Resubmissions

07-11-2024 03:54

241107-egqm3atqbt 10

28-10-2024 20:57

241028-zrzc6sxemk 10

Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2024 20:57

General

  • Target

    luna.exe

  • Size

    469KB

  • MD5

    e60cc75120901abeb61e9fb76cbf96ec

  • SHA1

    228bb950e891943002c0c7f604f3c3feff6d135b

  • SHA256

    ecfa5c1f460a2d96cfe17c13b7b77f1755ebf4a96d114a1d8814d85c78483ade

  • SHA512

    6de5b0985238ba664985f5b0371765ecf8e6a31bafd5dd3688fefeb0c93cdfe011adc4aefa2258afacb6278e5f83199c96c1247671adc3e319ba45150c787b41

  • SSDEEP

    12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSdPn9:uiLJbpI7I2WhQqZ7dP9

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

it-double.gl.at.ply.gg:37981

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Security.exe

  • copy_folder

    system64

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-Z7BY2N

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Windows Recovery

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Hawkeye family
  • Remcos

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

  • Remcos family
  • UAC bypass 3 TTPs 3 IoCs
  • Adds policy Run key to start application 2 TTPs 6 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Drops file in System32 directory 11 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 36 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\luna.exe
    "C:\Users\Admin\AppData\Local\Temp\luna.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Windows\SysWOW64\cmd.exe
      /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
        3⤵
        • UAC bypass
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:1176
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c "C:\Windows\SysWOW64\system64\Security.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4968
        • C:\Windows\SysWOW64\system64\Security.exe
          C:\Windows\SysWOW64\system64\Security.exe
          4⤵
          • Adds policy Run key to start application
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:4848
          • C:\Windows\SysWOW64\cmd.exe
            /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3652
            • C:\Windows\SysWOW64\reg.exe
              C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
              6⤵
              • UAC bypass
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:5068
          • \??\c:\program files (x86)\internet explorer\iexplore.exe
            "c:\program files (x86)\internet explorer\iexplore.exe"
            5⤵
            • Adds policy Run key to start application
            • Adds Run key to start application
            • Sets desktop wallpaper using registry
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2440
            • C:\Windows\SysWOW64\cmd.exe
              /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:32
              • C:\Windows\SysWOW64\reg.exe
                C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
                7⤵
                • UAC bypass
                • System Location Discovery: System Language Discovery
                • Modifies registry key
                PID:2588
            • C:\Windows\SysWOW64\svchost.exe
              svchost.exe
              6⤵
                PID:4888
              • C:\Windows\SysWOW64\dxdiag.exe
                "C:\Windows\System32\dxdiag.exe" /t C:\Users\Admin\AppData\Local\Temp\sysinfo.txt
                6⤵
                • Drops file in System32 directory
                • System Location Discovery: System Language Discovery
                • Checks SCSI registry key(s)
                • Modifies registry class
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:4284

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\install.vbs

      Filesize

      524B

      MD5

      97627fc71d5e90498616baf1e6fd73f8

      SHA1

      b75fdc55147ede7ba9eb9904d1b045246f5ba156

      SHA256

      e1d0bd471d22160ca18c4f4e3fc727a4c66df66f9afb84816ba91e8fe201522f

      SHA512

      8e41fd1ab5534213fe0921688d4adc72a2937765cfd7eb7bcb1448e5cc599cb705cba4415f2022d70f8b61d66b819e460cf7ba43a439a072a889f013c00ea948

    • C:\Users\Admin\AppData\Local\Temp\sysinfo.txt

      Filesize

      84KB

      MD5

      4babfafd552685d0f02fe364b142ff74

      SHA1

      c5f640e9c59764b5045bd78aafde0327585bdf4f

      SHA256

      553aeab2bdc43bf3959eb38888647618d38ef9395ef1bcfacab5145d6b155916

      SHA512

      e9fe4427eb2260dd47b44a3f7170eda39a6574c4b9a3e8865a3a97649605fc020c1fe2ca7a0ef1584b3a4b2d7e0db458e7168fd2b09a268875772582272ff505

    • C:\Windows\SysWOW64\system64\Security.exe

      Filesize

      469KB

      MD5

      e60cc75120901abeb61e9fb76cbf96ec

      SHA1

      228bb950e891943002c0c7f604f3c3feff6d135b

      SHA256

      ecfa5c1f460a2d96cfe17c13b7b77f1755ebf4a96d114a1d8814d85c78483ade

      SHA512

      6de5b0985238ba664985f5b0371765ecf8e6a31bafd5dd3688fefeb0c93cdfe011adc4aefa2258afacb6278e5f83199c96c1247671adc3e319ba45150c787b41

    • memory/2440-68-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-18-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-16-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-83-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-82-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-17-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-11-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-19-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-21-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-23-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-22-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-58-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-25-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-26-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-27-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-81-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-80-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-79-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-78-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-77-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-76-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-75-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-72-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-74-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-73-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-10-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-24-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-59-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-60-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-61-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-62-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-63-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-64-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-65-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-66-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-67-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/2440-9-0x0000000000D00000-0x0000000000D7F000-memory.dmp

      Filesize

      508KB

    • memory/4284-38-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/4284-35-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/4284-36-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/4284-37-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/4284-34-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/4284-39-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/4284-40-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/4284-29-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/4284-30-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/4284-28-0x0000000002D00000-0x0000000002D01000-memory.dmp

      Filesize

      4KB

    • memory/4888-15-0x00000000001A0000-0x000000000021F000-memory.dmp

      Filesize

      508KB

    • memory/4888-14-0x00000000001A0000-0x000000000021F000-memory.dmp

      Filesize

      508KB