General

  • Target

    bb4bf3eb6ca4a9b81bf741b5d85d82127c8b8e716637e7d37450980c28f0178fN.exe

  • Size

    916KB

  • Sample

    241117-ry7dcs1nax

  • MD5

    7c9117e9ec6db111cf1f67d512b5e800

  • SHA1

    8b88b24bf4893a9c1dff2f79425f4cbea4a79bd5

  • SHA256

    bb4bf3eb6ca4a9b81bf741b5d85d82127c8b8e716637e7d37450980c28f0178f

  • SHA512

    a4cf30a429ebb4f2533538f51ef0314f7993b653a5989bac51d944eb4c163dc16745e858ddc81bbe400bce80f4ee839fb876abacc1dede69b491375fd0767cb2

  • SSDEEP

    24576:bMyqk7d8gE/KTudG5Zl75eJzKo8BYttZ7npS4d:XZ8gE/KSdyT5u+fB6TpSo

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

alibabaforwader.duckdns.org:60247

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-6XDESO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      bb4bf3eb6ca4a9b81bf741b5d85d82127c8b8e716637e7d37450980c28f0178fN.exe

    • Size

      916KB

    • MD5

      7c9117e9ec6db111cf1f67d512b5e800

    • SHA1

      8b88b24bf4893a9c1dff2f79425f4cbea4a79bd5

    • SHA256

      bb4bf3eb6ca4a9b81bf741b5d85d82127c8b8e716637e7d37450980c28f0178f

    • SHA512

      a4cf30a429ebb4f2533538f51ef0314f7993b653a5989bac51d944eb4c163dc16745e858ddc81bbe400bce80f4ee839fb876abacc1dede69b491375fd0767cb2

    • SSDEEP

      24576:bMyqk7d8gE/KTudG5Zl75eJzKo8BYttZ7npS4d:XZ8gE/KSdyT5u+fB6TpSo

    • Remcos

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

    • Remcos family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks