Overview

overview

10

Static

static

3

8038ff6a41...a4.exe

windows7-x64

10

8038ff6a41...a4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8038ff6a41673eb151cdb7f03872c741dc762834c856d70030cd54af744e36a4

  • Size

    537KB

  • Sample

    241112-hraldazqcp

  • MD5

    821cd5ef8d94deeeee5b7cb82379c212

  • SHA1

    977f8407a7033b20b96fec686e918c177160ae92

  • SHA256

    8038ff6a41673eb151cdb7f03872c741dc762834c856d70030cd54af744e36a4

  • SHA512

    0f4f856cf1cc965a5be602503eb3f26cee460c5b2ce709ed2f7672973da801a4cc9bd7a67f9b2ffe7471421b67d44a51c302ff98bd065febbf1d73ebe54a9881

  • SSDEEP

    12288:kEaf/xmwKOsmya7IQVPl55z0AdmSg4MXu3KYPH:kEafZ7HyaEQVFz0AdmSg4ku3KYP

Score
10/10
remcosyavakosadiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Yavakosa

C2

198.23.227.212:32583

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    yavascript.exe

  • copy_folder

    xenor

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-I7G983

  • 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

      8038ff6a41673eb151cdb7f03872c741dc762834c856d70030cd54af744e36a4

    • Size

      537KB

    • MD5

      821cd5ef8d94deeeee5b7cb82379c212

    • SHA1

      977f8407a7033b20b96fec686e918c177160ae92

    • SHA256

      8038ff6a41673eb151cdb7f03872c741dc762834c856d70030cd54af744e36a4

    • SHA512

      0f4f856cf1cc965a5be602503eb3f26cee460c5b2ce709ed2f7672973da801a4cc9bd7a67f9b2ffe7471421b67d44a51c302ff98bd065febbf1d73ebe54a9881

    • SSDEEP

      12288:kEaf/xmwKOsmya7IQVPl55z0AdmSg4MXu3KYPH:kEafZ7HyaEQVFz0AdmSg4ku3KYP

    Score
    10/10
    remcosyavakosadiscoverypersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks