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General

  • Target

    e39cf4632e6d780147c9a53fe8b8ae4e_JaffaCakes118

  • Size

    2.6MB

  • Sample

    240407-ae2v4afa2x

  • MD5

    e39cf4632e6d780147c9a53fe8b8ae4e

  • SHA1

    d0e23b507f0f22ebe0b028eb31203160f00796c5

  • SHA256

    1f601594dddb1982176d7a2eeebdbfe4ec01c4d3a2a741e416a53f59b7f55174

  • SHA512

    ad55ca5ca0b43441f3cb91cf603c559df3b7d49465f034cf2e436447c65205b0b89e38391c37f5f1205d7e5739213ed7fc81f6cb509b3a0b927d037fb6726557

  • SSDEEP

    49152:tU/5M1X4Wl/YvzYCQR9RQs+C40yZpJaD99GD:tKq4oEa9RQs+Cn4/UKD

Malware Config

Targets

    • Target

      e39cf4632e6d780147c9a53fe8b8ae4e_JaffaCakes118

    • Size

      2.6MB

    • MD5

      e39cf4632e6d780147c9a53fe8b8ae4e

    • SHA1

      d0e23b507f0f22ebe0b028eb31203160f00796c5

    • SHA256

      1f601594dddb1982176d7a2eeebdbfe4ec01c4d3a2a741e416a53f59b7f55174

    • SHA512

      ad55ca5ca0b43441f3cb91cf603c559df3b7d49465f034cf2e436447c65205b0b89e38391c37f5f1205d7e5739213ed7fc81f6cb509b3a0b927d037fb6726557

    • SSDEEP

      49152:tU/5M1X4Wl/YvzYCQR9RQs+C40yZpJaD99GD:tKq4oEa9RQs+Cn4/UKD

    • Modifies visiblity of hidden/system files in Explorer

    • 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