Overview

overview

10

Static

static

1

HSBC Bank_...DF.exe

windows7-x64

10

HSBC Bank_...DF.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    HSBC Bank_MT 103 Payment_ Transfer Copy_PDF.exe
  • Size 399KB
  • Sample230508-kdkwashf77
  • SHA256 58fd0463cf7793ad6cbd0cd048369e70f01051c943a8655b97358065f4e2b0fb
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
guloaderremcosremotehostdiscoverydownloaderpersistencerat

Malware Config

Extracted

Family

  • remcos

Botnet

  • RemoteHost

C2

  • 146.70.158.105:9674

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-UM9GKS

  • 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
      HSBC Bank_MT 103 Payment_ Transfer Copy_PDF.exe
    • Size 399KB
    • SHA256 58fd0463cf7793ad6cbd0cd048369e70f01051c943a8655b97358065f4e2b0fb
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    guloaderremcosremotehostdiscoverydownloaderpersistencerat

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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