General

  • Target

    https.doc

  • Size

    22KB

  • Sample

    220803-3sjkwshfhp

  • MD5

    331a971a133b0e72ba100d8435387798

  • SHA1

    c25eecc009f06ce1ef18e296191c658621d73ca2

  • SHA256

    3831a6f6d4143aa3d70563d5938fffb79ef462d28aeb4300797d9e8db3611562

  • SHA512

    c0f8c8f9d00ad6df3a581a7b7d2ba12a4d0ea5e9bef0a411e57a4ac0f90f9bef30076f3438b509e0a15b3a9e95904330e8dc6ec4efd552c59898b7c5bbec9dff

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

mail.mastercoa.co:29770

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-5STUVA

  • 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

      https.doc

    • Size

      22KB

    • MD5

      331a971a133b0e72ba100d8435387798

    • SHA1

      c25eecc009f06ce1ef18e296191c658621d73ca2

    • SHA256

      3831a6f6d4143aa3d70563d5938fffb79ef462d28aeb4300797d9e8db3611562

    • SHA512

      c0f8c8f9d00ad6df3a581a7b7d2ba12a4d0ea5e9bef0a411e57a4ac0f90f9bef30076f3438b509e0a15b3a9e95904330e8dc6ec4efd552c59898b7c5bbec9dff

    Score
    10/10
    • Remcos

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Exploitation for Client Execution

1
T1203

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Tasks