Overview

overview

10

Static

static

3

rSO3315RCO...cr.exe

windows7-x64

10

rSO3315RCO...cr.exe

windows10-2004-x64

10

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General

  • Target

    rSO3315RCOHBLKHRTMP249013CO240913.pdf.scr.exe

  • Size

    925KB

  • Sample

    240911-yqzf4szekj

  • MD5

    0e9e305e1e69c435383eb73f66c63530

  • SHA1

    9d5eb75968bfe5a1e12af2d81f8b20322c77f2ec

  • SHA256

    79b1315cab839553008486cf182981ce0a36c1755a83e37f7b107cdb7266f0cb

  • SHA512

    1bdd88fab52efebbc81ce27b961f7a574ca6e4a9216570bf5193ff09c8f9f8771b93e0a4a312f61a208ecfec2f97b7027fa99dce35b5772d7d99a2a65ad5645e

  • SSDEEP

    24576:Ibo2IFemqKLdQ+tExSVoVKbcqmuDaomTzktr:Ic2tlKLzsAqAhtSgt

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

104.250.180.178:7902

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Adobe.exe

  • copy_folder

    Adobe

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Adobe-OTOIRK

  • 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

      rSO3315RCOHBLKHRTMP249013CO240913.pdf.scr.exe

    • Size

      925KB

    • MD5

      0e9e305e1e69c435383eb73f66c63530

    • SHA1

      9d5eb75968bfe5a1e12af2d81f8b20322c77f2ec

    • SHA256

      79b1315cab839553008486cf182981ce0a36c1755a83e37f7b107cdb7266f0cb

    • SHA512

      1bdd88fab52efebbc81ce27b961f7a574ca6e4a9216570bf5193ff09c8f9f8771b93e0a4a312f61a208ecfec2f97b7027fa99dce35b5772d7d99a2a65ad5645e

    • SSDEEP

      24576:Ibo2IFemqKLdQ+tExSVoVKbcqmuDaomTzktr:Ic2tlKLzsAqAhtSgt

    Score
    10/10
    remcosremotehostdiscoverypersistencerat

    • Remcos

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

      ratremcos

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks