General

  • Target

    solara-bootstrapper

  • Size

    4KB

  • Sample

    241111-dt5gbavncp

  • MD5

    d33475467b0b45b40c1342d33a664999

  • SHA1

    46cba652d2024a49758f41bbd1f418e74ff10757

  • SHA256

    b51bd613e9f17bcad599f934fb1bc553b306a090b12079bd9412b53409d78b43

  • SHA512

    f5e6e80b42445ff215ea445ca09d187a6b8248226719e89d1679a8fc7164df1740ec1281dcb442c6e7a003b00f8d4bd0443caa941bf13ef750ae0e5480fba88d

  • SSDEEP

    96:1j9jwIjYj5jDK/D5DMF+C8/ZqXKHvpIkdNarRU9PaQxJbGD:1j9jhjYj9K/Vo+n8aHvFdNary9ieJGD

Malware Config

Targets

    • Target

      solara-bootstrapper

    • Size

      4KB

    • MD5

      d33475467b0b45b40c1342d33a664999

    • SHA1

      46cba652d2024a49758f41bbd1f418e74ff10757

    • SHA256

      b51bd613e9f17bcad599f934fb1bc553b306a090b12079bd9412b53409d78b43

    • SHA512

      f5e6e80b42445ff215ea445ca09d187a6b8248226719e89d1679a8fc7164df1740ec1281dcb442c6e7a003b00f8d4bd0443caa941bf13ef750ae0e5480fba88d

    • SSDEEP

      96:1j9jwIjYj5jDK/D5DMF+C8/ZqXKHvpIkdNarRU9PaQxJbGD:1j9jhjYj9K/Vo+n8aHvFdNary9ieJGD

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • 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

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks BIOS information in registry

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

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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

    • Blocklisted process makes network request

    • 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.

    • Installs/modifies Browser Helper Object

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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