General

  • Target

    c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1

  • Size

    260KB

  • Sample

    221204-kr3chadd87

  • MD5

    1557e68b525d56d1b3de05ff6c28b6a0

  • SHA1

    aab6ecceca716318881522bb9bbcc3a801fbdd45

  • SHA256

    c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1

  • SHA512

    93b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99

  • SSDEEP

    3072:P33RyyebmUnstmppoJ5ISUzhRLUwh8464U/jTEmoutVe9WZl:v3RtebmUnstmppoJvoSMAz

Malware Config

Targets

    • Target

      c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1

    • Size

      260KB

    • MD5

      1557e68b525d56d1b3de05ff6c28b6a0

    • SHA1

      aab6ecceca716318881522bb9bbcc3a801fbdd45

    • SHA256

      c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1

    • SHA512

      93b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99

    • SSDEEP

      3072:P33RyyebmUnstmppoJ5ISUzhRLUwh8464U/jTEmoutVe9WZl:v3RtebmUnstmppoJvoSMAz

    • Modifies firewall policy service

    • Modifies security service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets file execution options in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks