Overview

overview

10

Static

static

3

2025-01-06...er.exe

windows7-x64

10

2025-01-06...er.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber

  • Size

    16.0MB

  • Sample

    250106-a5sp4ssqfq

  • MD5

    3b093fbed48d397d5d8507622761fbb5

  • SHA1

    3f42b90c9c11524da602bae885f258fe1f369688

  • SHA256

    40ef3d4ddd30060c71b73b2f2ef10275459e6d695d4299a47e97a659b8a6e6a6

  • SHA512

    f2d34d36a56dc8e023c38b565d7e97b07f56fc4f51bb516c70c37123b8086445235adf41f470ec89b40a012f399cc3bf9786b0ef2048dd9b263e215fd678d24d

  • SSDEEP

    393216:Mp8aa/p8aa5p8aaDp8aa9p8aaXp8aahp8aa:Axahxazxadxa/xa5xabxa

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

      2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber

    • Size

      16.0MB

    • MD5

      3b093fbed48d397d5d8507622761fbb5

    • SHA1

      3f42b90c9c11524da602bae885f258fe1f369688

    • SHA256

      40ef3d4ddd30060c71b73b2f2ef10275459e6d695d4299a47e97a659b8a6e6a6

    • SHA512

      f2d34d36a56dc8e023c38b565d7e97b07f56fc4f51bb516c70c37123b8086445235adf41f470ec89b40a012f399cc3bf9786b0ef2048dd9b263e215fd678d24d

    • SSDEEP

      393216:Mp8aa/p8aa5p8aaDp8aa9p8aaXp8aahp8aa:Axahxazxadxa/xa5xabxa

    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