General

  • Target

    b43ca133d57448c7afb42bffcb1ce756cdad70308d3f49c9c981fac24c55e76f.exe

  • Size

    964KB

  • Sample

    250110-depsbazkbw

  • MD5

    a2800b58845d5f108333e9f7f9c388dd

  • SHA1

    1a1ce9b83de9d2e967a539aabeafdab36dbb626a

  • SHA256

    b43ca133d57448c7afb42bffcb1ce756cdad70308d3f49c9c981fac24c55e76f

  • SHA512

    150a651055ac9c697a2132eda8a24f8f1af58d37d8a140356afd24bff629307404691213d04db92ed5948f9f47d9ac0e3e7cea72903984d1ca4b336ccbf2c23f

  • SSDEEP

    24576:FzrqD+VnGOgUL+oMIk2W/PpOlL46TFJtV:BqyVnCUaLnZONbTFJX

Malware Config

Extracted

Family

remcos

Botnet

RemcoHost

C2

173.211.106.233:2404

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-4WOIVV

  • 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

      b43ca133d57448c7afb42bffcb1ce756cdad70308d3f49c9c981fac24c55e76f.exe

    • Size

      964KB

    • MD5

      a2800b58845d5f108333e9f7f9c388dd

    • SHA1

      1a1ce9b83de9d2e967a539aabeafdab36dbb626a

    • SHA256

      b43ca133d57448c7afb42bffcb1ce756cdad70308d3f49c9c981fac24c55e76f

    • SHA512

      150a651055ac9c697a2132eda8a24f8f1af58d37d8a140356afd24bff629307404691213d04db92ed5948f9f47d9ac0e3e7cea72903984d1ca4b336ccbf2c23f

    • SSDEEP

      24576:FzrqD+VnGOgUL+oMIk2W/PpOlL46TFJtV:BqyVnCUaLnZONbTFJX

    • 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