General

  • Target

    e031d53424f8a015b4cf04ec035a7fa41c8f5eee4a88684d2a3a3d88399441f1

  • Size

    1.0MB

  • Sample

    240725-edp75azdnd

  • MD5

    48dcf16936dbe506f8704d190356b676

  • SHA1

    97ea2569f6474134a8a438af28d4803f921947f3

  • SHA256

    e031d53424f8a015b4cf04ec035a7fa41c8f5eee4a88684d2a3a3d88399441f1

  • SHA512

    d228c894d85f351ff7c0d0a581daf217f6a0bdf28272793a5ba4602907aca37e1f34d652dfc478ec244fe30dc9a8b6cfbe9b147fdc404e95e3f51d44283beb0c

  • SSDEEP

    12288:pjveGONXiQdAIRHqRP4I2eH/deBI3mMKVkzxC1Ooza01iMeRacMQlxgA5cHGorbu:gGOX0IgB2eH/dlpykVS9a01QJYu5oG

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.186.116.90:67

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-U29DLE

  • 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

      e031d53424f8a015b4cf04ec035a7fa41c8f5eee4a88684d2a3a3d88399441f1

    • Size

      1.0MB

    • MD5

      48dcf16936dbe506f8704d190356b676

    • SHA1

      97ea2569f6474134a8a438af28d4803f921947f3

    • SHA256

      e031d53424f8a015b4cf04ec035a7fa41c8f5eee4a88684d2a3a3d88399441f1

    • SHA512

      d228c894d85f351ff7c0d0a581daf217f6a0bdf28272793a5ba4602907aca37e1f34d652dfc478ec244fe30dc9a8b6cfbe9b147fdc404e95e3f51d44283beb0c

    • SSDEEP

      12288:pjveGONXiQdAIRHqRP4I2eH/deBI3mMKVkzxC1Ooza01iMeRacMQlxgA5cHGorbu:gGOX0IgB2eH/dlpykVS9a01QJYu5oG

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • 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.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks