General

  • Target

    553574d4bbf87048d5ecedc4290ff5a056c8472e786bf377d8fb14ba02b20bf2

  • Size

    939KB

  • Sample

    241227-jh8mgssrgy

  • MD5

    7d9580c70ec6b7b4aea5463106c68f48

  • SHA1

    9ef2913994e3e0d854df559c295958eba9ed035c

  • SHA256

    553574d4bbf87048d5ecedc4290ff5a056c8472e786bf377d8fb14ba02b20bf2

  • SHA512

    e6b73a699db3add02572150414b62d292684e56161140596c6a5b64b40e44c73641d85c4d4fa968ca5942a8773e24c7b14ea120e95e8d17c382089c5d050a739

  • SSDEEP

    24576:3pMFRmTrGGT5FBCZ8z30ibFfCsMVfwSw2T2/Kz9kZDIW:2SvrdO8z3xFnMRY/KzKZ/

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.64.152:2559

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-ZFXG9Y

  • 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

      1evAkYZpwDV0N4v.exe

    • Size

      1.0MB

    • MD5

      01366b2e0ca4523828110da357d12653

    • SHA1

      80a4c110832923d56d4b86a10adf357e1839c7b8

    • SHA256

      f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024

    • SHA512

      b4e21bb81c0134eec03a37ad171a73c6a501891717656a590ac94e2defe255f4fcc13a65b2e69d6652d6ba8f2264f883472be56c548c2e8cc15c132de88a567d

    • SSDEEP

      24576:X1azvpEnO/9uGgmyB7KMXEHB036bTTOz9Rs:X1kpEg9uBOsEHbsS

    • 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