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

    2.8MB

  • Sample

    240826-fj5ensxfjr

  • MD5

    9f31e7ec269ef7f755b7bd75e0579b18

  • SHA1

    bdfa3e314195f23437a420782b4912e60a685a96

  • SHA256

    4ab223a4ed0eaced6dc3a2cc74953a453770bb030336f349cd37f2ef24b65c30

  • SHA512

    9aec4444247c4f4b8c0a0203dec53abc3fe64de2c2e86de79e57ecd003920d2ffacef90c09afcfdb51e61df98dcc3423feeaa97eade1a6e6854adc8ff10e8b3c

  • SSDEEP

    192:8rkrkrErErErErErkrkrErErErErErkrkrErErErErErkrkrErErErErErkrkrE1:2WPE09IvR4

Score
10/10
remcosmatrix fenix*discoveryexecutionrat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://pastebin.com/raw/V9y5Q5vv

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

      2.8MB

    • MD5

      9f31e7ec269ef7f755b7bd75e0579b18

    • SHA1

      bdfa3e314195f23437a420782b4912e60a685a96

    • SHA256

      4ab223a4ed0eaced6dc3a2cc74953a453770bb030336f349cd37f2ef24b65c30

    • SHA512

      9aec4444247c4f4b8c0a0203dec53abc3fe64de2c2e86de79e57ecd003920d2ffacef90c09afcfdb51e61df98dcc3423feeaa97eade1a6e6854adc8ff10e8b3c

    • SSDEEP

      192:8rkrkrErErErErErkrkrErErErErErkrkrErErErErErkrkrErErErErErkrkrE1:2WPE09IvR4

    Score
    10/10
    executionremcosmatrix fenix*discoveryrat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks