General

  • Target

    1b61c7ce5315331ef8bd2a5f97933d0e788e58b4e821e9a1bfaad7e6814a6269

  • Size

    2.6MB

  • Sample

    240412-xywjradc58

  • MD5

    a3a86f071afb46bb604e97a22b08fb45

  • SHA1

    805474a36eb331a18233f2b96049a457f5de8675

  • SHA256

    1b61c7ce5315331ef8bd2a5f97933d0e788e58b4e821e9a1bfaad7e6814a6269

  • SHA512

    723384af295df5cf1617a4e488dbfa93db05a50958260393e4b76332884ec34d9356467259a676a023086790db0c93bb0675d43358558ec033418d22f59a508c

  • SSDEEP

    49152:lS5IvAG44oOCdcSzNIJG70V6Do4yV/5mc5aNZJ350zg5bEJ60IZGnpw/YK:lS5G4DOT5JGIVzh/5aZX0zgd0IZGpwP

Malware Config

Targets

    • Target

      1b61c7ce5315331ef8bd2a5f97933d0e788e58b4e821e9a1bfaad7e6814a6269

    • Size

      2.6MB

    • MD5

      a3a86f071afb46bb604e97a22b08fb45

    • SHA1

      805474a36eb331a18233f2b96049a457f5de8675

    • SHA256

      1b61c7ce5315331ef8bd2a5f97933d0e788e58b4e821e9a1bfaad7e6814a6269

    • SHA512

      723384af295df5cf1617a4e488dbfa93db05a50958260393e4b76332884ec34d9356467259a676a023086790db0c93bb0675d43358558ec033418d22f59a508c

    • SSDEEP

      49152:lS5IvAG44oOCdcSzNIJG70V6Do4yV/5mc5aNZJ350zg5bEJ60IZGnpw/YK:lS5G4DOT5JGIVzh/5aZX0zgd0IZGpwP

    • Modifies visiblity of hidden/system files in Explorer

    • Detects executables packed with Themida

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

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks