General

  • Target

    2024-12-16_b735cbba7967f4a2272c7eae86f60cfc_formbook_luca-stealer_magniber

  • Size

    19.4MB

  • Sample

    241216-zhbwhs1jfq

  • MD5

    b735cbba7967f4a2272c7eae86f60cfc

  • SHA1

    79dba983b8e28d976d8d263c5114e134d1d9d9e3

  • SHA256

    a08da13ae86cffb5eea91b875e36eda9fc3f8ce853a1f5c9ef13f4737da35630

  • SHA512

    c96a3f136ad4e777ab0132944fa741d06ce11a7c1ff1223be19a575fef0f169e090a98e4941049819001b3858b3fc0404dc3c094f5a5e28d4d69a425dcb2bab2

  • SSDEEP

    393216:Op8aa1p8aaHp8aa+p8aaMp8aaGp8aaQp8aaqp8aa0p8aaSp8aa4:Kxa3xaJxaaxaAxaixa8xa+xaoxamxa4

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

      2024-12-16_b735cbba7967f4a2272c7eae86f60cfc_formbook_luca-stealer_magniber

    • Size

      19.4MB

    • MD5

      b735cbba7967f4a2272c7eae86f60cfc

    • SHA1

      79dba983b8e28d976d8d263c5114e134d1d9d9e3

    • SHA256

      a08da13ae86cffb5eea91b875e36eda9fc3f8ce853a1f5c9ef13f4737da35630

    • SHA512

      c96a3f136ad4e777ab0132944fa741d06ce11a7c1ff1223be19a575fef0f169e090a98e4941049819001b3858b3fc0404dc3c094f5a5e28d4d69a425dcb2bab2

    • SSDEEP

      393216:Op8aa1p8aaHp8aa+p8aaMp8aaGp8aaQp8aaqp8aa0p8aaSp8aa4:Kxa3xaJxaaxaAxaixa8xa+xaoxamxa4

    • Remcos

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

    • Remcos family

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Command and Scripting Interpreter: PowerShell

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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks