Overview

overview

10

Static

static

1

CARTA FISC...SE.exe

windows7-x64

10

CARTA FISC...SE.exe

windows10-2004-x64

10

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General

  • Target

    CARTA FISCAL PRESENTARSE.tar

  • Size

    1.2MB

  • Sample

    230329-l5f7vshd6t

  • MD5

    2fd6137119a230a6f8c9608f164d862a

  • SHA1

    9bebd3505fe84b2c3b1f332c0d05a50470ddba7d

  • SHA256

    5d486b28d85027e255390949dcdef035a053089fef3b303387898d4f41c60674

  • SHA512

    d6b00b9a8d0dcc020717333c0b00aabd33bfcf15440015362cd81614bfe38fb4f96b6b93d89e5fa3c9c51a085b3f23232e8be9d7da8051454b8369d2d916adeb

  • SSDEEP

    24576:2Q7TfXYtv4di6Pc1zR3xInDUtdzw82FhmD8YDVR2GYdFpRtgucOMZwh:2GTY4diBx+DU8823e5pRFY7OLON

Score
10/10
remcosmexicorat

Malware Config

Extracted

Family

remcos

Botnet

MEXICO

C2

werverdsfefef.con-ip.com:1883

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

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-RFTFW0

  • 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

      CARTA FISCAL PRESENTARSE.exe

    • Size

      1023.9MB

    • MD5

      e2a24ef9edb67e751bbbcadca7416f16

    • SHA1

      bbb4ea01191753511fdf9f191dca1556a24f4edf

    • SHA256

      1880335e08b26304dffb8cc2da63aa943647e43dc984cd68b9c0618af745f469

    • SHA512

      06715fe90233bfe6c172a77a345faf1e95653b40b5850b71e4e1d3502ac50b9f8dc55293deb44d24ff37970702b61d7d93bfbdfffd78cda3f041d5efd4a0d21d

    • SSDEEP

      12288:oAD36cqIFgDW1/0UdEIXduAhUCgXYTXwpVs21QL:x6cqIyVIXgAOD6Xwc

    Score
    10/10
    remcosmexicorat

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks