General

  • Target

    367551fbbd5fa62e6ba97d1df35c1563d4dc17abd0a9fe55bd4fe412e8f57b81

  • Size

    298KB

  • Sample

    221227-l8b3baef93

  • MD5

    fdae63dc5ac405d89889ae7b2028554d

  • SHA1

    135e81127093c3dbc5a11d87553ac67477838b2f

  • SHA256

    367551fbbd5fa62e6ba97d1df35c1563d4dc17abd0a9fe55bd4fe412e8f57b81

  • SHA512

    99f530224cd0d8d18dfdd5c7e2d641946ea4eab00927b71013a6ca35c1c4c788396c74ba2c98102a26c7bddc2800a6b6d3a42ae74ca4dbcd757f1db728d53eff

  • SSDEEP

    6144:nLlHR+XOb0NKSIS6vv4L58xQ3xDPkMo5zXbAc:nhx+zNoSh58xaxDPyrbA

Malware Config

Targets

    • Target

      367551fbbd5fa62e6ba97d1df35c1563d4dc17abd0a9fe55bd4fe412e8f57b81

    • Size

      298KB

    • MD5

      fdae63dc5ac405d89889ae7b2028554d

    • SHA1

      135e81127093c3dbc5a11d87553ac67477838b2f

    • SHA256

      367551fbbd5fa62e6ba97d1df35c1563d4dc17abd0a9fe55bd4fe412e8f57b81

    • SHA512

      99f530224cd0d8d18dfdd5c7e2d641946ea4eab00927b71013a6ca35c1c4c788396c74ba2c98102a26c7bddc2800a6b6d3a42ae74ca4dbcd757f1db728d53eff

    • SSDEEP

      6144:nLlHR+XOb0NKSIS6vv4L58xQ3xDPkMo5zXbAc:nhx+zNoSh58xaxDPyrbA

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks