General

  • Target

    enviado comprobante detallado Aviso de Transferencia Realizada en cuenta empresarial.vbs

  • Size

    149KB

  • Sample

    230421-l1wrragh51

  • MD5

    26aeb38c880f8d8e02878107abdc2f54

  • SHA1

    257adf0cefde925b9426500bc43f0e87501e1894

  • SHA256

    13d68dbe8b6307b80456e6ac0f47cbef9cf2c1f99131894373145b1c8dfb66bc

  • SHA512

    27a81426dc8175d9e9002149209312cf567323963d0c4397c56e7fecec0f4dbeb967c4d16412f5bc61b8d2726ec20849440e5d7b8e1202988bbed1b3fe7f2a74

  • SSDEEP

    1536:8Kd99CObiNCocEW1aJK66n5yhtW0/5JpWn4cNIg0BfbUZlu9gISsR3MQF6a:8Kdo9JK6X/vcmg0Bfcq

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://pastebin.com/raw/fNYFJXVy

Extracted

Family

remcos

Botnet

MiloJueves1

C2

contificoseguro.con-ip.com:2500

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

    false

  • keylog_file

    logslmilo.dat

  • keylog_flag

    false

  • keylog_folder

    logslivemilo1

  • mouse_option

    false

  • mutex

    Rmcau1milo1-AZN4WS

  • 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

      enviado comprobante detallado Aviso de Transferencia Realizada en cuenta empresarial.vbs

    • Size

      149KB

    • MD5

      26aeb38c880f8d8e02878107abdc2f54

    • SHA1

      257adf0cefde925b9426500bc43f0e87501e1894

    • SHA256

      13d68dbe8b6307b80456e6ac0f47cbef9cf2c1f99131894373145b1c8dfb66bc

    • SHA512

      27a81426dc8175d9e9002149209312cf567323963d0c4397c56e7fecec0f4dbeb967c4d16412f5bc61b8d2726ec20849440e5d7b8e1202988bbed1b3fe7f2a74

    • SSDEEP

      1536:8Kd99CObiNCocEW1aJK66n5yhtW0/5JpWn4cNIg0BfbUZlu9gISsR3MQF6a:8Kdo9JK6X/vcmg0Bfcq

    Score
    10/10
    • Remcos

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

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks