General

  • Target

    4304f60f1efdc44fb82e632d7d6a15a62c8583aab914da08ec73b8bc709a209b.exe

  • Size

    938KB

  • Sample

    240920-bpad9s1ema

  • MD5

    041848dfe86c9d7e4f84a3b4bf065075

  • SHA1

    33ae188d83c9bdcfc1e7c37604011161564d1ad3

  • SHA256

    4304f60f1efdc44fb82e632d7d6a15a62c8583aab914da08ec73b8bc709a209b

  • SHA512

    723086e68480c295cbdd57aeda44785f83cca40ef43a166a427135d3b7969fdbfc184a975a4da20b6bc66833f168477b13a50306f66ac5dcdbe95998514f6648

  • SSDEEP

    24576:OiwEHfhzre4gZVF4tspROMsDInpvmMB/pAzDbY:/7SF4toYFqUDU

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:59321

nnamoo.duckdns.org:59321

Attributes
  • audio_folder

    MicRecords

  • 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-41EVS0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      4304f60f1efdc44fb82e632d7d6a15a62c8583aab914da08ec73b8bc709a209b.exe

    • Size

      938KB

    • MD5

      041848dfe86c9d7e4f84a3b4bf065075

    • SHA1

      33ae188d83c9bdcfc1e7c37604011161564d1ad3

    • SHA256

      4304f60f1efdc44fb82e632d7d6a15a62c8583aab914da08ec73b8bc709a209b

    • SHA512

      723086e68480c295cbdd57aeda44785f83cca40ef43a166a427135d3b7969fdbfc184a975a4da20b6bc66833f168477b13a50306f66ac5dcdbe95998514f6648

    • SSDEEP

      24576:OiwEHfhzre4gZVF4tspROMsDInpvmMB/pAzDbY:/7SF4toYFqUDU

    • Remcos

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

    • 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