Resubmissions

21-05-2024 09:40

240521-lnbaaagg23 10

21-05-2024 09:39

240521-lmn5ragg3s 3

21-05-2024 09:36

240521-lk6l1sgf37 3

General

  • Target

    April Account Ledger_1.exe

  • Size

    574KB

  • Sample

    240521-lnbaaagg23

  • MD5

    9b46fc395d0ba05be6a0a1860a863142

  • SHA1

    3c7419a5107c36a62bcae93ca50dea87a4836fce

  • SHA256

    8b56cc2c461f79c2cfcdbddf1dc63f021d5ccda36b9939715fd5c4f95c1d04c8

  • SHA512

    6cbe9ceaab9b30c26246e2a398152dc94744b7fb96fd5f0362729e03d511138e72f67e7229a18cc51a0bd6a806b0df265232420c9eb5c88b53ff71d33a446cda

  • SSDEEP

    12288:ZFaI3K8ZDjs2kwxUFR3mB476nJ7owK4YWnwK5Vc2nEAmD:ZTawDjhPxUF5maun6Tonw8h

Score
10/10

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

NxT

C2

185.156.174.115:11274

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

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    windows.dat

  • keylog_flag

    false

  • keylog_folder

    NxT

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_wtxnvdauuk89796yuhjk7y

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      April Account Ledger_1.exe

    • Size

      574KB

    • MD5

      9b46fc395d0ba05be6a0a1860a863142

    • SHA1

      3c7419a5107c36a62bcae93ca50dea87a4836fce

    • SHA256

      8b56cc2c461f79c2cfcdbddf1dc63f021d5ccda36b9939715fd5c4f95c1d04c8

    • SHA512

      6cbe9ceaab9b30c26246e2a398152dc94744b7fb96fd5f0362729e03d511138e72f67e7229a18cc51a0bd6a806b0df265232420c9eb5c88b53ff71d33a446cda

    • SSDEEP

      12288:ZFaI3K8ZDjs2kwxUFR3mB476nJ7owK4YWnwK5Vc2nEAmD:ZTawDjhPxUF5maun6Tonw8h

    Score
    10/10
    • Remcos

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks