Overview

overview

10

Static

static

1

RFQ DOC002...11.exe

windows7-x64

10

RFQ DOC002...11.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    RFQ DOC0029928938211.exe

  • Size

    489KB

  • Sample

    230511-janmcaeb81

  • MD5

    5d02e9834d5a3a6465aa8fa7f6b51490

  • SHA1

    fa94cfebae5c55a70c175e6f26641d7561d727e5

  • SHA256

    82135f6f510ef27ec3e78249e0d2bf276a8890385b47e65391756b7f254c487b

  • SHA512

    db664595696c4ed8585b3b35e5bd6dc01b90b11c84054fd38e2e6604ad685ff30f29f26e66aa697d7f41fd3853948e2820c5655951b2e087a331bcb5a03e33e2

  • SSDEEP

    12288:Wzd8UZp23enmUF0NAGvsmEhzkCDlFMddoudBYM4:WRBZpkmF7GEXJkqlFo7d4

Score
10/10
guloaderremcosremotehostcollectiondiscoverydownloaderratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

155.94.185.15:2404

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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-FUG8H1

  • 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

      RFQ DOC0029928938211.exe

    • Size

      489KB

    • MD5

      5d02e9834d5a3a6465aa8fa7f6b51490

    • SHA1

      fa94cfebae5c55a70c175e6f26641d7561d727e5

    • SHA256

      82135f6f510ef27ec3e78249e0d2bf276a8890385b47e65391756b7f254c487b

    • SHA512

      db664595696c4ed8585b3b35e5bd6dc01b90b11c84054fd38e2e6604ad685ff30f29f26e66aa697d7f41fd3853948e2820c5655951b2e087a331bcb5a03e33e2

    • SSDEEP

      12288:Wzd8UZp23enmUF0NAGvsmEhzkCDlFMddoudBYM4:WRBZpkmF7GEXJkqlFo7d4

    Score
    10/10
    guloaderremcosremotehostcollectiondiscoverydownloaderratspywarestealer

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • 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 QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks