General

  • Target

    4bf98a0866632253ac02c2f1cf8458a67da8f675bdb6895e104a723e9f8f496a

  • Size

    2.7MB

  • Sample

    240611-1j445asgkr

  • MD5

    3cfcc096019f8f22bb8bad4e33ae8515

  • SHA1

    a4b4fa1e01bc4fbd1cce5949e811c31fbb2955f7

  • SHA256

    4bf98a0866632253ac02c2f1cf8458a67da8f675bdb6895e104a723e9f8f496a

  • SHA512

    8f89f94b6e59104a4d38f06c04003c2ad4568134e6fa12b49c35e3b5e8c87b41dddecdec9abdf7f0f656eaf9fadc38e0d6421b942419605f50de0e136c8ece7a

  • SSDEEP

    49152:VtzBOauT0i7ZSQcCG1+bLthSo9/ktjPf4EXzwgb+LquT05G:VtzaT00zcC8ahhSo9sRf44z1/5G

Malware Config

Targets

    • Target

      4bf98a0866632253ac02c2f1cf8458a67da8f675bdb6895e104a723e9f8f496a

    • Size

      2.7MB

    • MD5

      3cfcc096019f8f22bb8bad4e33ae8515

    • SHA1

      a4b4fa1e01bc4fbd1cce5949e811c31fbb2955f7

    • SHA256

      4bf98a0866632253ac02c2f1cf8458a67da8f675bdb6895e104a723e9f8f496a

    • SHA512

      8f89f94b6e59104a4d38f06c04003c2ad4568134e6fa12b49c35e3b5e8c87b41dddecdec9abdf7f0f656eaf9fadc38e0d6421b942419605f50de0e136c8ece7a

    • SSDEEP

      49152:VtzBOauT0i7ZSQcCG1+bLthSo9/ktjPf4EXzwgb+LquT05G:VtzaT00zcC8ahhSo9sRf44z1/5G

    • 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