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Overview

overview

10

Static

static

3

55e6b37884...3N.exe

windows7-x64

8

55e6b37884...3N.exe

windows10-2004-x64

10

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General

  • Target

    55e6b37884aefead44fa7aef72a71797e3eb0f1070815bbf3c6a46e5e8fd2903N.exe

  • Size

    6.5MB

  • Sample

    241127-kkbafasqal

  • MD5

    68dd83d9287f59924c7fa3beb7ed02d0

  • SHA1

    e20cd6b358f8ae07ca51568db3a18a7a527fcccb

  • SHA256

    55e6b37884aefead44fa7aef72a71797e3eb0f1070815bbf3c6a46e5e8fd2903

  • SHA512

    c962de504308ed0de7cc4f5964abe7618e96d4ccd87402bc2e86b5903a47562af1e5952e8eac4dc8e0b0ed4a5dd26082ac724e5928e860acbdd1d01ccf9e2f3f

  • SSDEEP

    196608:zR668aaELtR668aaELPR668aaELZR668aaEL:zp8aawp8aayp8aa8p8aa

Score
10/10
remcosxredbackdoordiscoveryexecutionpersistencerat

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

Targets

    • Target

      55e6b37884aefead44fa7aef72a71797e3eb0f1070815bbf3c6a46e5e8fd2903N.exe

    • Size

      6.5MB

    • MD5

      68dd83d9287f59924c7fa3beb7ed02d0

    • SHA1

      e20cd6b358f8ae07ca51568db3a18a7a527fcccb

    • SHA256

      55e6b37884aefead44fa7aef72a71797e3eb0f1070815bbf3c6a46e5e8fd2903

    • SHA512

      c962de504308ed0de7cc4f5964abe7618e96d4ccd87402bc2e86b5903a47562af1e5952e8eac4dc8e0b0ed4a5dd26082ac724e5928e860acbdd1d01ccf9e2f3f

    • SSDEEP

      196608:zR668aaELtR668aaELPR668aaELZR668aaEL:zp8aawp8aayp8aa8p8aa

    Score
    10/10
    discoveryexecutionremcosxredbackdoorpersistencerat

    • 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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks