From 3fffd6a8f39357607daaa22da11390abcd698e57 Mon Sep 17 00:00:00 2001 From: Nasreddine Bencherchali <8741929+nasbench@users.noreply.github.com> Date: Fri, 12 Aug 2022 17:12:35 +0100 Subject: [PATCH] Create proc_creation_win_wab_execution_from_non_default_location.yml --- ...ab_execution_from_non_default_location.yml | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 rules/windows/process_creation/proc_creation_win_wab_execution_from_non_default_location.yml diff --git a/rules/windows/process_creation/proc_creation_win_wab_execution_from_non_default_location.yml b/rules/windows/process_creation/proc_creation_win_wab_execution_from_non_default_location.yml new file mode 100644 index 000000000..601a65f63 --- /dev/null +++ b/rules/windows/process_creation/proc_creation_win_wab_execution_from_non_default_location.yml @@ -0,0 +1,27 @@ +title: Wab Execution From Non Default Location +id: 395907ee-96e5-4666-af2e-2ca91688e151 +status: experimental +description: Detects execution of wab.exe (Windows Contacts) from non default locations as seen with bumblebee activity +references: + - https://thedfirreport.com/2022/08/08/bumblebee-roasts-its-way-to-domain-admin/ + - https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/bumblebee-loader-cybercrime +author: Nasreddine Bencherchali +date: 2022/08/12 +tags: + - attack.defense_evasion + - attack.execution +logsource: + category: process_creation + product: windows +detection: + selection: + Image|endswith: '\wab.exe' + filter: + Image|startswith: + - 'C:\Windows\WinSxS\' + - 'C:\Program Files\Windows Mail\' + - 'C:\Program Files (x86)\Windows Mail\' + condition: selection and not filter +falsepositives: + - Unlikely +level: high