General

  • Target

    desktop.ini

  • Size

    282B

  • Sample

    240531-ml2j5aeg7v

  • MD5

    3a37312509712d4e12d27240137ff377

  • SHA1

    30ced927e23b584725cf16351394175a6d2a9577

  • SHA256

    b029393ea7b7cf644fb1c9f984f57c1980077562ee2e15d0ffd049c4c48098d3

  • SHA512

    dbb9abe70f8a781d141a71651a62a3a743c71a75a8305e9d23af92f7307fb639dc4a85499115885e2a781b040cbb7613f582544c2d6de521e588531e9c294b05

Malware Config

Targets

    • Target

      desktop.ini

    • Size

      282B

    • MD5

      3a37312509712d4e12d27240137ff377

    • SHA1

      30ced927e23b584725cf16351394175a6d2a9577

    • SHA256

      b029393ea7b7cf644fb1c9f984f57c1980077562ee2e15d0ffd049c4c48098d3

    • SHA512

      dbb9abe70f8a781d141a71651a62a3a743c71a75a8305e9d23af92f7307fb639dc4a85499115885e2a781b040cbb7613f582544c2d6de521e588531e9c294b05

    • Adds autorun key to be loaded by Explorer.exe on startup

    • Modifies firewall policy service

    • Modifies security service

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Modifies Installed Components in the registry

    • Registers new Print Monitor

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks