General

  • Target

    2bfe76169602cd81c584da62335fd8f3bd94a8693e20c9fb2f1f3dfa5cd43130

  • Size

    1016KB

  • Sample

    241205-g3dazasldx

  • MD5

    907f9ec00dae9c158416379d2b961bd6

  • SHA1

    40bb66f564f34037a25cd55e0a6da67abe09d7c0

  • SHA256

    2bfe76169602cd81c584da62335fd8f3bd94a8693e20c9fb2f1f3dfa5cd43130

  • SHA512

    67c95bfe6dbf36d9de67159f43a5f437ea818cec18502fac8cfc657abe5457980bf3037fcec4350487385d7a8047d7df9018cc7a93757787ee31e1b234fa4b05

  • SSDEEP

    24576:I/fiNRFxKsPwGuRWNoYPe+7injApBoQ81RzC:I/KDzlwJoyYWW8AAlRzC

Malware Config

Extracted

Family

remcos

Botnet

TONY

C2

85.31.47.62:45356

127.0.0.1:45356

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-0ZKXJG

  • 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

      2bfe76169602cd81c584da62335fd8f3bd94a8693e20c9fb2f1f3dfa5cd43130

    • Size

      1016KB

    • MD5

      907f9ec00dae9c158416379d2b961bd6

    • SHA1

      40bb66f564f34037a25cd55e0a6da67abe09d7c0

    • SHA256

      2bfe76169602cd81c584da62335fd8f3bd94a8693e20c9fb2f1f3dfa5cd43130

    • SHA512

      67c95bfe6dbf36d9de67159f43a5f437ea818cec18502fac8cfc657abe5457980bf3037fcec4350487385d7a8047d7df9018cc7a93757787ee31e1b234fa4b05

    • SSDEEP

      24576:I/fiNRFxKsPwGuRWNoYPe+7injApBoQ81RzC:I/KDzlwJoyYWW8AAlRzC

    • Remcos

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

    • Remcos family

    • 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.

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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