General

  • Target

    solara-downlaoad-main.zip

  • Size

    277KB

  • Sample

    250130-kxxdfawqcv

  • MD5

    ccfb075aa025aeabcd500292749bacba

  • SHA1

    69dcff871b35af4498d7921bd31a24fa96e926df

  • SHA256

    cab02d962c80ea70bac0b066661e0c5fda18875e76aae3e1a3924d3eee6bd2a1

  • SHA512

    c64439dae9570f64e779bdefb01ade33cee418fbecd60197ada43f1063ef1c429305cc80c6580c26fcc96e8e45cefdabebafbff12b58c91a792fab646dae4a9d

  • SSDEEP

    6144:yydMgcCFqLEPsuF7WpJxPPH4YLPmaMVVV/1EIQXm6QLc8hOVqXO:yaMgC/rJdxLDMVVV/1EIEm6l6O6O

Malware Config

Targets

    • Target

      solara-downlaoad-main/BootstrapperV1.23.exe

    • Size

      800KB

    • MD5

      02c70d9d6696950c198db93b7f6a835e

    • SHA1

      30231a467a49cc37768eea0f55f4bea1cbfb48e2

    • SHA256

      8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3

    • SHA512

      431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb

    • SSDEEP

      12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks BIOS information in registry

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

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks