Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2024 02:22

General

  • Target

    dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e.exe

  • Size

    1.3MB

  • MD5

    e3504f07ea46e8c5ce1321b44e752556

  • SHA1

    e5c612e6de7696296a13a5c59ee1712084559919

  • SHA256

    dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e

  • SHA512

    5aeb6baa9d02cdcfed6a02301bce02460b4b68c06ef3e9038bb4b1ba01ce3ad4884a5271653352527c625801519cfcfffdd9c1d03e005dbe3c21d3b460c4db5d

  • SSDEEP

    24576:qAHnh+eWsN3skA4RV1Hom2KXMmHaYMCcRJjERtK/cfrWIlcf6NyEi5:9h+ZkldoPK8YaYrc/jYK/cf6YcCM

Malware Config

Extracted

Family

remcos

Botnet

dorobumajor

C2

84.38.132.40:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    testhostex.exe

  • copy_folder

    dorbion

  • delete_file

    true

  • hide_file

    true

  • 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-WBALP5

  • 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.

  • UAC bypass 3 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 1 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e.exe
    "C:\Users\Admin\AppData\Local\Temp\dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2716
      • 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:2824
        • 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:2804
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:2984
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          3⤵
            PID:2912
          • C:\Windows\SysWOW64\svchost.exe
            svchost.exe
            3⤵
              PID:2744
            • C:\Windows\SysWOW64\svchost.exe
              svchost.exe
              3⤵
                PID:2600
              • C:\Windows\SysWOW64\svchost.exe
                svchost.exe
                3⤵
                  PID:2676
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  3⤵
                    PID:3056
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    3⤵
                      PID:2672
                    • C:\Windows\SysWOW64\svchost.exe
                      svchost.exe
                      3⤵
                        PID:2568
                      • C:\Windows\SysWOW64\svchost.exe
                        svchost.exe
                        3⤵
                          PID:1996
                        • C:\Windows\SysWOW64\svchost.exe
                          svchost.exe
                          3⤵
                            PID:1432
                          • C:\Windows\SysWOW64\svchost.exe
                            svchost.exe
                            3⤵
                              PID:2988
                            • C:\Windows\SysWOW64\svchost.exe
                              svchost.exe
                              3⤵
                                PID:2252
                              • C:\Windows\SysWOW64\svchost.exe
                                svchost.exe
                                3⤵
                                  PID:2928
                                • C:\Windows\SysWOW64\svchost.exe
                                  svchost.exe
                                  3⤵
                                    PID:2644
                                  • C:\Windows\SysWOW64\svchost.exe
                                    svchost.exe
                                    3⤵
                                      PID:1784
                                    • C:\Windows\SysWOW64\svchost.exe
                                      svchost.exe
                                      3⤵
                                        PID:1708
                                      • C:\Windows\SysWOW64\svchost.exe
                                        svchost.exe
                                        3⤵
                                          PID:940
                                        • C:\Windows\SysWOW64\svchost.exe
                                          svchost.exe
                                          3⤵
                                            PID:2408
                                          • C:\Windows\SysWOW64\svchost.exe
                                            svchost.exe
                                            3⤵
                                              PID:2080
                                            • C:\Windows\SysWOW64\svchost.exe
                                              svchost.exe
                                              3⤵
                                                PID:648
                                              • C:\Windows\SysWOW64\svchost.exe
                                                svchost.exe
                                                3⤵
                                                  PID:1092
                                                • C:\Windows\SysWOW64\svchost.exe
                                                  svchost.exe
                                                  3⤵
                                                    PID:2308
                                                  • C:\Windows\SysWOW64\svchost.exe
                                                    svchost.exe
                                                    3⤵
                                                      PID:2480
                                                    • C:\Windows\SysWOW64\svchost.exe
                                                      svchost.exe
                                                      3⤵
                                                        PID:2144
                                                      • C:\Windows\SysWOW64\svchost.exe
                                                        svchost.exe
                                                        3⤵
                                                          PID:2076
                                                        • C:\Windows\SysWOW64\svchost.exe
                                                          svchost.exe
                                                          3⤵
                                                            PID:2384
                                                          • C:\Windows\SysWOW64\svchost.exe
                                                            svchost.exe
                                                            3⤵
                                                              PID:2192
                                                            • C:\Windows\SysWOW64\svchost.exe
                                                              svchost.exe
                                                              3⤵
                                                                PID:2492
                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                svchost.exe
                                                                3⤵
                                                                  PID:1636
                                                                • C:\Windows\SysWOW64\svchost.exe
                                                                  svchost.exe
                                                                  3⤵
                                                                    PID:1684
                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                    svchost.exe
                                                                    3⤵
                                                                      PID:1504
                                                                    • C:\Windows\SysWOW64\svchost.exe
                                                                      svchost.exe
                                                                      3⤵
                                                                        PID:1356
                                                                      • C:\Windows\SysWOW64\svchost.exe
                                                                        svchost.exe
                                                                        3⤵
                                                                          PID:3004
                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                          svchost.exe
                                                                          3⤵
                                                                            PID:2360
                                                                          • C:\Windows\SysWOW64\svchost.exe
                                                                            svchost.exe
                                                                            3⤵
                                                                              PID:3024
                                                                            • C:\Windows\SysWOW64\svchost.exe
                                                                              svchost.exe
                                                                              3⤵
                                                                                PID:1604
                                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                                svchost.exe
                                                                                3⤵
                                                                                  PID:2068
                                                                                • C:\Windows\SysWOW64\svchost.exe
                                                                                  svchost.exe
                                                                                  3⤵
                                                                                    PID:2348
                                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                                    svchost.exe
                                                                                    3⤵
                                                                                      PID:2160
                                                                                    • C:\Windows\SysWOW64\svchost.exe
                                                                                      svchost.exe
                                                                                      3⤵
                                                                                        PID:608
                                                                                      • C:\Windows\SysWOW64\svchost.exe
                                                                                        svchost.exe
                                                                                        3⤵
                                                                                          PID:1216
                                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                                          svchost.exe
                                                                                          3⤵
                                                                                            PID:1500
                                                                                          • C:\Windows\SysWOW64\svchost.exe
                                                                                            svchost.exe
                                                                                            3⤵
                                                                                              PID:1264
                                                                                            • C:\Windows\SysWOW64\svchost.exe
                                                                                              svchost.exe
                                                                                              3⤵
                                                                                                PID:2472
                                                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                                                svchost.exe
                                                                                                3⤵
                                                                                                  PID:1584
                                                                                                • C:\Windows\SysWOW64\svchost.exe
                                                                                                  svchost.exe
                                                                                                  3⤵
                                                                                                    PID:2696
                                                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                                                    svchost.exe
                                                                                                    3⤵
                                                                                                      PID:2896
                                                                                                    • C:\Windows\SysWOW64\svchost.exe
                                                                                                      svchost.exe
                                                                                                      3⤵
                                                                                                        PID:2756
                                                                                                      • C:\Windows\SysWOW64\svchost.exe
                                                                                                        svchost.exe
                                                                                                        3⤵
                                                                                                          PID:2172
                                                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                                                          svchost.exe
                                                                                                          3⤵
                                                                                                            PID:2852
                                                                                                          • C:\Windows\SysWOW64\svchost.exe
                                                                                                            svchost.exe
                                                                                                            3⤵
                                                                                                              PID:2772
                                                                                                            • C:\Windows\SysWOW64\svchost.exe
                                                                                                              svchost.exe
                                                                                                              3⤵
                                                                                                                PID:2624
                                                                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                                                                svchost.exe
                                                                                                                3⤵
                                                                                                                  PID:2108
                                                                                                                • C:\Windows\SysWOW64\svchost.exe
                                                                                                                  svchost.exe
                                                                                                                  3⤵
                                                                                                                    PID:2188
                                                                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                                                                    svchost.exe
                                                                                                                    3⤵
                                                                                                                      PID:868
                                                                                                                    • C:\Windows\SysWOW64\svchost.exe
                                                                                                                      svchost.exe
                                                                                                                      3⤵
                                                                                                                        PID:2376
                                                                                                                      • C:\Windows\SysWOW64\svchost.exe
                                                                                                                        svchost.exe
                                                                                                                        3⤵
                                                                                                                          PID:1984
                                                                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                                                                          svchost.exe
                                                                                                                          3⤵
                                                                                                                            PID:2156
                                                                                                                          • C:\Windows\SysWOW64\svchost.exe
                                                                                                                            svchost.exe
                                                                                                                            3⤵
                                                                                                                              PID:536
                                                                                                                            • C:\Windows\SysWOW64\svchost.exe
                                                                                                                              svchost.exe
                                                                                                                              3⤵
                                                                                                                                PID:3064
                                                                                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                svchost.exe
                                                                                                                                3⤵
                                                                                                                                  PID:924
                                                                                                                                • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                  svchost.exe
                                                                                                                                  3⤵
                                                                                                                                    PID:2588
                                                                                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                    svchost.exe
                                                                                                                                    3⤵
                                                                                                                                      PID:2084
                                                                                                                                    • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                      svchost.exe
                                                                                                                                      3⤵
                                                                                                                                        PID:1064
                                                                                                                                      • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                        svchost.exe
                                                                                                                                        3⤵
                                                                                                                                          PID:2848
                                                                                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                          svchost.exe
                                                                                                                                          3⤵
                                                                                                                                            PID:2484
                                                                                                                                          • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                            svchost.exe
                                                                                                                                            3⤵
                                                                                                                                              PID:2396
                                                                                                                                            • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                              svchost.exe
                                                                                                                                              3⤵
                                                                                                                                                PID:2440
                                                                                                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                                svchost.exe
                                                                                                                                                3⤵
                                                                                                                                                  PID:1964
                                                                                                                                                • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                                  svchost.exe
                                                                                                                                                  3⤵
                                                                                                                                                    PID:2104
                                                                                                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                                    svchost.exe
                                                                                                                                                    3⤵
                                                                                                                                                      PID:1896
                                                                                                                                                    • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                                      svchost.exe
                                                                                                                                                      3⤵
                                                                                                                                                        PID:1936
                                                                                                                                                      • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                                        svchost.exe
                                                                                                                                                        3⤵
                                                                                                                                                          PID:2488
                                                                                                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                                          svchost.exe
                                                                                                                                                          3⤵
                                                                                                                                                            PID:1520
                                                                                                                                                          • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                                            svchost.exe
                                                                                                                                                            3⤵
                                                                                                                                                              PID:2004

                                                                                                                                                        Network

                                                                                                                                                        MITRE ATT&CK Enterprise v15

                                                                                                                                                        Replay Monitor

                                                                                                                                                        Loading Replay Monitor...

                                                                                                                                                        Downloads

                                                                                                                                                        • memory/2508-10-0x0000000000220000-0x0000000000224000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          16KB

                                                                                                                                                        • memory/2600-40-0x00000000000C0000-0x00000000000C8000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          32KB

                                                                                                                                                        • memory/2600-43-0x00000000000C0000-0x00000000000C8000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          32KB

                                                                                                                                                        • memory/2600-42-0x00000000000C0000-0x00000000000C8000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          32KB

                                                                                                                                                        • memory/2600-38-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          4KB

                                                                                                                                                        • memory/2676-49-0x0000000000080000-0x0000000000088000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          32KB

                                                                                                                                                        • memory/2716-18-0x0000000000400000-0x0000000000482000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          520KB

                                                                                                                                                        • memory/2716-14-0x0000000000400000-0x0000000000482000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          520KB

                                                                                                                                                        • memory/2716-70-0x0000000000400000-0x0000000000482000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          520KB

                                                                                                                                                        • memory/2716-69-0x0000000000400000-0x0000000000482000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          520KB

                                                                                                                                                        • memory/2716-50-0x0000000000400000-0x0000000000482000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          520KB

                                                                                                                                                        • memory/2716-11-0x0000000000400000-0x0000000000482000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          520KB

                                                                                                                                                        • memory/2716-13-0x0000000000400000-0x0000000000482000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          520KB

                                                                                                                                                        • memory/2716-15-0x0000000000400000-0x0000000000482000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          520KB

                                                                                                                                                        • memory/2744-37-0x0000000000080000-0x0000000000088000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          32KB

                                                                                                                                                        • memory/2912-30-0x0000000000080000-0x0000000000088000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          32KB

                                                                                                                                                        • memory/2912-31-0x0000000000080000-0x0000000000088000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          32KB

                                                                                                                                                        • memory/2984-21-0x0000000000080000-0x0000000000088000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          32KB

                                                                                                                                                        • memory/2984-23-0x0000000000080000-0x0000000000088000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          32KB

                                                                                                                                                        • memory/2984-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          4KB

                                                                                                                                                        • memory/2984-24-0x0000000000080000-0x0000000000088000-memory.dmp

                                                                                                                                                          Filesize

                                                                                                                                                          32KB