Resubmissions

12-01-2025 01:12

250112-bk12eszqfn 8

12-01-2025 01:10

250112-bjh48azphn 1

General

  • Target

    submit.gif

  • Size

    3KB

  • Sample

    250112-bk12eszqfn

  • MD5

    06c253a84b24c28dd6916a2724941f4a

  • SHA1

    d8772a9e05bd70809a50d75a91adbe2fb6f30ba0

  • SHA256

    5e6df1d077436eaa798edebcaf185853235aa57124bc449151f725ded365073e

  • SHA512

    dbc914209a7f787dfc570611f2f1097322109aae451d9c7288324e842f2584f9db0d075c9cbd677124693c0346d7f32a021124f969347f131ec20d636dc9cd45

Malware Config

Targets

    • Target

      submit.gif

    • Size

      3KB

    • MD5

      06c253a84b24c28dd6916a2724941f4a

    • SHA1

      d8772a9e05bd70809a50d75a91adbe2fb6f30ba0

    • SHA256

      5e6df1d077436eaa798edebcaf185853235aa57124bc449151f725ded365073e

    • SHA512

      dbc914209a7f787dfc570611f2f1097322109aae451d9c7288324e842f2584f9db0d075c9cbd677124693c0346d7f32a021124f969347f131ec20d636dc9cd45

    • Downloads MZ/PE file

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • 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.

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Detected potential entity reuse from brand STEAM.

    • Drops file in System32 directory

    • Probable phishing domain

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks