General

  • Target

    c2.hta

  • Size

    78KB

  • Sample

    250107-f2j7fsxrfk

  • MD5

    5c4995910d7c98dad7366a0519fe4558

  • SHA1

    c9ed46e4dcc3e24e484b16d2896e5b2c15595ad5

  • SHA256

    2ca1167b2c7a42f82c22c1349ce52569820fb0416463e60262b5481ac4926e0a

  • SHA512

    51bf112ce906df871e68620e0af8bd43cecd72a296054c0fdd6f3f07250668d33277f66725631ef68f8ba8d1304cbbccd6284a9d73323ef1ae19f977c9c208e6

  • SSDEEP

    768:O0cJbc1rmDYpxPJOT90Qg9iJrCufW0UYckMCRcZmy2U072dtxZ:f6bctm8D4T9FhWVRUUtf

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

me-work.com:7009

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-3QMI88

  • 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

      c2.hta

    • Size

      78KB

    • MD5

      5c4995910d7c98dad7366a0519fe4558

    • SHA1

      c9ed46e4dcc3e24e484b16d2896e5b2c15595ad5

    • SHA256

      2ca1167b2c7a42f82c22c1349ce52569820fb0416463e60262b5481ac4926e0a

    • SHA512

      51bf112ce906df871e68620e0af8bd43cecd72a296054c0fdd6f3f07250668d33277f66725631ef68f8ba8d1304cbbccd6284a9d73323ef1ae19f977c9c208e6

    • SSDEEP

      768:O0cJbc1rmDYpxPJOT90Qg9iJrCufW0UYckMCRcZmy2U072dtxZ:f6bctm8D4T9FhWVRUUtf

    • Remcos

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

    • Remcos family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks