Overview

overview

10

Static

static

3

2025-02-23...er.exe

windows7-x64

10

2025-02-23...er.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer

  • Size

    3.8MB

  • Sample

    250223-25zbfawrfx

  • MD5

    313ffe2d1d737e2f1deec4ade563f405

  • SHA1

    fd4551f22f9592bf38bfaeeeb2bdc5b00afa82ff

  • SHA256

    828f73827b587c784fad02d7bc4fdd7466845e028eba5c1fcb17d46a44a8acd7

  • SHA512

    30a7da20ac18cae07d95e0e0742db40eb70bba85de13e5515f0dc496d1c507e0d875502fa0edd31f5bcccd2a085d70f9aba43ac102c236deee1bfbd81fd3a5d9

  • SSDEEP

    98304:p3h6d68gwIteZNiiPwVpaOU/jIEeQfoR/IuOFVjUu5c:pR668aaELeFIF0wuS

Score
10/10
remcosxredabillion+nairabackdoordiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

remcos

Botnet

ABILLION+NAIRA

C2

nzobaku.ddns.net:8081

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-S0L1LJ

  • 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

      2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer

    • Size

      3.8MB

    • MD5

      313ffe2d1d737e2f1deec4ade563f405

    • SHA1

      fd4551f22f9592bf38bfaeeeb2bdc5b00afa82ff

    • SHA256

      828f73827b587c784fad02d7bc4fdd7466845e028eba5c1fcb17d46a44a8acd7

    • SHA512

      30a7da20ac18cae07d95e0e0742db40eb70bba85de13e5515f0dc496d1c507e0d875502fa0edd31f5bcccd2a085d70f9aba43ac102c236deee1bfbd81fd3a5d9

    • SSDEEP

      98304:p3h6d68gwIteZNiiPwVpaOU/jIEeQfoR/IuOFVjUu5c:pR668aaELeFIF0wuS

    Score
    10/10
    remcosxredabillion+nairabackdoordiscoveryexecutionpersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Xred

      Xred is backdoor written in Delphi.

      backdoorxred

    • Xred family

      xred

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks