General

  • Target

    22012025_0008_21012025_Quotation.gz

  • Size

    923KB

  • Sample

    250122-aez2haxrcw

  • MD5

    daeda6f7a22d066ac18c22718db77e91

  • SHA1

    4594ae07d0680b064b1c05d376f2721f26496167

  • SHA256

    b1f568bded61ea7bf8326907be78f5bddd43f3cb03be219d462917440ba1eaa7

  • SHA512

    992de510212655909269aaef71c1c996e040b8707b74f1136392945972c5c2e06dd344ac6e622b45e2a671a3b11a7792c70c9f03886317a8fc8bf73c1deea2c5

  • SSDEEP

    24576:mQvWw6VgHuFSa2m0Dm3b3T3QcRsB6JyDhLiRa7r6Doy1FxfY:PvtHza2mr3jrQcy6J0Ya7eDoyfe

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

2.58.56.182:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-GM05WY

  • 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

      Quotation.exe

    • Size

      1.0MB

    • MD5

      508fba262804a1ec8d887868d2e8ee2c

    • SHA1

      a909187e35e60749e4da331d37599e2a29fe2b7e

    • SHA256

      91a4ae1e1acda298e513d45b389598a4e6561fe83f8db3d05c44bcb551c01a16

    • SHA512

      d2d2c39a4068fb4b527fec0624f9b227c05d62f9e0636591ca73660fbc7809834b757d73ec9c92679e507f97eb5cbbbb8a842502eebe6bd565a05226d2ed00d4

    • SSDEEP

      24576:7Odf+JAUM+bdGdzFpU3ZKA58wnTkdxNpSv8YCGJm:7yf+ZodzHU3ZK08dvNgvbCGJ

    • Remcos

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

    • Remcos family

    • 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