Overview

overview

10

Static

static

1

ef03c2c916...33.exe

windows7-x64

10

ef03c2c916...33.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef03c2c9163eb0807e9fc8dee88f94990d10cbc3e58c1a49b58ebaf7230b6833.zip

  • Size

    1.0MB

  • Sample

    230308-ngzqeafd8t

  • MD5

    94c0a51d1ecf2f5d97a1f84e69c93054

  • SHA1

    78b9e577288fee7b6b73a8aa81b105aa6ec1fd52

  • SHA256

    c2cfbb01934c0770eed391639e881a63fd33059631144c45095addb2a422ecd7

  • SHA512

    8a609f132649a8bcc0a3b098092407b5194a4661516731908f07ac2cd86a63f253ff4253c9cc3e95caf187d5a13d00351c5b509ce80131765125fb344f2b8b47

  • SSDEEP

    24576:tc3+2+v6hwAz6fWe44gonClCYb3i6uujm3OhUBEp:W3lYFAz6f0JonKj9WOdp

Score
10/10
remcosmrkaycollectionpersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

MRKAY

C2

forwarding2023.ddns.net:18114

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-TO43B3

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      ef03c2c9163eb0807e9fc8dee88f94990d10cbc3e58c1a49b58ebaf7230b6833.exe

    • Size

      2.2MB

    • MD5

      4866f5b9ded12cd58c7153ba0d54cc3c

    • SHA1

      e5f0b357a9d5ae3fd9e3bd95bede801e50380678

    • SHA256

      ef03c2c9163eb0807e9fc8dee88f94990d10cbc3e58c1a49b58ebaf7230b6833

    • SHA512

      ca977ae1be5e6cbea4efb30f0eff32c72d69c317d0915d755f2ec2537e77c360579711292f7d75c6db4101e3d7ff347af0b126f677009db2cf1f8c834e6a696f

    • SSDEEP

      24576:bmUI1F+amdINXnwLvuvlO7F/g4Jpcbp/Ufb9pV432Qmj1tq:akamdIFwr0Q5/0s9peS

    Score
    10/10
    remcosmrkaycollectionpersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks