diff --git a/test/e2e/tests/account-details.spec.js b/test/e2e/tests/account-details.spec.js
index 9e70e6ee5aaa..72827136509c 100644
--- a/test/e2e/tests/account-details.spec.js
+++ b/test/e2e/tests/account-details.spec.js
@@ -12,6 +12,34 @@ describe('Show account details', function () {
       },
     ],
   };
+
+  const PASSWORD = 'correct horse battery staple';
+
+  async function revealPrivateKey(driver, useAccountMenu = true) {
+    if (useAccountMenu) {
+      await driver.clickElement('[data-testid="account-menu-icon"]');
+      await driver.clickElement(
+        '[data-testid="account-list-item-menu-button"]',
+      );
+      await driver.clickElement('[data-testid="account-list-menu-details"]');
+    } else {
+      // Global Menu
+      await driver.clickElement('[data-testid="account-options-menu-button"]');
+      await driver.clickElement('[data-testid="account-list-menu-details"]');
+    }
+
+    await driver.clickElement({ css: 'button', text: 'Show private key' });
+
+    await driver.fill('#account-details-authenticate', PASSWORD);
+    await driver.press('#account-details-authenticate', driver.Key.ENTER);
+
+    const keyContainer = await driver.findElement(
+      '[data-testid="account-details-key"]',
+    );
+    const key = await keyContainer.getText();
+    return key;
+  }
+
   it('should show the QR code for the account', async function () {
     await withFixtures(
       {
@@ -21,7 +49,7 @@ describe('Show account details', function () {
       },
       async ({ driver }) => {
         await driver.navigate();
-        await driver.fill('#password', 'correct horse battery staple');
+        await driver.fill('#password', PASSWORD);
         await driver.press('#password', driver.Key.ENTER);
 
         await driver.clickElement('[data-testid="account-menu-icon"]');
@@ -35,4 +63,104 @@ describe('Show account details', function () {
       },
     );
   });
+
+  it('should show the correct private key from account menu', async function () {
+    await withFixtures(
+      {
+        fixtures: new FixtureBuilder().build(),
+        ganacheOptions,
+        title: this.test.title,
+      },
+      async ({ driver }) => {
+        await driver.navigate();
+        await driver.fill('#password', PASSWORD);
+        await driver.press('#password', driver.Key.ENTER);
+
+        const key = await revealPrivateKey(driver);
+        assert.equal(
+          key,
+          '7c9529a67102755b7e6102d6d950ac5d5863c98713805cec576b945b15b71eac',
+        );
+      },
+    );
+  });
+
+  it('should show the correct private key for an unselected account from account menu', async function () {
+    await withFixtures(
+      {
+        fixtures: new FixtureBuilder().build(),
+        ganacheOptions,
+        title: this.test.title,
+      },
+      async ({ driver }) => {
+        await driver.navigate();
+        await driver.fill('#password', PASSWORD);
+        await driver.press('#password', driver.Key.ENTER);
+
+        // Create and focus on different account
+        await driver.clickElement('[data-testid="account-menu-icon"]');
+        await driver.clickElement(
+          '[data-testid="multichain-account-menu-popover-add-account"]',
+        );
+        await driver.fill('[placeholder="Account 2"]', '2nd account');
+        await driver.clickElement({ text: 'Create', tag: 'button' });
+
+        const key = await revealPrivateKey(driver);
+        assert.equal(
+          key,
+          '7c9529a67102755b7e6102d6d950ac5d5863c98713805cec576b945b15b71eac',
+        );
+      },
+    );
+  });
+
+  it('should show the correct private key from global menu', async function () {
+    await withFixtures(
+      {
+        fixtures: new FixtureBuilder().build(),
+        ganacheOptions,
+        title: this.test.title,
+      },
+      async ({ driver }) => {
+        await driver.navigate();
+        await driver.fill('#password', PASSWORD);
+        await driver.press('#password', driver.Key.ENTER);
+
+        const key = await revealPrivateKey(driver, false);
+        assert.equal(
+          key,
+          '7c9529a67102755b7e6102d6d950ac5d5863c98713805cec576b945b15b71eac',
+        );
+      },
+    );
+  });
+
+  it('should show the correct private key for a second account from global menu', async function () {
+    await withFixtures(
+      {
+        fixtures: new FixtureBuilder().build(),
+        ganacheOptions,
+        title: this.test.title,
+      },
+      async ({ driver }) => {
+        await driver.navigate();
+        await driver.fill('#password', PASSWORD);
+        await driver.press('#password', driver.Key.ENTER);
+
+        // Create and focus on different account
+        await driver.clickElement('[data-testid="account-menu-icon"]');
+        await driver.clickElement(
+          '[data-testid="multichain-account-menu-popover-add-account"]',
+        );
+        await driver.fill('[placeholder="Account 2"]', '2nd account');
+        await driver.clickElement({ text: 'Create', tag: 'button' });
+
+        const key = await revealPrivateKey(driver, false);
+        assert.equal(
+          key,
+          'f444f52ea41e3a39586d7069cb8e8233e9f6b9dea9cbb700cce69ae860661cc8',
+        );
+      },
+    );
+  });
 });
diff --git a/ui/components/multichain/account-details/account-details-key.js b/ui/components/multichain/account-details/account-details-key.js
index 8726b8aca23e..59ce4632bae6 100644
--- a/ui/components/multichain/account-details/account-details-key.js
+++ b/ui/components/multichain/account-details/account-details-key.js
@@ -45,7 +45,11 @@ export const AccountDetailsKey = ({ accountName, onClose, privateKey }) => {
         padding={4}
         gap={4}
       >
-        <Text variant={TextVariant.bodySm} style={{ wordBreak: 'break-word' }}>
+        <Text
+          data-testid="account-details-key"
+          variant={TextVariant.bodySm}
+          style={{ wordBreak: 'break-word' }}
+        >
           {privateKey}
         </Text>
         <ButtonIcon