Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 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 class 1 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ImageLogger.exe
    "C:\Users\Admin\AppData\Local\Temp\ImageLogger.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1004
    • 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:968
      • 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:556
    • 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:324
      • 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:1680
        • 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:4496
      • \??\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: MapViewOfSection
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4084
        • 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:3208
          • 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:3376
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          4⤵
            PID:2472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Windows\Windows.exe

      Filesize

      483KB

      MD5

      3bb489034bbe5a50f866a3b4257d8efc

      SHA1

      ac7b71c48cb0bcd81db38afb5f88eb196fc55c6d

      SHA256

      b722366efcf9c6f32c697164a821dbdbcb7abdab41e2685e16944d659ee5dc4c

      SHA512

      827f669d0bee715bf49ef0e50bc7689eb1e78408df60d79ed720bb0e8444daca89bd4f0396202394a5b01e2efa8511838d7aad1af70609c47b859ff8d688f566

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      e9f0d455bd1e14118d2460df8d437858

      SHA1

      866d8888e04802dfbfac67243f1172053ae15dce

      SHA256

      fbd5ad941ab06c9d511b85702cb604c37ca4539af1acbfaa9cb4fc52bfd943a5

      SHA512

      03fd72ec2602c95d7d754f3df9c7a51d2988981cfe3b299a40289ac99d6f6860a2509558206eeb159bf4d171adb6a9fcf8dbfaf5385bfa670ab7614b09712ac7

    • memory/2472-44-0x0000000000B70000-0x0000000000BF2000-memory.dmp

      Filesize

      520KB

    • memory/2472-45-0x0000000000B70000-0x0000000000BF2000-memory.dmp

      Filesize

      520KB

    • memory/4084-33-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-35-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-36-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-43-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-40-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-34-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-46-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-48-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-50-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-51-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-53-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-55-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-56-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-58-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-59-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-61-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-62-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-64-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-65-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-67-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-68-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-73-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-74-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-76-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-78-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-79-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-81-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-82-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-84-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-86-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-87-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-89-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-90-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-92-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-93-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-95-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-96-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-98-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-99-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-101-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-102-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-104-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-105-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-107-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-108-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-110-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-111-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-113-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-114-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-116-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-117-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-119-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-120-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-122-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB

    • memory/4084-123-0x0000000001300000-0x0000000001382000-memory.dmp

      Filesize

      520KB