Overview

overview

10

Static

static

3

bc5291ee0d...ad.exe

windows7-x64

10

bc5291ee0d...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bc5291ee0d10c3c162be7663068790322127c781d1ed8789a847c140dd0075ad

  • Size

    436KB

  • Sample

    241006-ygys8awgmc

  • MD5

    347bc8ce26d1a2f12714c11f3dacdd86

  • SHA1

    b9bf9b6161ab9a59f733c6b258a5e0977ea96f72

  • SHA256

    bc5291ee0d10c3c162be7663068790322127c781d1ed8789a847c140dd0075ad

  • SHA512

    76b9ed3e398f64948643e127a8f8f9c654777995ff90cbcc58ab69c7134cf53c6c63861cd79aa5ed3eea077a1f0de6a9877708e8461cd243a3334432dcf53254

  • SSDEEP

    12288:CtmEp/dzYtn6c1Ts8ovJlgC2PNBxqe8Ke3:QdzYd6c1TAvfgxxt8N

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

    yava_vd.exe

  • copy_folder

    yava

  • 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-D7NPY6

  • 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

      bc5291ee0d10c3c162be7663068790322127c781d1ed8789a847c140dd0075ad

    • Size

      436KB

    • MD5

      347bc8ce26d1a2f12714c11f3dacdd86

    • SHA1

      b9bf9b6161ab9a59f733c6b258a5e0977ea96f72

    • SHA256

      bc5291ee0d10c3c162be7663068790322127c781d1ed8789a847c140dd0075ad

    • SHA512

      76b9ed3e398f64948643e127a8f8f9c654777995ff90cbcc58ab69c7134cf53c6c63861cd79aa5ed3eea077a1f0de6a9877708e8461cd243a3334432dcf53254

    • SSDEEP

      12288:CtmEp/dzYtn6c1Ts8ovJlgC2PNBxqe8Ke3:QdzYd6c1TAvfgxxt8N

    Score
    10/10
    remcosyavakosadiscoverypersistencerat

    • Remcos

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

      ratremcos

    • 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