Overview

overview

10

Static

static

1

d7fa6d8759...39.exe

windows7-x64

10

d7fa6d8759...39.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d7fa6d87594ea4d8b5740d54fdc204b08f4e9439

  • Size

    7KB

  • Sample

    230203-x8swlsaf92

  • MD5

    b359f4af5c88b1e237db9738415b7682

  • SHA1

    d7fa6d87594ea4d8b5740d54fdc204b08f4e9439

  • SHA256

    53ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd

  • SHA512

    6d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb

  • SSDEEP

    96:xtEsKVeCVIP7bLp8LAn5c8aY1ej/kKV+J2qzNt:xUVVIP7bLrEOejcKYx

Score
10/10
purecrypterremcosremotehostdownloaderloaderpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

194.180.49.17:28282

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    rdfghfgjkgoighjc.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-PC1DJ2

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      d7fa6d87594ea4d8b5740d54fdc204b08f4e9439

    • Size

      7KB

    • MD5

      b359f4af5c88b1e237db9738415b7682

    • SHA1

      d7fa6d87594ea4d8b5740d54fdc204b08f4e9439

    • SHA256

      53ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd

    • SHA512

      6d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb

    • SSDEEP

      96:xtEsKVeCVIP7bLp8LAn5c8aY1ej/kKV+J2qzNt:xUVVIP7bLrEOejcKYx

    Score
    10/10
    purecrypterremcosremotehostdownloaderloaderpersistencerat

    • Detect PureCrypter injector

      loader

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

      loaderdownloaderpurecrypter

    • Remcos

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

      ratremcos

    • 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 v6

Tasks