Overview

overview

10

Static

static

1

IEnetworkopening.hta

windows7-x64

10

IEnetworkopening.hta

windows10-2004-x64

10

Sharing

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General

  • Target

    IEnetworkopening.hta

  • Size

    115KB

  • Sample

    240828-j9pcxssgnn

  • MD5

    bb5e68fafbb6252c482af5b689002ead

  • SHA1

    714debd17061508050b6fa9bb38f420b8c9f0de8

  • SHA256

    c823da80b57d5d3f17dcd82ce4f7895212d0c9942772a7fdd48f0f93af912536

  • SHA512

    a1b7d2ba39b9836846da85ac4ab22ddd47d9d7df3ec54c95eaf00d35647d939fd3296bde8bd6ca29c788dd0aab5242d98244058577ff0937028213f61c88cc72

  • SSDEEP

    96:Ea+M7wcrQ1er+1YurUKN8q4TWrTrn1nr88AT:Ea+Qwp131TNf4Ty1oLT

Score
10/10
remcoszynovadefense_evasiondiscoveryexecutionrat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia803104.us.archive.org/27/items/vbs_20240726_20240726/vbs.jpg
exe.dropper

https://ia803104.us.archive.org/27/items/vbs_20240726_20240726/vbs.jpg

Extracted

Family

remcos

Botnet

zynova

C2

cloudsave.duckdns.org:14645

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-CJ3HJ1

  • 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

      IEnetworkopening.hta

    • Size

      115KB

    • MD5

      bb5e68fafbb6252c482af5b689002ead

    • SHA1

      714debd17061508050b6fa9bb38f420b8c9f0de8

    • SHA256

      c823da80b57d5d3f17dcd82ce4f7895212d0c9942772a7fdd48f0f93af912536

    • SHA512

      a1b7d2ba39b9836846da85ac4ab22ddd47d9d7df3ec54c95eaf00d35647d939fd3296bde8bd6ca29c788dd0aab5242d98244058577ff0937028213f61c88cc72

    • SSDEEP

      96:Ea+M7wcrQ1er+1YurUKN8q4TWrTrn1nr88AT:Ea+Qwp131TNf4Ty1oLT

    Score
    10/10
    defense_evasiondiscoveryexecutionremcoszynovarat

    • 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

    • Evasion via Device Credential Deployment

      defense_evasionexecution

    • 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