Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 14:54

General

  • Target

    lucerne as at 28 Nov 2022.exe

  • Size

    579KB

  • MD5

    796280ec19f4cabce99bbb14b4a43f28

  • SHA1

    537bedfbb6f6f2b544bc4892437f4a6050d932a9

  • SHA256

    eeb4e124303b10a370d6c20f70c17303dfe1cd6de4b255d85061804ad6902db0

  • SHA512

    6afca105404a50684a9a4b37646b2bbd17339120849aad6f9c8ef8e2abc4d28ba6ad144195b3db1e676c3d7a3335751b134ed58397d62991895b04a9f6498eb8

  • SSDEEP

    12288:VmwtkzfN9A6V20TKzB32n/3Ki0mGXq7mclWKpNCi/g:ltkzf3A6VR6O/OrXqicvN

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

awa

C2

gdyhjjdhbvxgsfe.gotdns.ch:2718

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-J6C5A7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lucerne as at 28 Nov 2022.exe
    "C:\Users\Admin\AppData\Local\Temp\lucerne as at 28 Nov 2022.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\lucerne as at 28 Nov 2022.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysteJHuJm.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:672
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1756
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:1712
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:1916

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/672-56-0x0000000000000000-mapping.dmp
      • memory/672-78-0x00000000745E0000-0x0000000074B8B000-memory.dmp
        Filesize

        5.7MB

      • memory/672-77-0x00000000745E0000-0x0000000074B8B000-memory.dmp
        Filesize

        5.7MB

      • memory/1328-54-0x0000000000940000-0x00000000009D6000-memory.dmp
        Filesize

        600KB

      • memory/1328-55-0x0000000075FE1000-0x0000000075FE3000-memory.dmp
        Filesize

        8KB

      • memory/1328-57-0x0000000000380000-0x000000000039C000-memory.dmp
        Filesize

        112KB

      • memory/1916-65-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-64-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-62-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-66-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-67-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-69-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-72-0x00000000004327A4-mapping.dmp
      • memory/1916-71-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-75-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-76-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-60-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-59-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1916-79-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB