Overview

overview

10

Static

static

3

requests-pdf.exe

windows7-x64

10

requests-pdf.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    requests-pdf.exe

  • Size

    474KB

  • Sample

    241214-ptf99sskcx

  • MD5

    36c9bb380d71f7ad243b57c522fc2768

  • SHA1

    ef2eb660d985bfb693fcdb5b81c3ccffb9763646

  • SHA256

    0e184edac45ddeaf7ca4681b65e7b4accafb6705032faf6d2f6a61d2ef6d1ded

  • SHA512

    e28112d772dbacfae29de2b6b866f51ecad05278c2dc2a87bc73c6817a0c5db8310bea2de7b22a05a69a529858bdc5eae0537f9ec4238e9d8bc7e37e84678e0f

  • SSDEEP

    6144:w5C+1+ZjpLnXIc5qM2ssBvQvSDfMe9v5lxtJQwNbG1Aflpw4CWffeM:w5C+I5JnYSidt3DPNbG1ENCWZ

Score
10/10
remcosyavakosadiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Yavakosa

C2

198.23.227.212:32583

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    yavascript.exe

  • copy_folder

    xenor

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-I7G983

  • 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

      requests-pdf.exe

    • Size

      474KB

    • MD5

      36c9bb380d71f7ad243b57c522fc2768

    • SHA1

      ef2eb660d985bfb693fcdb5b81c3ccffb9763646

    • SHA256

      0e184edac45ddeaf7ca4681b65e7b4accafb6705032faf6d2f6a61d2ef6d1ded

    • SHA512

      e28112d772dbacfae29de2b6b866f51ecad05278c2dc2a87bc73c6817a0c5db8310bea2de7b22a05a69a529858bdc5eae0537f9ec4238e9d8bc7e37e84678e0f

    • SSDEEP

      6144:w5C+1+ZjpLnXIc5qM2ssBvQvSDfMe9v5lxtJQwNbG1Aflpw4CWffeM:w5C+I5JnYSidt3DPNbG1ENCWZ

    Score
    10/10
    remcosyavakosadiscoverypersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks