Overview

overview

10

Static

static

3

2025-01-01...er.exe

windows7-x64

10

2025-01-01...er.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_formbook_luca-stealer_magniber

  • Size

    14.4MB

  • Sample

    250101-xqvbqaynbs

  • MD5

    3bfb1de40b93d74b5641783224ebe3f8

  • SHA1

    f6c97b8a5565c6fa7f1345ce1c50f91ed70072c0

  • SHA256

    e3f866226c131e7ec52fa9e00c63b735e0aefcdd2cfb6f379347a6189e097e6f

  • SHA512

    b6fccadbbd8fd7f4310cfac192239e6e71347d15481be0b568b3d0f030cf69c77aaa9c14f457a78b4725ca73ae352bf5cf8824e973c309759ebaf9cbde7f4e13

  • SSDEEP

    196608:/R668aaELoR668aaELaR668aaELsR668aaELuR668aaELwR668aaELVFKzYN:/p8aa5p8aaDp8aa9p8aaXp8aahp8aa

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

      2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_formbook_luca-stealer_magniber

    • Size

      14.4MB

    • MD5

      3bfb1de40b93d74b5641783224ebe3f8

    • SHA1

      f6c97b8a5565c6fa7f1345ce1c50f91ed70072c0

    • SHA256

      e3f866226c131e7ec52fa9e00c63b735e0aefcdd2cfb6f379347a6189e097e6f

    • SHA512

      b6fccadbbd8fd7f4310cfac192239e6e71347d15481be0b568b3d0f030cf69c77aaa9c14f457a78b4725ca73ae352bf5cf8824e973c309759ebaf9cbde7f4e13

    • SSDEEP

      196608:/R668aaELoR668aaELaR668aaELsR668aaELuR668aaELwR668aaELVFKzYN:/p8aa5p8aaDp8aa9p8aaXp8aahp8aa

    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