General

  • Target

    Company Profile and new order-202401127.scr.exe

  • Size

    779KB

  • Sample

    241204-f9z8mszjgn

  • MD5

    935bdb714d2c6a118e9c6bfd941084b8

  • SHA1

    817f3f195d61d459fbbdac24e5a4f014d927edcf

  • SHA256

    c69b2064c89c254dbeda8f204b3a60ab753816ddff618be9d593cb9839cfe09d

  • SHA512

    6915674b2cf0bbc300f18dc26fd983bb69d5ddf8ec7d00831915ae6d5602d0b770d5e785ab8b0d33b9e0c353773e2777273ff6e8383d7332a54fe2440976ede4

  • SSDEEP

    12288:XXa6zw6GW2F+5XizizdI+9kUWM6vQWO0v1wb1EVLz56TE/n0koAHf9qo05bWYpD/:XXal655XEIimkUd0dPpL04/9X05bj

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.29.10.213:63650

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-NJ8CFR

  • 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

      Company Profile and new order-202401127.scr.exe

    • Size

      779KB

    • MD5

      935bdb714d2c6a118e9c6bfd941084b8

    • SHA1

      817f3f195d61d459fbbdac24e5a4f014d927edcf

    • SHA256

      c69b2064c89c254dbeda8f204b3a60ab753816ddff618be9d593cb9839cfe09d

    • SHA512

      6915674b2cf0bbc300f18dc26fd983bb69d5ddf8ec7d00831915ae6d5602d0b770d5e785ab8b0d33b9e0c353773e2777273ff6e8383d7332a54fe2440976ede4

    • SSDEEP

      12288:XXa6zw6GW2F+5XizizdI+9kUWM6vQWO0v1wb1EVLz56TE/n0koAHf9qo05bWYpD/:XXal655XEIimkUd0dPpL04/9X05bj

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      Burglarproofs/bordskaaneren.Exp

    • Size

      55KB

    • MD5

      755fb54225dd285b06c369a2f5e58082

    • SHA1

      f87f62424d1e437c7bd3b8c5fad3ed40269f140a

    • SHA256

      81e5c8c7b98950c580ef3681dca6bfb2729cc82e862dabc118a53442c4c96bc1

    • SHA512

      4efea102c5076a541f96a788d88dc550195abc0a464b0d36638a8502836077f9c02e0a636c1f9654c693a7c853df0e6b99eaf6f0d4e5ffb0f81ae64690b3c915

    • SSDEEP

      768:WaLT5CxcsKDtyp82tKMAMtIDFX7a+I+peEGQO6GmJ14YNy39RS8QEw0AEEL8Rp5E:R4w+EQ+Dk/k/GYNy39g8oWsUp5+ddV4g

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v15

Tasks