General

  • Target

    6905a9d5ffefb1d0c3f85002263c13698fa664f5d95a110263057880ac05ca1a.exe

  • Size

    1.2MB

  • Sample

    240417-qw1x5abd9s

  • MD5

    12da9c502930dfc874020456c0f3d5a2

  • SHA1

    21c9aef2eaab80436924719a4597bc04aad40086

  • SHA256

    6905a9d5ffefb1d0c3f85002263c13698fa664f5d95a110263057880ac05ca1a

  • SHA512

    bb33e1d7820f6755b3d7b1182766630fa7e4d43c720eb3a87fec8d4c8e22908cb7ff0d8d7df33f3d49bfd48e68380488f9a6106a958dafd9a8c0b8b0a3d4de19

  • SSDEEP

    24576:DTbBv5rUDwcywgY7nOTBNcF/6IDbB8Ww+tihbD4FGa6mPcyGJml:dB1cLNnW4lBfbtiJNoGO

Malware Config

Extracted

Family

remcos

Botnet

APC

C2

104.219.239.56:3956

104.219.239.56:1989

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

    true

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    t676yui8.dat

  • keylog_flag

    false

  • keylog_folder

    o9876y78

  • mouse_option

    false

  • mutex

    Rmc-2CJ6XP

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      6905a9d5ffefb1d0c3f85002263c13698fa664f5d95a110263057880ac05ca1a.exe

    • Size

      1.2MB

    • MD5

      12da9c502930dfc874020456c0f3d5a2

    • SHA1

      21c9aef2eaab80436924719a4597bc04aad40086

    • SHA256

      6905a9d5ffefb1d0c3f85002263c13698fa664f5d95a110263057880ac05ca1a

    • SHA512

      bb33e1d7820f6755b3d7b1182766630fa7e4d43c720eb3a87fec8d4c8e22908cb7ff0d8d7df33f3d49bfd48e68380488f9a6106a958dafd9a8c0b8b0a3d4de19

    • SSDEEP

      24576:DTbBv5rUDwcywgY7nOTBNcF/6IDbB8Ww+tihbD4FGa6mPcyGJml:dB1cLNnW4lBfbtiJNoGO

    • Remcos

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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Tasks