General

  • Target

    na.hta

  • Size

    163KB

  • Sample

    241014-lkbrmsxgkm

  • MD5

    52bb72daa6c16c09d4298bd59e12b7d9

  • SHA1

    2e4aef7df584acaadb5a6e555d6e2f40ae12b6f1

  • SHA256

    8fbf6165b0751a47bf9842011e82c4a7715cc879fd7272b45ab549df6e813e46

  • SHA512

    1a6a1c54ceed1d004e32504bb473d2525dcff1974d8618af871252e4da7f3992ca87acc935a74f78cd6c14f172142ccfeee9bcb47104ea50a704fe37750d4ee4

  • SSDEEP

    48:7oa+awjz7eWLB23EfAq6kfAKV6/HQ2UBW1++izpyHBfHLPy3JofufAYfAkhjQ/od:Ea+n7QbzVsdi9yOPtksVKLSAT

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/CryptersAndToolsOficial/ZIP/refs/heads/main/DetahNote_V.jpg%20

exe.dropper

https://raw.githubusercontent.com/CryptersAndToolsOficial/ZIP/refs/heads/main/DetahNote_V.jpg%20

Extracted

Family

remcos

Botnet

RemoteHost

C2

idabo.duckdns.org:6875

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-I89M3S

  • 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

      na.hta

    • Size

      163KB

    • MD5

      52bb72daa6c16c09d4298bd59e12b7d9

    • SHA1

      2e4aef7df584acaadb5a6e555d6e2f40ae12b6f1

    • SHA256

      8fbf6165b0751a47bf9842011e82c4a7715cc879fd7272b45ab549df6e813e46

    • SHA512

      1a6a1c54ceed1d004e32504bb473d2525dcff1974d8618af871252e4da7f3992ca87acc935a74f78cd6c14f172142ccfeee9bcb47104ea50a704fe37750d4ee4

    • SSDEEP

      48:7oa+awjz7eWLB23EfAq6kfAKV6/HQ2UBW1++izpyHBfHLPy3JofufAYfAkhjQ/od:Ea+n7QbzVsdi9yOPtksVKLSAT

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks