Overview

overview

10

Static

static

7

1f75782173...88.exe

windows7-x64

7

1f75782173...88.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    989054c5af86019ccfa32642ae628639.bin

  • Size

    758KB

  • Sample

    240821-byzeraxdml

  • MD5

    40425ce36fc2ce5c75cb646656c356df

  • SHA1

    4c27028342a2eb5e572848bd094af8c1ec13486e

  • SHA256

    d40643b29fd2c4bc681b76ba6a2b1a4f34be0a6c5862a7660a119b072f3fa06c

  • SHA512

    622970cee19402ec5556701f3ba83df7c1ad97847e24adde43286a1e83b9fbfbe6359319f4f7465e2ec61f8cf1cc30d323487e52973c3e63f4b268824045a4be

  • SSDEEP

    12288:A+gPiS/fNGV6UxxjL+zU9Rz4AmvvHv6YdF7SGjHphZQtl4yYpqiExEgmCyjYQE84:EzNGV6UxxGzy4Amv/5/u2HGGz3ESBzk

Score
10/10
remcosremotehostdiscoveryratupx

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.175.229.139:8823

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-2BGC0K

  • 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

      1f75782173ef3b1b68650a95b7846bb35faa400d53b52fc1ad8b65a86bc72c88.exe

    • Size

      768KB

    • MD5

      989054c5af86019ccfa32642ae628639

    • SHA1

      5fe55707a4eebd51723ea950aa80d3a49e810207

    • SHA256

      1f75782173ef3b1b68650a95b7846bb35faa400d53b52fc1ad8b65a86bc72c88

    • SHA512

      401e5f2508ddc81d24047cbf707f35c121fcc07c9e2be6f477175ee275e970a52e0aedb905ce0ca026645477d4b89dfb989dc9361302c037d632d67fe3e128d9

    • SSDEEP

      12288:oYV6MorX7qzuC3QHO9FQVHPF51jgcHJqOhTbYQ270cUq+rMxw0GakFQjIE8xQPPK:HBXu9HGaVHH75bYjVM1T4M3aCjpn7

    Score
    10/10
    discoveryupxremcosremotehostrat

    • Remcos

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

      ratremcos

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks