General

  • Target
    https://yabs.yandex.ru/count/WeOejI_zOoVX2Ldj0SKJ09CbaL1dz4uXXTeeLAJeWQBeWMuG00b71dIi1Cm9LF662UXDm2Q5JWXuFG9w2I2qqETpkRDd-vqxt_Mry_KxNc-umrMo5esm4b5bN8kk8ug4Q1GjNMkb6JA4YkeRrAeGqjM07J1bSmCORK-K651w4oISqS9i67GSxtWy31NGX2uW_06I0hXNA2C5QAzGTmLehLV82j1QhumLeBLU4LA0rdf5h02jzKfO0Lhh5R02j5OeJGLehL2O2j1QeUW5QAs2vmAqC5sef7A-9i8NtZ3a362OqrtQCllbFaD9LnpK815u8B1MPt2mGrk9NbNqjDfklDaT271mqpYVRvXil1biTky4S0CummRkyueJiCCfIC2uGAs6lGcuasarR9jD0d1ffvgo9vFIbrKZzlgkr-WSobyz9MTS8MqqN4-pRSDX-41Q3Ga1V5cXC0MmxS5gjKLWpjGGpI0lc27GGeU7PEikhC_2rWIS3bYNZIqQ5dRGLnNADrV05CnD7c4AMqz1XvbGjl0MPXL3Ze7IiM0c7Ql7Y7sCxc7CAXmWV7IXPO84cAwEMnUBvEfoKoz3avkXkVlVw0k5_72JCUo3h-F_3U9-Rn3tSs_u-Flowl5hbr1-Fxk4ycEQA-nrCSiLzhgOO-RIw-i0gSeuYtbYz8wpc0T6Rvc1lkpjgWI-UR8NN-4IwCUq1oCmP5BEqNy38DLL9T9lQLtN9wMwgaHwhK-oXNXkuhFUwxvA8TTNHv37Gy8ZUe4hn5ofL2f3y67aPDDNbBzcXAqnr1aD1W8E_1yShwlN-W9rqmw3RSzWfIixxLq24ia0qW1bSpF0oA8pc65puDMDqgB8tgkiCXKo~2?etext=&from=&q=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%84%D0%BD%D0%B0%D1%84+10+%D0%BD%D0%B0+%D0%BF%D0%BA
  • Sample260831-pc8yystxcx

Malware Config

Targets

    • Target
      https://yabs.yandex.ru/count/WeOejI_zOoVX2Ldj0SKJ09CbaL1dz4uXXTeeLAJeWQBeWMuG00b71dIi1Cm9LF662UXDm2Q5JWXuFG9w2I2qqETpkRDd-vqxt_Mry_KxNc-umrMo5esm4b5bN8kk8ug4Q1GjNMkb6JA4YkeRrAeGqjM07J1bSmCORK-K651w4oISqS9i67GSxtWy31NGX2uW_06I0hXNA2C5QAzGTmLehLV82j1QhumLeBLU4LA0rdf5h02jzKfO0Lhh5R02j5OeJGLehL2O2j1QeUW5QAs2vmAqC5sef7A-9i8NtZ3a362OqrtQCllbFaD9LnpK815u8B1MPt2mGrk9NbNqjDfklDaT271mqpYVRvXil1biTky4S0CummRkyueJiCCfIC2uGAs6lGcuasarR9jD0d1ffvgo9vFIbrKZzlgkr-WSobyz9MTS8MqqN4-pRSDX-41Q3Ga1V5cXC0MmxS5gjKLWpjGGpI0lc27GGeU7PEikhC_2rWIS3bYNZIqQ5dRGLnNADrV05CnD7c4AMqz1XvbGjl0MPXL3Ze7IiM0c7Ql7Y7sCxc7CAXmWV7IXPO84cAwEMnUBvEfoKoz3avkXkVlVw0k5_72JCUo3h-F_3U9-Rn3tSs_u-Flowl5hbr1-Fxk4ycEQA-nrCSiLzhgOO-RIw-i0gSeuYtbYz8wpc0T6Rvc1lkpjgWI-UR8NN-4IwCUq1oCmP5BEqNy38DLL9T9lQLtN9wMwgaHwhK-oXNXkuhFUwxvA8TTNHv37Gy8ZUe4hn5ofL2f3y67aPDDNbBzcXAqnr1aD1W8E_1yShwlN-W9rqmw3RSzWfIixxLq24ia0qW1bSpF0oA8pc65puDMDqgB8tgkiCXKo~2?etext=&from=&q=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%84%D0%BD%D0%B0%D1%84+10+%D0%BD%D0%B0+%D0%BF%D0%BA
    • Modifies boot configuration data using bcdedit

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • 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 v16

Tasks