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General

  • Target

    verynicepersonupdation.hta

  • Size

    117KB

  • Sample

    241008-tmpqaaxhkg

  • MD5

    86e57a2c2b7b09f3f66d1c66a77238a7

  • SHA1

    a4eb71e37e57d39e6612ae14078d8b1ade636780

  • SHA256

    551e991e0c83468b3df91d9882be8d99a3c6152796e425748672d8ade2ffcef2

  • SHA512

    ff53a59b556ba5cf2f6ba130cc6b3582d45c64512ca43e19c22c4be168827129624c1cb4b2bf40f1b178752c8b6e962c67d9c278ed28e4f23fecd8ab97f9077a

  • SSDEEP

    96:Ea+M7j2DTSqjoDDTSYHYYamplWIxB7DTS1e2cAT:Ea+QPqV7jT

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia600102.us.archive.org/32/items/detah-note-v_202410/DetahNote_V.jpg%20

exe.dropper

https://ia600102.us.archive.org/32/items/detah-note-v_202410/DetahNote_V.jpg%20

Extracted

Family

remcos

Botnet

RemoteHost

C2

ugnrv.duckdns.org:9674

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-0BYJUE

  • 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

      verynicepersonupdation.hta

    • Size

      117KB

    • MD5

      86e57a2c2b7b09f3f66d1c66a77238a7

    • SHA1

      a4eb71e37e57d39e6612ae14078d8b1ade636780

    • SHA256

      551e991e0c83468b3df91d9882be8d99a3c6152796e425748672d8ade2ffcef2

    • SHA512

      ff53a59b556ba5cf2f6ba130cc6b3582d45c64512ca43e19c22c4be168827129624c1cb4b2bf40f1b178752c8b6e962c67d9c278ed28e4f23fecd8ab97f9077a

    • SSDEEP

      96:Ea+M7j2DTSqjoDDTSYHYYamplWIxB7DTS1e2cAT:Ea+QPqV7jT

    • Remcos

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

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Evasion via Device Credential Deployment

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks