General

  • Target

    18112024_1005_18112024_[SK하이닉스 ] 2024년 하반기 협력사 예비조사표·pdf.zip

  • Size

    8KB

  • Sample

    241118-l41vwayrcr

  • MD5

    0bf91ed2bc9c044467854a4d9b553acc

  • SHA1

    9e5615cc5303697784031052a95aaea1c240f996

  • SHA256

    ce47d649ae973ea63f08e678367e58a90fdda8304e1ca930b232dcb1ea29784e

  • SHA512

    36010b4c2f41bb32d48138311ee8a8f7eb0bc680b6c98fa156e7ac97e732413a3a60cbc512ea123c4c5e3983afcb488176a68554c2784414c466e7803c321aeb

  • SSDEEP

    96:buZ8ur15TLkUvb3Wi+v439vZfTymn+DKasB3qvbS8mfr23otdG/xAd/SgKtmlDaR:C8u3Db3WHEh1nmKasbY0YpAkVmBa1nz

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

xmrhgsptl.ddns.net:47392

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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-84A707

  • 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

      [SK하이닉스 ] 2024년 하반기 협력사 예비조사표.vbs

    • Size

      15KB

    • MD5

      ecdc2bdc4b6797e46ba636a37e9f4dc9

    • SHA1

      46c1326fcad9f2081169a8e204108d9987d3140b

    • SHA256

      aa39f9573531ad0822df9283582e801e104119339b4bc9553feac79f4c9da435

    • SHA512

      323da981a911a54bfeb56e76a0cd8899c74dbce07682f381f9ea3974b8f5c1a2a3c4563feabf67085da5317b69216e3beefad16b7cb1b357eae46f6faaf399ed

    • SSDEEP

      384:8aEIukP7IsT0LanTOfEia9SLFrA3BY99uN7yrkC:BBTIsguTOfi9SRrIY3ubC

    • Remcos

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

    • Remcos family

    • UAC bypass

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks