General

  • Target

    aea9253a5f1a4e0f59325f84c015b3980a1573e1873643fce09e084a76e0047b.hta

  • Size

    207KB

  • Sample

    241114-dfptpsxkfr

  • MD5

    c68d7836e2c6c8a7a4a633990cae450a

  • SHA1

    5539d4f53c0606ce688636221c440b4b53c23ed6

  • SHA256

    aea9253a5f1a4e0f59325f84c015b3980a1573e1873643fce09e084a76e0047b

  • SHA512

    3b8b93c533a300b96df1c6c487cdead1ab42e859ffe5f8c1aa56236fcad9c553d79c46fd5cc6ee9a32523dec9c6e701d20961616646ba61e3c2239e415c875d0

  • SSDEEP

    96:43F97gqxE+VV7TEFVVHGRQKjfJIPEKswcE0EBeEVVjEKQ:43F15xTV7TwVHGRJjkhclBSVjvQ

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Extracted

Family

remcos

Botnet

RemoteHost

C2

shlobo.duckdns.org:6946

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-MTESOL

  • 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

      aea9253a5f1a4e0f59325f84c015b3980a1573e1873643fce09e084a76e0047b.hta

    • Size

      207KB

    • MD5

      c68d7836e2c6c8a7a4a633990cae450a

    • SHA1

      5539d4f53c0606ce688636221c440b4b53c23ed6

    • SHA256

      aea9253a5f1a4e0f59325f84c015b3980a1573e1873643fce09e084a76e0047b

    • SHA512

      3b8b93c533a300b96df1c6c487cdead1ab42e859ffe5f8c1aa56236fcad9c553d79c46fd5cc6ee9a32523dec9c6e701d20961616646ba61e3c2239e415c875d0

    • SSDEEP

      96:43F97gqxE+VV7TEFVVHGRQKjfJIPEKswcE0EBeEVVjEKQ:43F15xTV7TwVHGRJjkhclBSVjvQ

    • Remcos

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

    • Remcos family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Evasion via Device Credential Deployment

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks