Overview

overview

10

Static

static

3

ed1416c90a...b4.exe

windows7-x64

10

ed1416c90a...b4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ed1416c90a49177106cbea5b7551756e06fee46d77fde4879b8735ec56dd54b4.exe

  • Size

    448KB

  • Sample

    250111-gjw9qsxlcz

  • MD5

    73666f4d35944f20b34c150b8d9df538

  • SHA1

    8548d775b3475704dfe36e30d3bf115d8964330c

  • SHA256

    ed1416c90a49177106cbea5b7551756e06fee46d77fde4879b8735ec56dd54b4

  • SHA512

    c39ffd67e6418b5fbdc8ae595bc041c3b250e38f7d6ccb132104d592a3fd8cfa7a301dd4531e16ddb48d367977637a8d004dc2712416744ec5cc9e5e24b22433

  • SSDEEP

    12288:yg3o/PnH46JeFGv6m6cCRk6qdg52Kcaj:ytv4HsimURudg53

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

      ed1416c90a49177106cbea5b7551756e06fee46d77fde4879b8735ec56dd54b4.exe

    • Size

      448KB

    • MD5

      73666f4d35944f20b34c150b8d9df538

    • SHA1

      8548d775b3475704dfe36e30d3bf115d8964330c

    • SHA256

      ed1416c90a49177106cbea5b7551756e06fee46d77fde4879b8735ec56dd54b4

    • SHA512

      c39ffd67e6418b5fbdc8ae595bc041c3b250e38f7d6ccb132104d592a3fd8cfa7a301dd4531e16ddb48d367977637a8d004dc2712416744ec5cc9e5e24b22433

    • SSDEEP

      12288:yg3o/PnH46JeFGv6m6cCRk6qdg52Kcaj:ytv4HsimURudg53

    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