General

  • Target

    OperaGXSetup.exe

  • Size

    6.3MB

  • Sample

    240722-w151ja1emm

  • MD5

    31de348d7c53bd31503b52ff02a91275

  • SHA1

    ef423540e6d7d6bce77b035e179086afb85bd28d

  • SHA256

    126e6e665261c5cba9c187d74e9bd7c3fe4eec7c4446c55ee83fb6cc2e300513

  • SHA512

    c15b6eb22c6d00c8e2a940c1258441b66ad83cf88286a46fc5c6581b319fb12bef13e6340629c5fa6bd4632e7c833aebf3429f1e0dbbc08a2ce3abef78e09e56

  • SSDEEP

    196608:VkDKFfRYtPz8Z3x0GHBOik8DXVnO38fXS65VkmSsLAZNAdIhqx89/DRt5/pnp2zC:SDKFfRYtPz8Z3xNHBOik8DXVnO38fXS5

Malware Config

Targets

    • Target

      OperaGXSetup.exe

    • Size

      6.3MB

    • MD5

      31de348d7c53bd31503b52ff02a91275

    • SHA1

      ef423540e6d7d6bce77b035e179086afb85bd28d

    • SHA256

      126e6e665261c5cba9c187d74e9bd7c3fe4eec7c4446c55ee83fb6cc2e300513

    • SHA512

      c15b6eb22c6d00c8e2a940c1258441b66ad83cf88286a46fc5c6581b319fb12bef13e6340629c5fa6bd4632e7c833aebf3429f1e0dbbc08a2ce3abef78e09e56

    • SSDEEP

      196608:VkDKFfRYtPz8Z3x0GHBOik8DXVnO38fXS65VkmSsLAZNAdIhqx89/DRt5/pnp2zC:SDKFfRYtPz8Z3xNHBOik8DXVnO38fXS5

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • 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

    • Reads user/profile data of web browsers

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

    • 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.

    • 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