General

  • Target

    0dc4b40e172511950b2dbfc92eda71029f090c1f8ddbbe89921f5c49ee92f59d

  • Size

    835KB

  • Sample

    220521-w11e2seacl

  • MD5

    fd65ad955ceb50ef41e385c88d751dc8

  • SHA1

    b31c56045109fafabe403537e60647361a8ab4ca

  • SHA256

    0dc4b40e172511950b2dbfc92eda71029f090c1f8ddbbe89921f5c49ee92f59d

  • SHA512

    82666b25382206715d13f83c40a05ef9006f94b8db7f27463aac8e24f40cf579c3345b668db1339b7cc796107fe5091129437478e2c660471d9c5a4ee768df3a

Malware Config

Extracted

Family

remcos

Version

2.5.1 Pro

Botnet

AUGUST-BLESS-ME

C2

officer170.webredirect.org:2404

chidera12345.ddns.net:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-T7VXCL

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      POEA MEMORANDUM NO. 62-2020 ON ACCREDITATION OF AGENCIES.PDF.exe

    • Size

      969KB

    • MD5

      6a8addc2fd26cab55567eba884e377d5

    • SHA1

      2fba0e16b023e47ff5c866325c5208a2d49f9da2

    • SHA256

      86c92d4b2244153a1f601168307d0c60f413631574d9c0ed3fe4c6fa890d6c26

    • SHA512

      024fc7aafc4ce64f0ddeefc0351fc0684fc9eb0a0d38f1b07152b19397da10edc5d0f99ffadb0632fc89d145ea872751ae10762f667d893fa26ed0dd223adb4a

    • Remcos

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

    • suricata: ET MALWARE Remcos RAT Checkin 23

      suricata: ET MALWARE Remcos RAT Checkin 23

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks