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General

  • Target

    877ab6295833fcb788316b1cbaa42602689cba90d069a4454335edc7e8fa4b88.rar

  • Size

    756KB

  • Sample

    240214-f9p3nsbe72

  • MD5

    6f4fd329383f57e03850185d0771ae4a

  • SHA1

    45beec001a2af577f2e2aed2422579cdc2ceeb76

  • SHA256

    877ab6295833fcb788316b1cbaa42602689cba90d069a4454335edc7e8fa4b88

  • SHA512

    99d33aa7c23dcc963b0329302c7253b6a07b457fa46cd199af5ba16a61205c8dd29d55f4bcd0d1461df5a9dee879f22046fc0e56777dfed464fdadba35f47c1f

  • SSDEEP

    12288:q0no5xwgZ1ueWsTtZu+KYo7nI064UFgHlYuOso+FSYdrchlLMiN6S1i6RXiK8sPM:q+ORZ1uTsxZu+D06HuQ+FSYNI151i6R6

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:55677

127.0.0.1:45671

mypersonrem.duckdns.org:45671

mypersonrem.duckdns.org:55677

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-146CM0

  • 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

      INV-M673778.01_CRM03283275.bat

    • Size

      1.7MB

    • MD5

      4684b78291fbd184c63fc72362ad6638

    • SHA1

      18b9acfef0f9cb0bc368a3f7bab870b5c8d0ea45

    • SHA256

      104dabc5458396ad4bc4bd595a18dd578a0fbbabcf2dc2446fa25d4dd3cd4395

    • SHA512

      008d9be60f83bbcb8923bf63c19940e25b53c4df2ff86c3f6ce8c46d2570eebc47774179a99d05c96e87e01e40b48e8a154d4ba412ad8494f4eef4b995d24eac

    • SSDEEP

      24576:ibbzU4JA5g17ST/0F1tjX48FSYlb+7jx9N29q6VeR6:inBA5g1uT/G1tjX48hw7jB6g8

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables built or packed with MPress PE compressor

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • ModiLoader Second Stage

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Creates new service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks