General

  • Target

    WaveInstaller.exe

  • Size

    2.3MB

  • Sample

    240809-wn1v2sxdnc

  • MD5

    8ad8b6593c91d7960dad476d6d4af34f

  • SHA1

    0a95f110c8264cde7768a3fd76db5687fda830ea

  • SHA256

    43e6ae7e38488e95741b1cad60843e7ce49419889285433eb4e697c175a153ab

  • SHA512

    09b522da0958f8b173e97b31b6c7141cb67de5d30db9ff71bc6e61ca9a97c09bff6b17d6eaa03c840500996aad25b3419391af64de1c59e98ff6a8eac636b686

  • SSDEEP

    49152:6inbT3qpTDQSmanAmwJAaDMg33U2pLYiniT:6inKpTJmWAmmAMPWin

Malware Config

Targets

    • Target

      WaveInstaller.exe

    • Size

      2.3MB

    • MD5

      8ad8b6593c91d7960dad476d6d4af34f

    • SHA1

      0a95f110c8264cde7768a3fd76db5687fda830ea

    • SHA256

      43e6ae7e38488e95741b1cad60843e7ce49419889285433eb4e697c175a153ab

    • SHA512

      09b522da0958f8b173e97b31b6c7141cb67de5d30db9ff71bc6e61ca9a97c09bff6b17d6eaa03c840500996aad25b3419391af64de1c59e98ff6a8eac636b686

    • SSDEEP

      49152:6inbT3qpTDQSmanAmwJAaDMg33U2pLYiniT:6inKpTJmWAmmAMPWin

    • 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

    • Event Triggered Execution: Image File Execution Options Injection

    • 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

    • 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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

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

    • Legitimate hosting services abused for malware hosting/C2

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks