Overview

overview

10

Static

static

3

2025-01-03...er.exe

windows7-x64

10

2025-01-03...er.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-01-03_59a72390bf482d5a6be312c88d0ecb10_formbook_luca-stealer_magniber

  • Size

    17.6MB

  • Sample

    250103-xxb4qaynfw

  • MD5

    59a72390bf482d5a6be312c88d0ecb10

  • SHA1

    690418136c19a8302b32228dda57b72f9c1275d5

  • SHA256

    3281b12ed34c5edf6599fc2719e8ef4b90c9dd2aa07797c1ec830b86ba3a6eb9

  • SHA512

    65ab9ff9089c3a83b9f8201bf8e4a77dbf27f615008da0fe2d2465c8d9339833776d44b5fb5a614c21ae96fd89c23cb5c18070c6bab396a6b95fc01e49fc2f95

  • SSDEEP

    393216:7p8aamp8aa/p8aa5p8aaDp8aa9p8aaXp8aahp8aa:VxaCxahxazxadxa/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

      2025-01-03_59a72390bf482d5a6be312c88d0ecb10_formbook_luca-stealer_magniber

    • Size

      17.6MB

    • MD5

      59a72390bf482d5a6be312c88d0ecb10

    • SHA1

      690418136c19a8302b32228dda57b72f9c1275d5

    • SHA256

      3281b12ed34c5edf6599fc2719e8ef4b90c9dd2aa07797c1ec830b86ba3a6eb9

    • SHA512

      65ab9ff9089c3a83b9f8201bf8e4a77dbf27f615008da0fe2d2465c8d9339833776d44b5fb5a614c21ae96fd89c23cb5c18070c6bab396a6b95fc01e49fc2f95

    • SSDEEP

      393216:7p8aamp8aa/p8aa5p8aaDp8aa9p8aaXp8aahp8aa:VxaCxahxazxadxa/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