General

  • Target

    9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7.exe

  • Size

    1.1MB

  • Sample

    240824-brw12syard

  • MD5

    b11bbc6c3ae4709fa22dd8d9a33bfeac

  • SHA1

    fcbda98feb1d419e0a34b7cb048952a83517e6a3

  • SHA256

    9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7

  • SHA512

    332afde29fab387fc0bb3036d77aacd80dfb2f75d466e9e882ea3ea499f36282dff668cb0e3d000c7ec79bf8c7cdef1ac472b652e24ab070d6cafa0f91bc6c93

  • SSDEEP

    24576:Rw/vqi/VUNCMyv976OS3Aq3BT6nbvNox4vrY1rbpps8Gs:Rw7VDLXSwsBT6nbVols8Gs

Malware Config

Extracted

Family

remcos

Botnet

YAKI

C2

newsletter208.home-webserver.de:3942

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-4CS32L

  • 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

      9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7.exe

    • Size

      1.1MB

    • MD5

      b11bbc6c3ae4709fa22dd8d9a33bfeac

    • SHA1

      fcbda98feb1d419e0a34b7cb048952a83517e6a3

    • SHA256

      9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7

    • SHA512

      332afde29fab387fc0bb3036d77aacd80dfb2f75d466e9e882ea3ea499f36282dff668cb0e3d000c7ec79bf8c7cdef1ac472b652e24ab070d6cafa0f91bc6c93

    • SSDEEP

      24576:Rw/vqi/VUNCMyv976OS3Aq3BT6nbvNox4vrY1rbpps8Gs:Rw7VDLXSwsBT6nbVols8Gs

    • 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.

    • 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.

    • ModiLoader Second Stage

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks