets all the tokens read from the request's
 // meta information before.
-func (p *CommonPrm) ForgetTokens() {
+func (p *CommonPrm) ForgetTokens() func() {
 	if p != nil {
+		tk := p.token
+		br := p.bearer
 		p.token = nil
 		p.bearer = nil
+		return func() {
+			p.token = tk
+			p.bearer = br
+		}
 	}
+	return func() {}
 }
 
 func CommonPrmFromV2(req interface {