General

  • Target

    31e13c7c061209fcfc2781b6ccd4b91ece4482791dfa1fd899903646e916f600

  • Size

    12KB

  • Sample

    240916-mnlxfssgmc

  • MD5

    de6ab407e2d618428b0b0359a6bb9eb8

  • SHA1

    e640e409d7e1c0362ba77c13cfd9fc9dfcfedf0f

  • SHA256

    31e13c7c061209fcfc2781b6ccd4b91ece4482791dfa1fd899903646e916f600

  • SHA512

    5693220ca6a01f542f5d6ae3c44ce2624522c48807f2f2023655d280b6ae129aae5ae19e31b53c2da0b87038567ecdd976f102723a4b48fd181fbbaabbdd8b68

  • SSDEEP

    384:LXHYGtqC9/L4OMjFybvhJgOQpyBxmADoQ/y45Vdn:L37qy4GvhJEs3mHsVdn

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

a458386d9.duckdns.org:3256

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-WDQFG0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Orange_doklad_CN0179783543_20240916_FR20934200077085·pdf.vbs

    • Size

      39KB

    • MD5

      a8eaec0ce9a1a02805ca7248d61dce62

    • SHA1

      3adc63cda4f1d797b49b0ae721cbb41caecda524

    • SHA256

      c54caab4e2957ad82b579e23bb079984b7aaf13484f8c5989a6b4aa84048bc2c

    • SHA512

      aac88d2ba244c376eee4ce0ea38050b95e45f682d7f667b11d016e77822484864f5c6b7fa8b0ea6bc98463c2e3dcfd0bdc3bd2bc16204368109512d28ecd472a

    • SSDEEP

      384:Z9vOg3gWe95Arw8M+OJWlZjYUKsA8r7Opt/in6M6zyQQZWnspmErww6u3TTluQeW:Zp3gWU8MaSpBm6eMs34W30atvp

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Legitimate hosting services abused for malware hosting/C2

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks