Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/08/2024, 08:22

General

  • Target
    Scan00102207.gz.exe
  • Size 1.3MB
  • Sample240814-j9j37ssarf
  • SHA256 6610fa5fa05c6918011ca2ea766eb3062869086dc66713e1d259ac7c4efc4550
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Botnet
  • RemoteHost

C2
  • www.vipclassproject2024.space: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

    manpi

  • mouse_option

    false

  • mutex

    Rmc-WTPOG9

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Scan00102207.gz.exe
    "C:\Users\Admin\AppData\Local\Temp\Scan00102207.gz.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\Scan00102207.gz.exe
      "C:\Users\Admin\AppData\Local\Temp\Scan00102207.gz.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1492

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        logs.dat

        • Path C:\ProgramData\manpi\logs.dat
        • Size 144B
        • SHA256 dc10fb9181dd0ebe2afbd0cea15a453c9c213f5bf004d3aac9060ede5499b2af
        • MD5 SHA1 SHA512

        neophobic

        • Path C:\Users\Admin\AppData\Local\Temp\neophobic
        • Size 28KB
        • SHA256 2ff0969fd4aa99e24e0de68dc1680419bd1d8ac171ce7642f19fc53ef5c9bf43
        • MD5 SHA1 SHA512 SSDEEP

        polygamodioecious

        • Path C:\Users\Admin\AppData\Local\Temp\polygamodioecious
        • Size 482KB
        • SHA256 dae3463a4bc22fa2d45f482b3e1fa1403783b63c880a1da917ed0caa86830979
        • MD5 SHA1 SHA512 SSDEEP

        memory/1492-25-0x0000000000400000-0x0000000000482000-memory.dmp

        memory/1492-28-0x0000000000400000-0x0000000000482000-memory.dmp

        memory/1492-29-0x0000000000400000-0x0000000000482000-memory.dmp

        memory/1492-30-0x0000000000400000-0x0000000000482000-memory.dmp

        memory/1492-35-0x0000000000400000-0x0000000000482000-memory.dmp

        memory/2332-11-0x0000000001B30000-0x0000000001B34000-memory.dmp