Analysis

  • max time kernel
    297s
  • max time network
    296s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2024 02:00

General

  • Target

    QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe

  • Size

    1.3MB

  • MD5

    5c44a72a49fe4fbc94f1c1aa8cbf0ab6

  • SHA1

    d0d0903f73b4aa11ee580fb6fd8d80775e6e88de

  • SHA256

    39fe045b17ab2fcdb512758a431845409c29ca9341090ac81878658423c39129

  • SHA512

    d92503e2ebbaa4e8728098cf6d0079de711a4f92663ad9db8583d848721818e4ecf3790a65253a0cd850c23eed8a46f98049a11f77b9f106344e501d124fbb97

  • SSDEEP

    24576:ctcKivRdWnSyEHyfE75BP/+mgWdm/bTLLK6:LKmXWSy6r2mgxv

Malware Config

Extracted

Family

remcos

Botnet

SLAVES

C2

windowslavesclient.duckdns.org:1604

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-J3MJAP

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • 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.

  • Remcos family
  • Executes dropped EXE 1 IoCs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4552
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 19 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Videoss" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Images.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:840
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 19
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3440
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Videoss" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Images.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1364
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 29 > nul && copy "C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe" "C:\Users\Admin\AppData\Roaming\Images.exe" && ping 127.0.0.1 -n 29 > nul && "C:\Users\Admin\AppData\Roaming\Images.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4596
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 29
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3404
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 29
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4948
      • C:\Users\Admin\AppData\Roaming\Images.exe
        "C:\Users\Admin\AppData\Roaming\Images.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2688
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:4920
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\fujgzlhhsdokrxfmji"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:4344
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\pwozsesjglgptdtqsscgt"
            5⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:4036
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\rqussodcutycejpcbdohesbma"
            5⤵
              PID:4424
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
              C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\rqussodcutycejpcbdohesbma"
              5⤵
                PID:3312
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\rqussodcutycejpcbdohesbma"
                5⤵
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2572

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\fujgzlhhsdokrxfmji

        Filesize

        4KB

        MD5

        17eece3240d08aa4811cf1007cfe2585

        SHA1

        6c10329f61455d1c96e041b6f89ee6260af3bd0f

        SHA256

        7cc0db44c7b23e4894fe11f0d8d84b2a82ad667eb1e3504192f3ba729f9a7903

        SHA512

        a7de8d6322410ec89f76c70a7159645e8913774f38b84aafeeeb9f90dc3b9aa74a0a280d0bb6674790c04a8ff2d059327f02ebfda6c4486778d53b7fc6da6370

      • C:\Users\Admin\AppData\Roaming\Images.exe

        Filesize

        1.3MB

        MD5

        5c44a72a49fe4fbc94f1c1aa8cbf0ab6

        SHA1

        d0d0903f73b4aa11ee580fb6fd8d80775e6e88de

        SHA256

        39fe045b17ab2fcdb512758a431845409c29ca9341090ac81878658423c39129

        SHA512

        d92503e2ebbaa4e8728098cf6d0079de711a4f92663ad9db8583d848721818e4ecf3790a65253a0cd850c23eed8a46f98049a11f77b9f106344e501d124fbb97

      • memory/2688-23-0x00000000099D0000-0x00000000099D6000-memory.dmp

        Filesize

        24KB

      • memory/2688-22-0x0000000007380000-0x000000000739A000-memory.dmp

        Filesize

        104KB

      • memory/2688-21-0x00000000745F0000-0x0000000074DA0000-memory.dmp

        Filesize

        7.7MB

      • memory/2688-28-0x00000000745F0000-0x0000000074DA0000-memory.dmp

        Filesize

        7.7MB

      • memory/2688-20-0x00000000745F0000-0x0000000074DA0000-memory.dmp

        Filesize

        7.7MB

      • memory/2688-19-0x00000000007F0000-0x0000000000936000-memory.dmp

        Filesize

        1.3MB

      • memory/2688-18-0x00000000745F0000-0x0000000074DA0000-memory.dmp

        Filesize

        7.7MB

      • memory/4552-5-0x0000000004E50000-0x0000000004E94000-memory.dmp

        Filesize

        272KB

      • memory/4552-10-0x0000000074620000-0x0000000074DD0000-memory.dmp

        Filesize

        7.7MB

      • memory/4552-12-0x0000000074620000-0x0000000074DD0000-memory.dmp

        Filesize

        7.7MB

      • memory/4552-9-0x000000007462E000-0x000000007462F000-memory.dmp

        Filesize

        4KB

      • memory/4552-8-0x0000000074620000-0x0000000074DD0000-memory.dmp

        Filesize

        7.7MB

      • memory/4552-7-0x0000000005110000-0x000000000511A000-memory.dmp

        Filesize

        40KB

      • memory/4552-6-0x0000000074620000-0x0000000074DD0000-memory.dmp

        Filesize

        7.7MB

      • memory/4552-4-0x0000000004FF0000-0x0000000005082000-memory.dmp

        Filesize

        584KB

      • memory/4552-3-0x0000000005500000-0x0000000005AA4000-memory.dmp

        Filesize

        5.6MB

      • memory/4552-2-0x0000000004EB0000-0x0000000004F4C000-memory.dmp

        Filesize

        624KB

      • memory/4552-1-0x0000000000F20000-0x0000000001066000-memory.dmp

        Filesize

        1.3MB

      • memory/4552-0-0x000000007462E000-0x000000007462F000-memory.dmp

        Filesize

        4KB

      • memory/4920-48-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-58-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-29-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-30-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-31-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-32-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-33-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-34-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-35-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-36-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-37-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-38-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-39-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-40-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-41-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-42-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-43-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-44-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-45-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-46-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-47-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-26-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-49-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-50-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-51-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-52-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-53-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-54-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-55-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-56-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-57-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-27-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-59-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-60-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-61-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-62-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-63-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-64-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-65-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-66-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-67-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-68-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-69-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-70-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-71-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-72-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-73-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-74-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-75-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-76-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-77-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-78-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-79-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-80-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-81-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-82-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-83-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-84-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-85-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-86-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-87-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-88-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-89-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/4920-24-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB