Overview

overview

10

Static

static

5

83fd4f6c8c...44.exe

windows7-x64

10

83fd4f6c8c...44.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    83fd4f6c8ca4ae094ea629eda985b11e495aa8f6c8421970ef8573a50808e344.exe

  • Size

    1.6MB

  • Sample

    241009-ccskrawana

  • MD5

    2e58a14f3a8d78298aee99cb4ea39adc

  • SHA1

    90c96e8671f739a0a20daaafab1567d3c457a612

  • SHA256

    83fd4f6c8ca4ae094ea629eda985b11e495aa8f6c8421970ef8573a50808e344

  • SHA512

    71f115edb7c4013458f957473aa943a910d509f2a94b0ab6e57e84d13e458c17571702830a3eb7cf9e784e52ff1c986e35088a7ce7ab094c48f818d2a7fa6a5d

  • SSDEEP

    24576:ffmMv6Ckr7Mny5QLH0yTfIXPlFb2wjVkwAE9owb7uVJnIJYKR3prW4BoPEK8X3PR:f3v+7/5QLVYdkQ99b7ujIJjixkyKi87

Score
10/10
remcosremotehostcollectiondiscoveryrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.projectusf.com:2404

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

    gfh

  • mouse_option

    false

  • mutex

    Rmc-J91LMC

  • 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

      83fd4f6c8ca4ae094ea629eda985b11e495aa8f6c8421970ef8573a50808e344.exe

    • Size

      1.6MB

    • MD5

      2e58a14f3a8d78298aee99cb4ea39adc

    • SHA1

      90c96e8671f739a0a20daaafab1567d3c457a612

    • SHA256

      83fd4f6c8ca4ae094ea629eda985b11e495aa8f6c8421970ef8573a50808e344

    • SHA512

      71f115edb7c4013458f957473aa943a910d509f2a94b0ab6e57e84d13e458c17571702830a3eb7cf9e784e52ff1c986e35088a7ce7ab094c48f818d2a7fa6a5d

    • SSDEEP

      24576:ffmMv6Ckr7Mny5QLH0yTfIXPlFb2wjVkwAE9owb7uVJnIJYKR3prW4BoPEK8X3PR:f3v+7/5QLVYdkQ99b7ujIJjixkyKi87

    Score
    10/10
    remcosremotehostcollectiondiscoveryrat

    • Remcos

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

      ratremcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

      collection

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks