Overview

overview

10

Static

static

1

Bunker Not...df.vbs

windows7-x64

8

Bunker Not...df.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    fff424bc82dcaa01e09b9e5691a92fafd6b11ac09be84a3fcccf7a05f4102ffd

  • Size

    22KB

  • Sample

    241122-j9kpqstkem

  • MD5

    c97e387d25f7b623cd6464a212c29835

  • SHA1

    8616979c9e7cc54e67ca40dfd5b7d1f3dea56ab8

  • SHA256

    fff424bc82dcaa01e09b9e5691a92fafd6b11ac09be84a3fcccf7a05f4102ffd

  • SHA512

    6df62b36427120c42599bec92e46cacaa2f683fd5edfd47e1c883fc8298c8410310245f4beacf0a67428fd2e6b5be1172d6c24dcced6c70eaa07810b4275c214

  • SSDEEP

    384:L8EF5LXnPr5078nSD8mfXdJJLSn+Mf9WjWmJm92aePATkMtyPtXyCHYhUI6VOGln:L8EF5LXPG4nY8mfXdJJenhMm9jeIr6tT

Score
10/10
remcosremotehostcollectiondiscoveryrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.18.214:2404

Attributes
  • audio_folder

    MicRecords

  • 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-AOD6MB

  • 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

      Bunker Notification_pdf.vbs

    • Size

      38KB

    • MD5

      da585c076f85367266cc0c6278863775

    • SHA1

      5f20adced6dcac42336a587c4c99036098f75691

    • SHA256

      1bd7e51b56b53d6522565bee13bf0fe855b27ff37cddcc4d71cfced82e01e86f

    • SHA512

      da39a7bb7d92eadcd50b06d6c12cf9f10b4e5aa3ec6a201984f41556ea9825948ec03cc1a47c07ba7fb50169b9eb3d95fb7bc1efa78b54c7ac180723ef95cb52

    • SSDEEP

      768:CJLtBS6wlVggNDAAE1yU2QLIeG34mMEeVMSjBLf20KnHtTkoi3zToBEWLuJP:CJJBSxNDlE1y8Lps4mMEXSlLf54koiXJ

    Score
    10/10
    remcosremotehostcollectiondiscoveryrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

      collection

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks