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General

  • Target

    fc322da0809f155a0472e3be945fb5031211ea614b839349bece998ebf5d3823

  • Size

    300KB

  • Sample

    230106-yd61esfa81

  • MD5

    d390c02bab20349c4d948e105df03aec

  • SHA1

    d1904de1e6b76f101f62471efc0d8e7602f0c163

  • SHA256

    fc322da0809f155a0472e3be945fb5031211ea614b839349bece998ebf5d3823

  • SHA512

    40f559a031e6d3cb5757fafb48072a473110a44181468df470fcbe830f4bb91998b6f3ddd40273f7ccee8bade301992ef3d025f9c1ad15bc98be1679d60107be

  • SSDEEP

    6144:0MxmLCbVylBzAUL+TUTBAeif+uLc+y0B:pxmubVyXz9+wTB7if+uc+yS

Malware Config

Targets

    • Target

      fc322da0809f155a0472e3be945fb5031211ea614b839349bece998ebf5d3823

    • Size

      300KB

    • MD5

      d390c02bab20349c4d948e105df03aec

    • SHA1

      d1904de1e6b76f101f62471efc0d8e7602f0c163

    • SHA256

      fc322da0809f155a0472e3be945fb5031211ea614b839349bece998ebf5d3823

    • SHA512

      40f559a031e6d3cb5757fafb48072a473110a44181468df470fcbe830f4bb91998b6f3ddd40273f7ccee8bade301992ef3d025f9c1ad15bc98be1679d60107be

    • SSDEEP

      6144:0MxmLCbVylBzAUL+TUTBAeif+uLc+y0B:pxmubVyXz9+wTB7if+uc+yS

    • 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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • 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