General

  • Target

    7e6fef3fa9dd8c30cc008589b0a70ad6.bin

  • Size

    183KB

  • Sample

    241108-btqxta1naz

  • MD5

    e304addd922497d414109e9afeb1c075

  • SHA1

    2ac946595407194df33bcc53d06c1a2c144e5639

  • SHA256

    9b53f43a8ac20c178431b1bfc7e28e70b07960c4c43b7b52265101684e9563f8

  • SHA512

    529d8bd314d20f0d11870b06c8eda3f0a6e677b34258290e6e0a2081284e4ec6883c4b709917406353913577fb61c8ccd6a95f4946c2d37424a1d508b2c545e2

  • SSDEEP

    3072:16Q5ulYE8f2PLupLHA8YaNM8MMpdRpVSLGdRY6FYU8JE13Zr3bb/1hDms8iRVMrV:1PHxf2P6BgtaNMVUzpVx46FE63bHDPeV

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

212.162.149.226:9285

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    AppUpdate

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-VCJ8ZS

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    AppUpdate

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      cd5de9645bcf37759921a67c205b215141ac17cc47281a159f2eada11e6f45ca.exe

    • Size

      429KB

    • MD5

      7e6fef3fa9dd8c30cc008589b0a70ad6

    • SHA1

      07079f7f8ba3965042b8d4f665d74d2587563300

    • SHA256

      cd5de9645bcf37759921a67c205b215141ac17cc47281a159f2eada11e6f45ca

    • SHA512

      9a7b8f7c5a113fd0140bdee54ede2381e10441d64602ba2e4a7b34ce410ff2b6fd775ff79f78d421df0dabd90a245f354f0bd2afd45be376ef9f35fe0e4a97f8

    • SSDEEP

      6144:O5dm2Gdz+WiLrCXXifndEqSn4i4fFBnvTctYj3ZuDRJl8nkSC6ao:2NVWSrCqndEqS4tBotYj3Zuctao

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks