General

  • Target

    file.txt

  • Size

    11B

  • Sample

    240501-xedjtsfh45

  • MD5

    5eb63bbbe01eeed093cb22bb8f5acdc3

  • SHA1

    2aae6c35c94fcfb415dbe95f408b9ce91ee846ed

  • SHA256

    b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9

  • SHA512

    309ecc489c12d6eb4cc40f50c902f2b4d0ed77ee511a7c7a9bcd3ca86d4cd86f989dd35bc5ff499670da34255b45b0cfd830e81f605dcf7dc5542e93ae9cd76f

Malware Config

Targets

    • Target

      file.txt

    • Size

      11B

    • MD5

      5eb63bbbe01eeed093cb22bb8f5acdc3

    • SHA1

      2aae6c35c94fcfb415dbe95f408b9ce91ee846ed

    • SHA256

      b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9

    • SHA512

      309ecc489c12d6eb4cc40f50c902f2b4d0ed77ee511a7c7a9bcd3ca86d4cd86f989dd35bc5ff499670da34255b45b0cfd830e81f605dcf7dc5542e93ae9cd76f

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Legitimate hosting services abused for malware hosting/C2

    • 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