General

  • Target

    newthingtobeonlinefor.hta

  • Size

    117KB

  • Sample

    241008-l8rg1a1ank

  • MD5

    02db2924d9d28415909466fd83d98bfb

  • SHA1

    131f37687d5f92227dbf8db85537d8d588ba4c67

  • SHA256

    63460bd959db60a47de9dfbc64c58abd983af187b29d7732987928c56a83a2e1

  • SHA512

    7b7bec8c6f697b048d87e2af22e704caf7a2c05fdb1331e99d13d5baf0f5c625cf574d16c596d2dbb000b829bdb752437801c8bb833ed7e62dd1ae3f4c14d9f5

  • SSDEEP

    96:Ea+M7+XoPsV9oPpF/4Ow5qouNREOX8MlV5BYoPItl8AT:Ea+Q+XoPsPoPX/4J54E3cqoPi9T

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

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

      newthingtobeonlinefor.hta

    • Size

      117KB

    • MD5

      02db2924d9d28415909466fd83d98bfb

    • SHA1

      131f37687d5f92227dbf8db85537d8d588ba4c67

    • SHA256

      63460bd959db60a47de9dfbc64c58abd983af187b29d7732987928c56a83a2e1

    • SHA512

      7b7bec8c6f697b048d87e2af22e704caf7a2c05fdb1331e99d13d5baf0f5c625cf574d16c596d2dbb000b829bdb752437801c8bb833ed7e62dd1ae3f4c14d9f5

    • SSDEEP

      96:Ea+M7+XoPsV9oPpF/4Ow5qouNREOX8MlV5BYoPItl8AT:Ea+Q+XoPsPoPX/4J54E3cqoPi9T

    • 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