Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2024 23:01

General

  • Target

    ImageLogger.exe

  • Size

    483KB

  • MD5

    f5955b4d18efb1325dcc8ad9778076fe

  • SHA1

    b42b488f84d6d39430655f7bbb67f35b48e7e5b8

  • SHA256

    5f0e4772e7b804ea1fc60ebff11d9539c60398f968114c73d47de0b14b075f50

  • SHA512

    b4886d0e3fde068e47ae02f242423e86c91b70df3896c6d4935992e6dbc4a1034360369c279bec37fb605b25e6fb89d2c06722d48081009722784bef9a1395d5

  • SSDEEP

    6144:oTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZBAXccrdT4:oTlrYw1RUh3NFn+N5WfIQIjbs/ZB+T4

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-E22CTC

  • 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:1440
    • 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:1996
      • 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:2084
    • 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:2296
      • 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:2656
        • 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:2240
      • \??\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:2964
        • 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:1852
          • 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:2980
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          4⤵
            PID:2724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Windows\Windows.exe

      Filesize

      483KB

      MD5

      f5955b4d18efb1325dcc8ad9778076fe

      SHA1

      b42b488f84d6d39430655f7bbb67f35b48e7e5b8

      SHA256

      5f0e4772e7b804ea1fc60ebff11d9539c60398f968114c73d47de0b14b075f50

      SHA512

      b4886d0e3fde068e47ae02f242423e86c91b70df3896c6d4935992e6dbc4a1034360369c279bec37fb605b25e6fb89d2c06722d48081009722784bef9a1395d5

    • C:\ProgramData\remcos\logs.dat

      Filesize

      230B

      MD5

      6e67fdb9bacad9cb616cb99a020986da

      SHA1

      7baa8bb66e163dc657d1bca9943ffc808dd599bb

      SHA256

      732976738008edaf6996a6d9f87d22f03e98df3dd0683b50dfb30a316880429a

      SHA512

      32213a8837dd08197463847a6dbe329058d29244de2a4f3daa2102f226bebf1d0546d44ce3b1d33ca5051038418c919457f55bb84d756830986344ec2dab161e

    • memory/2724-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2964-57-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-25-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-64-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-12-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2964-26-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-28-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-61-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-33-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-34-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-35-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-36-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-60-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-40-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-44-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-45-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-52-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-53-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-56-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-14-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-37-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-19-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-13-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-65-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-68-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-69-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-72-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-73-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-76-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-77-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-81-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-80-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-85-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-84-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-88-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-87-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-89-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-90-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-92-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-95-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-96-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB

    • memory/2964-97-0x0000000000080000-0x0000000000102000-memory.dmp

      Filesize

      520KB