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General

  • Target

    71fa869efa924ab2112f97f4eeaee7062bddd34811ea29a8bb406047f08f9fc0

  • Size

    227KB

  • Sample

    221221-pnh7nscc46

  • MD5

    a9f127a12daffee261db244461d88d4d

  • SHA1

    87c3daaeb52d3752cfe2490f2bd50fa4aa662c18

  • SHA256

    71fa869efa924ab2112f97f4eeaee7062bddd34811ea29a8bb406047f08f9fc0

  • SHA512

    d841a8164fed58f455ee035ff88bd42414af7ca1865b9e72ab79601b91d9f9752786020eeaea543dce9048431dd0270dc6ec146121a28f66f163a08b5e7ee522

  • SSDEEP

    6144:5GtLRU8PORjhRzo53oTqW85sbqkfeRu4:ItKKgjno53cb68

Malware Config

Targets

    • Target

      71fa869efa924ab2112f97f4eeaee7062bddd34811ea29a8bb406047f08f9fc0

    • Size

      227KB

    • MD5

      a9f127a12daffee261db244461d88d4d

    • SHA1

      87c3daaeb52d3752cfe2490f2bd50fa4aa662c18

    • SHA256

      71fa869efa924ab2112f97f4eeaee7062bddd34811ea29a8bb406047f08f9fc0

    • SHA512

      d841a8164fed58f455ee035ff88bd42414af7ca1865b9e72ab79601b91d9f9752786020eeaea543dce9048431dd0270dc6ec146121a28f66f163a08b5e7ee522

    • SSDEEP

      6144:5GtLRU8PORjhRzo53oTqW85sbqkfeRu4:ItKKgjno53cb68

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks