Overview

overview

10

Static

static

10

HOTFIX.exe

windows7-x64

10

HOTFIX.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    HOTFIX.bat

  • Size

    92KB

  • Sample

    240707-yh3hssxcrp

  • MD5

    49dea8978a30fad5001a5f689b7f15e1

  • SHA1

    317c883761e60af918ab9748d7417d931963849f

  • SHA256

    d138d810c8b0d8770b31b62f87a2b51bdf33ac1920b41a80007ed718397e7390

  • SHA512

    dc3c29adbd1ad52bcba7fb0b24985798abc51c90984f3b556b448380c036407b92bf6f4275252c0e864b330aea00de6f0096945286f28be1a415fde20833c0dd

  • SSDEEP

    1536:ohhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP60rj:uhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+3

Score
10/10
remcoshostpersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

to-adam.gl.at.ply.gg:65290

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_icbwxxlmpc

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screens

  • screenshot_path

    %Temp%

  • screenshot_time

    10

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      HOTFIX.bat

    • Size

      92KB

    • MD5

      49dea8978a30fad5001a5f689b7f15e1

    • SHA1

      317c883761e60af918ab9748d7417d931963849f

    • SHA256

      d138d810c8b0d8770b31b62f87a2b51bdf33ac1920b41a80007ed718397e7390

    • SHA512

      dc3c29adbd1ad52bcba7fb0b24985798abc51c90984f3b556b448380c036407b92bf6f4275252c0e864b330aea00de6f0096945286f28be1a415fde20833c0dd

    • SSDEEP

      1536:ohhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP60rj:uhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+3

    Score
    10/10
    remcoshostpersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Adds policy Run key to start application

      persistence

    • 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

    • Modifies WinLogon

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks