General

  • Target

    3f7b8a4b3e8d14816fc181cd3753c6b040799ef0a79b8f29125cdf6013c5d926

  • Size

    224KB

  • Sample

    221224-v7t16sac89

  • MD5

    2d0cb45a5cae57497e231d8b81986797

  • SHA1

    c7fdede472d241307e1bf21d497ee78a96ba46fa

  • SHA256

    3f7b8a4b3e8d14816fc181cd3753c6b040799ef0a79b8f29125cdf6013c5d926

  • SHA512

    30d52aa31e9e0776a8a9eaf8ce3b209fc123ff25c7f0d02c7483b69130b604c0dfc533b9672ea4391e2f83d05264e39bf67f38c90e72122bfadfacb8d8145a42

  • SSDEEP

    3072:9DnRhLrRcy5eSxsVu2Jrjo4h78AThQiauDnc4B3ejiwf/ln:dLryHSCVlh78GqiaMFBuOK

Malware Config

Targets

    • Target

      3f7b8a4b3e8d14816fc181cd3753c6b040799ef0a79b8f29125cdf6013c5d926

    • Size

      224KB

    • MD5

      2d0cb45a5cae57497e231d8b81986797

    • SHA1

      c7fdede472d241307e1bf21d497ee78a96ba46fa

    • SHA256

      3f7b8a4b3e8d14816fc181cd3753c6b040799ef0a79b8f29125cdf6013c5d926

    • SHA512

      30d52aa31e9e0776a8a9eaf8ce3b209fc123ff25c7f0d02c7483b69130b604c0dfc533b9672ea4391e2f83d05264e39bf67f38c90e72122bfadfacb8d8145a42

    • SSDEEP

      3072:9DnRhLrRcy5eSxsVu2Jrjo4h78AThQiauDnc4B3ejiwf/ln:dLryHSCVlh78GqiaMFBuOK

    • 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