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General

  • Target

    6a6bdca6653405f741177f8f141bf3231ba7e17c14da81a1d8286803ed866d18

  • Size

    1.4MB

  • Sample

    241113-cawjmaxpdn

  • MD5

    43606bda84564bc8850173573be00a16

  • SHA1

    40b066639b0b59e892ceac671c263b436544406b

  • SHA256

    6a6bdca6653405f741177f8f141bf3231ba7e17c14da81a1d8286803ed866d18

  • SHA512

    f91ff9228d79801f7636833334eb7b6d4bd979a9888df8e624af4a591cda1adb4c6ff8b2145ba4a721ef7c538dc54f195a4fc697d686403cc04272849235828e

  • SSDEEP

    24576:0zFh6Ax5KkdYBlFJq3S+QxraaBEhK3ZDsncGI0qBttv9/NkmMJjr2H:wFh6MKkWVJq3ZuhBEhMgcAmvR0YH

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

162.251.122.86:6644

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-CGA6IQ

  • 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

      RFQ_HYU-241002863 SQ-242000846그리고 PO-248000263.exe

    • Size

      1.7MB

    • MD5

      1d572147e37c4766851afec9c30aacf9

    • SHA1

      cee9e2191859ccbbb259329684bd1849056a3622

    • SHA256

      6177136bd2ab5a59885aed70a333b5b59885bc9457bd36a98f176f6d26c8b530

    • SHA512

      24f30d63ff61f729af2f84558b5f42778921be921706e182cbf58aa12637c44bc3967ec8e29583924791724b1af54db697a22bea4b8a02bede1cb21ed9f453c5

    • SSDEEP

      49152:7JZoQrbTFZY1iaC3q3z8JFExUq4IoBNA13:7trbTA1Xz8EPTx13

    • Remcos

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

    • Remcos family

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks