General

  • Target

    9c39d381f96fb45ffcb826c90aaee8c6818767eabf44e757fa5518217611d7c7.exe

  • Size

    1.3MB

  • Sample

    250217-efsq2ayrcm

  • MD5

    8b0f66978d1934eec07b6213c2c8037a

  • SHA1

    a33a467ae0d0ceaefcefaf7a5b6f7670ec1c3062

  • SHA256

    9c39d381f96fb45ffcb826c90aaee8c6818767eabf44e757fa5518217611d7c7

  • SHA512

    16976157ddc43b02cb1d0fc1d621cdc2d64b27b1f0f7e6620fcafdaf52bd77ecf970e051ad1bcc3cb6fa74f9737c127e1af40ad04d86764931cc3b606bfc5fa0

  • SSDEEP

    24576:LaHUIH+zim0CY8iMklskJzNbpYk6B9DNSLAFi02Kyh6qqRztvjnKPXlof6btJ:LaHUIH+g8iMklfhtGkuDqAMfdh6qqttY

Malware Config

Extracted

Family

remcos

Botnet

FEB 16

C2

austin99.duckdns.org:9373

103.186.117.61:9373

heksaa3030.redirectme.net:9373

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-YHG6AC

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      9c39d381f96fb45ffcb826c90aaee8c6818767eabf44e757fa5518217611d7c7.exe

    • Size

      1.3MB

    • MD5

      8b0f66978d1934eec07b6213c2c8037a

    • SHA1

      a33a467ae0d0ceaefcefaf7a5b6f7670ec1c3062

    • SHA256

      9c39d381f96fb45ffcb826c90aaee8c6818767eabf44e757fa5518217611d7c7

    • SHA512

      16976157ddc43b02cb1d0fc1d621cdc2d64b27b1f0f7e6620fcafdaf52bd77ecf970e051ad1bcc3cb6fa74f9737c127e1af40ad04d86764931cc3b606bfc5fa0

    • SSDEEP

      24576:LaHUIH+zim0CY8iMklskJzNbpYk6B9DNSLAFi02Kyh6qqRztvjnKPXlof6btJ:LaHUIH+g8iMklfhtGkuDqAMfdh6qqttY

    • 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.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks