Overview

overview

10

Static

static

3

78d52705c5...3b.exe

windows7-x64

10

78d52705c5...3b.exe

windows10-2004-x64

10

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General

  • Target

    78d52705c5cff9aab7bee41c74a1fbdb6ba8987f0792b9d4502e432e359aa43b.exe

  • Size

    140KB

  • Sample

    250115-3q686s1phm

  • MD5

    01d1968019e98d917566aa2d3630ccfd

  • SHA1

    a0afbccec6370e4f27cf94d14410c7228453065d

  • SHA256

    78d52705c5cff9aab7bee41c74a1fbdb6ba8987f0792b9d4502e432e359aa43b

  • SHA512

    bacc26d1d0fe294c5d12c30062bf952b6ad1b898c483ab125fbdda5d6e42bda5a849682619a9ad1bb980dd3eb42160b4d421390ee482b92bfdc801d2ac6fcc74

  • SSDEEP

    3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVSp:xP6/M+WLckOBhVmIYu

Score
10/10
remcoshostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

systemcontrol.ddns.net:45000

systemcontrol2.ddns.net:45000
Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    OfficeUpgrade.exe

  • copy_folder

    OfficeUpgrade

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    Upgrader.dat

  • keylog_flag

    false

  • keylog_folder

    Upgrader

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    req_khauflaoyr

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    OfficeUpgrade

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      78d52705c5cff9aab7bee41c74a1fbdb6ba8987f0792b9d4502e432e359aa43b.exe

    • Size

      140KB

    • MD5

      01d1968019e98d917566aa2d3630ccfd

    • SHA1

      a0afbccec6370e4f27cf94d14410c7228453065d

    • SHA256

      78d52705c5cff9aab7bee41c74a1fbdb6ba8987f0792b9d4502e432e359aa43b

    • SHA512

      bacc26d1d0fe294c5d12c30062bf952b6ad1b898c483ab125fbdda5d6e42bda5a849682619a9ad1bb980dd3eb42160b4d421390ee482b92bfdc801d2ac6fcc74

    • SSDEEP

      3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVSp:xP6/M+WLckOBhVmIYu

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks