General

  • Target

    8d35d5af29a9bf3215debc87e823b56f0277b9a30d92f9f39588dbe6e914260a

  • Size

    951KB

  • Sample

    250115-da1n1syjcx

  • MD5

    bbeca22dc8c8cea2b826e1d7b4307a93

  • SHA1

    3f9a101d9282a03d9b96055570cac3b5dfa410b9

  • SHA256

    8d35d5af29a9bf3215debc87e823b56f0277b9a30d92f9f39588dbe6e914260a

  • SHA512

    9bb6ee407c6c06d3b5a6155e58cab101b538b3586ed268dfc3da80805e609b4ed877e806f463a3f3a59484fba96acdc9d14047a1895f4e41a86f0ac2549cd34f

  • SSDEEP

    24576:e3ttodhuKVoGsmieyZKGhc2W9grQ6A2GitvZ:juIoePr2BrQ0TR

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

87.121.86.6:2404

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-QB5RVX

  • 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

      Order 15012025.scr

    • Size

      1.0MB

    • MD5

      0961238c5eb544064ec679ab3ae1d768

    • SHA1

      97f2c51446ef7cc58451db902b83311540273dd3

    • SHA256

      3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09

    • SHA512

      89929f4730680d4d86efb9203ef615cee77fe68b141c1ba54932fb88455435afdd3f1249f8144f706cb10daf6fea6dea40f656fc3540dd559b46a808561a7fad

    • SSDEEP

      24576:wYJN+UVsa/olu4AdAGswqi7Ramu9irQJ2GiaTQ:P3+UfP4MRMcrQ4ITQ

    • 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