Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2024 22:56

General

  • Target

    ImageLogger.exe

  • Size

    483KB

  • MD5

    3bb489034bbe5a50f866a3b4257d8efc

  • SHA1

    ac7b71c48cb0bcd81db38afb5f88eb196fc55c6d

  • SHA256

    b722366efcf9c6f32c697164a821dbdbcb7abdab41e2685e16944d659ee5dc4c

  • SHA512

    827f669d0bee715bf49ef0e50bc7689eb1e78408df60d79ed720bb0e8444daca89bd4f0396202394a5b01e2efa8511838d7aad1af70609c47b859ff8d688f566

  • SSDEEP

    6144:QTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZBAXccr2T4:QTlrYw1RUh3NFn+N5WfIQIjbs/ZBhT4

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

software-julia.gl.at.ply.gg:17106

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Windows.exe

  • copy_folder

    Windows

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-H2REJ9

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • 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.

  • UAC bypass 3 TTPs 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 6 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 9 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ImageLogger.exe
    "C:\Users\Admin\AppData\Local\Temp\ImageLogger.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1940
    • 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:3024
      • 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:2180
    • C:\ProgramData\Windows\Windows.exe
      "C:\ProgramData\Windows\Windows.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2784
      • 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
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2736
        • 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
          4⤵
          • UAC bypass
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2900
      • \??\c:\program files (x86)\internet explorer\iexplore.exe
        "c:\program files (x86)\internet explorer\iexplore.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3040
        • 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
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2348
          • 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
            5⤵
            • UAC bypass
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2576
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          4⤵
            PID:2892

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\remcos\logs.dat

      Filesize

      230B

      MD5

      704ce0b10b342580f9a8cc53eceaab2c

      SHA1

      1315ded969bdcf8ffe27bef3c784ce07e41b24e0

      SHA256

      3017ed19ac049aab43e8ea2018d979a30f0f0896f4fd4e83d6ed5d04ae837828

      SHA512

      dcb4d9f3d995bedc7b5095b6ca6d24b847833b5f9d5b0a90d01b4e19385fa1cf4b77f5913b76483004492f9e339e83105d736e4b762990cedadd8df1aba4c89d

    • \ProgramData\Windows\Windows.exe

      Filesize

      483KB

      MD5

      3bb489034bbe5a50f866a3b4257d8efc

      SHA1

      ac7b71c48cb0bcd81db38afb5f88eb196fc55c6d

      SHA256

      b722366efcf9c6f32c697164a821dbdbcb7abdab41e2685e16944d659ee5dc4c

      SHA512

      827f669d0bee715bf49ef0e50bc7689eb1e78408df60d79ed720bb0e8444daca89bd4f0396202394a5b01e2efa8511838d7aad1af70609c47b859ff8d688f566

    • memory/2892-23-0x0000000000130000-0x00000000001B2000-memory.dmp

      Filesize

      520KB

    • memory/2892-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2892-22-0x0000000000130000-0x00000000001B2000-memory.dmp

      Filesize

      520KB

    • memory/3040-36-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3040-13-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-18-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-25-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-26-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-28-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-29-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-31-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-33-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-34-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-12-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-37-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-14-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-39-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-40-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-42-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-43-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-48-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-49-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-54-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-55-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-57-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-58-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-60-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-61-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-75-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB

    • memory/3040-76-0x0000000000220000-0x00000000002A2000-memory.dmp

      Filesize

      520KB