General

  • Target

    7eabfd11071c795239758dbe44aa1311e89db5f1bd488fb3133757eba8842e16

  • Size

    79KB

  • Sample

    230129-x5v7kacc5z

  • MD5

    771a90e168eb38cf7b43ae841759a68f

  • SHA1

    67ea99261e3fad89dce8771c8f9ed4e3c6f9d35a

  • SHA256

    7eabfd11071c795239758dbe44aa1311e89db5f1bd488fb3133757eba8842e16

  • SHA512

    98a4663f05be6f56ece305da44d2a8df3d5d17b72d1b85489b13c81745c5c16c711d3e3a68d5c76b5b7a32f9ada3df85ac43bd2df87ea801c395d0dc7a041100

  • SSDEEP

    1536:S5CmrfW0509dVoxdVps8KQ+lu9TbdbfRA:DD3uxMl4TbdbfRA

Malware Config

Extracted

Family

limerat

Wallets

1PwPgp5XGS4VapRjQM1XijgAs2psFeZVGM

Attributes
  • aes_key

    #C^7M3ha6&%678n3VRZet)-D*;zH8Hxa

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/6mZktVr5

  • delay

    51

  • download_payload

    false

  • install

    true

  • install_name

    Windows Update Assistant.exe

  • main_folder

    UserProfile

  • pin_spread

    false

  • sub_folder

    \Microsoft\

  • usb_spread

    true

Targets

    • Target

      7eabfd11071c795239758dbe44aa1311e89db5f1bd488fb3133757eba8842e16

    • Size

      79KB

    • MD5

      771a90e168eb38cf7b43ae841759a68f

    • SHA1

      67ea99261e3fad89dce8771c8f9ed4e3c6f9d35a

    • SHA256

      7eabfd11071c795239758dbe44aa1311e89db5f1bd488fb3133757eba8842e16

    • SHA512

      98a4663f05be6f56ece305da44d2a8df3d5d17b72d1b85489b13c81745c5c16c711d3e3a68d5c76b5b7a32f9ada3df85ac43bd2df87ea801c395d0dc7a041100

    • SSDEEP

      1536:S5CmrfW0509dVoxdVps8KQ+lu9TbdbfRA:DD3uxMl4TbdbfRA

    • LimeRAT

      Simple yet powerful RAT for Windows machines written in .NET.

    • Executes dropped EXE

    • Looks for VMWare Tools registry key

    • Checks computer location settings

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

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks