Overview

overview

10

Static

static

1

sostener.vbs

windows7-x64

10

sostener.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    sostener.vbs

  • Size

    503KB

  • Sample

    240923-g5gfeaxgjb

  • MD5

    5d616b1f098785c46701bf12ee40244b

  • SHA1

    21c4bfda03dc3fbaa452769a05f80d0390c8b0bb

  • SHA256

    fa6ef44602cd8b93885484c8408e6155d1747acfa361857cce7fbf8601ab689f

  • SHA512

    25973fbcbfc8b06b0811aea729c3c5429d9fa06a4c60a445cdbfef19d61fb52c8dfe09765291e238ec5b827015777982374b68c6bcfbe8c26e876d416299eac1

  • SSDEEP

    12288:1H+cpW8xL9zJrxSWoixru+AMKzy3ggdiLkq3ahosUAwnJiWSXPJVpBPPwliMd:g03EKa+zKwdPf5S

Score
10/10
remcosmatrix fenix*discoveryexecutionrat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt
exe.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

Extracted

Family

remcos

Botnet

Matrix Fenix*

C2

newssssssssssssss.duckdns.org:2404

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

    registros.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-XDNGQ0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Capturas de pantalla

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      sostener.vbs

    • Size

      503KB

    • MD5

      5d616b1f098785c46701bf12ee40244b

    • SHA1

      21c4bfda03dc3fbaa452769a05f80d0390c8b0bb

    • SHA256

      fa6ef44602cd8b93885484c8408e6155d1747acfa361857cce7fbf8601ab689f

    • SHA512

      25973fbcbfc8b06b0811aea729c3c5429d9fa06a4c60a445cdbfef19d61fb52c8dfe09765291e238ec5b827015777982374b68c6bcfbe8c26e876d416299eac1

    • SSDEEP

      12288:1H+cpW8xL9zJrxSWoixru+AMKzy3ggdiLkq3ahosUAwnJiWSXPJVpBPPwliMd:g03EKa+zKwdPf5S

    Score
    10/10
    executionremcosmatrix fenix*discoveryrat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks