General

  • Target

    1df95f4dbb72b907ce0d8c8e40b439d1ec69bdea6f524bca37bd8c4c525d8de6

  • Size

    22KB

  • Sample

    241122-cg4htasjdy

  • MD5

    26c0be5d333e074909fa9fdd95089e4e

  • SHA1

    c69fdb45e301d133fa65ef928225627d8172ae88

  • SHA256

    1df95f4dbb72b907ce0d8c8e40b439d1ec69bdea6f524bca37bd8c4c525d8de6

  • SHA512

    9b91eea75d9450242c550854c19a3610d296171cd7d4128414845131576f06c8bbb9961b75ec4710aa868451b90be1fda95f1c9edc556b246170e12bd10dea4a

  • SSDEEP

    384:Q7JdvZl40WmQ55mzwQQB1FmK9bKVh/mUE+0q34pI3gHkSelsA:alZWRmA5mA2KN8hJE+03mgHQF

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.17.14:2404

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

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-KC5V8F

  • 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

      Wage_Increase_Letter_Nov'24.vbs

    • Size

      38KB

    • MD5

      e221e50773f32bab23fcf3d130c68481

    • SHA1

      350bd0a28a1cbffb8a9e4f9075cec81895798a80

    • SHA256

      602003e98421ce67063784195fd50caa107f895549f55efc60bf569e605f61f2

    • SHA512

      6c846e5b6a6c835511cfb7823516163ba9f1056e7ac2159e73a059b29bfc75b102c43f8779330a220fbffcaf0708e5c47aa6a5947beb983d1fa954fbe337de3e

    • SSDEEP

      768:IZLtB89wlVgpDAus1yZUR/eGR4/3yLohsVgIij/+gHxWseNAeonfre7st2r:IZJB8rDds1yGRm+4/kLiD+goRNAnXtu

    • Remcos

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

    • Remcos family

    • 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

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks