General

  • Target

    https://www.googleadservices.com/pagead/aclk?sa=L&ai=DChcSEwi-0sL564b-AhXlAKIDHYZ5DKwYABAAGgJsZQ&ae=2&ohost=www.google.com&cid=CAESbeD28h5JLh8eqK9Tuzz0YnVSIhL93338FlevT1freXg8wuSvmV4sjCrVWm7bylVYTPsalNUYPZBDmrkwY7Z-I_yCsigH1TeQisZS8gGf8pQf4SqMafIt_UNsjyGBPw8KFb9CRUqULvrIusjedd0&sig=AOD64_3ga6IoatGPv7CXlVNP4BpWOlP7Jg&q&adurl&ved=2ahUKEwj4jb3564b-AhVOrosKHdLhDfQQ0Qx6BAgJEAE

  • Sample

    230331-xkwycscf22

Malware Config

Targets

    • Target

      https://www.googleadservices.com/pagead/aclk?sa=L&ai=DChcSEwi-0sL564b-AhXlAKIDHYZ5DKwYABAAGgJsZQ&ae=2&ohost=www.google.com&cid=CAESbeD28h5JLh8eqK9Tuzz0YnVSIhL93338FlevT1freXg8wuSvmV4sjCrVWm7bylVYTPsalNUYPZBDmrkwY7Z-I_yCsigH1TeQisZS8gGf8pQf4SqMafIt_UNsjyGBPw8KFb9CRUqULvrIusjedd0&sig=AOD64_3ga6IoatGPv7CXlVNP4BpWOlP7Jg&q&adurl&ved=2ahUKEwj4jb3564b-AhVOrosKHdLhDfQQ0Qx6BAgJEAE

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Tasks