General

  • Target

    402dc87138121e2ac00c7bc65bbdd39a9ab0091c3a1b163066924887a20ab361.exe

  • Size

    1.2MB

  • Sample

    241122-csjb1ssmcx

  • MD5

    08b5fa6876e0dc8d5c226597d89e646b

  • SHA1

    4b5f7b0dd2303c81427f9ab47ff9046c43718552

  • SHA256

    402dc87138121e2ac00c7bc65bbdd39a9ab0091c3a1b163066924887a20ab361

  • SHA512

    4f20a03dbcb5e16c4e934e67455eb48bf7bd9681b5fdc731bf278409c78e698527ee125ac2ed0e3f09bc1551a2684e16ba3e34613da9a1eb32bca781b85ea48c

  • SSDEEP

    24576:IPMpzxWvSQVw/BSCDyBSvbSFMySqL1fjv4G4uKZ0PU:JWvxiSCWBSzsVL1fktec

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.16.54:6092

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-YJ70D0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    true

  • take_screenshot_time

    5

Targets

    • Target

      402dc87138121e2ac00c7bc65bbdd39a9ab0091c3a1b163066924887a20ab361.exe

    • Size

      1.2MB

    • MD5

      08b5fa6876e0dc8d5c226597d89e646b

    • SHA1

      4b5f7b0dd2303c81427f9ab47ff9046c43718552

    • SHA256

      402dc87138121e2ac00c7bc65bbdd39a9ab0091c3a1b163066924887a20ab361

    • SHA512

      4f20a03dbcb5e16c4e934e67455eb48bf7bd9681b5fdc731bf278409c78e698527ee125ac2ed0e3f09bc1551a2684e16ba3e34613da9a1eb32bca781b85ea48c

    • SSDEEP

      24576:IPMpzxWvSQVw/BSCDyBSvbSFMySqL1fjv4G4uKZ0PU:JWvxiSCWBSzsVL1fktec

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks