General

  • Target
    000001Verifica_di_fatture_e_conti_EUR890060.zip
  • Size 99KB
  • Sample260930-q7ffkatbkc
  • SHA256 24f738c06461e1c9eec52bb94177ff3328b115f6d1f160eefa00d358b86a78b2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Botnet
  • maIn7x

C2
  • karouts3ustyer1.duckdns.org:37690

  • karouts3ustyer2.duckdns.org:37690

  • karouts3ustyer3.duckdns.org:37690

  • karouts3ustyer4.duckdns.org:37690

  • karouts3ustyer5.duckdns.org:37690

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    lkamaoest.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    jaourttistr-72E3T1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      000001Verifica_di_fatture_e_conti_EUR890060.vbs
    • Size 190KB
    • SHA256 61e37f0bc48504ca6634042698187e8e6c7363c6be09e3b4fe03343b62acc92c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Remcos

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

    • Suricata alert: REMCOS RAT Malware Inbound C2 Communication

      Network activity triggered a Suricata alert

    • Suricata alert: REMCOS RAT Malware Outbound C2 Communication

      Network activity triggered a Suricata alert

    • Detected Nirsoft tools

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

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

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

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks