Analysis

  • max time kernel
    161s
  • max time network
    164s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 22:41

General

  • Target

    fe580d1ff6731875a28c8c9370749aef80cc7ae1cf40d9a656148e00ecf3f5c9.exe

  • Size

    4.2MB

  • MD5

    550e089b4fea8f8b15ad71f8b6561b1d

  • SHA1

    032884a46430039ed4e38518aa20742b79ab2678

  • SHA256

    fe580d1ff6731875a28c8c9370749aef80cc7ae1cf40d9a656148e00ecf3f5c9

  • SHA512

    2e727d18480aaa9287c91bdeb5f9c58b2642ac3fffde8ca0b144daf7818ec8c1fa57baa22052a64a455f69ad91e773e1c72de79b9c2720f2eba0405565b67464

Score
10/10

Malware Config

Signatures

  • RMS

    Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

  • Executes dropped EXE 9 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:3064
    • C:\Users\Admin\AppData\Local\Temp\fe580d1ff6731875a28c8c9370749aef80cc7ae1cf40d9a656148e00ecf3f5c9.exe
      "C:\Users\Admin\AppData\Local\Temp\fe580d1ff6731875a28c8c9370749aef80cc7ae1cf40d9a656148e00ecf3f5c9.exe"
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\winchk32.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\winchk32.exe" /inst /xwait
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1284
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\winchk32.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\winchk32.exe" /inst /xwait
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1624
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /C xcopy /Y /E /Q * C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2216
            • C:\Windows\SysWOW64\xcopy.exe
              xcopy /Y /E /Q * C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\
              6⤵
              • Enumerates system info in registry
              PID:2328
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /C C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\winchk32.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:388
            • C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\winchk32.exe
              C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\winchk32.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2036
              • C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\winchk32.exe
                C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\winchk32.exe
                7⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1552
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /C C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\101\rutserv.exe
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2472
                  • C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\101\rutserv.exe
                    C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\101\rutserv.exe
                    9⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    PID:1896
                    • C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\101\rutserv.exe
                      C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\101\rutserv.exe -second
                      10⤵
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      PID:3080
                      • C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\101\rfusclient.exe
                        C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\101\rfusclient.exe /tray /user
                        11⤵
                        • Executes dropped EXE
                        PID:3780
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /C C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\winchk64.exe /inj
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2300
                  • C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\winchk64.exe
                    C:\Users\Admin\AppData\Roaming\29D451CF-3548-4486-8465-A23029B8F6FA\winchk64.exe /inj
                    9⤵
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:3824
      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ZPDG.pdf"
        3⤵
        • Checks processor information in registry
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1084
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:944
          • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
            "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=07AB7342471CFF2A514C63B4714B6014 --mojo-platform-channel-handle=1656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
            5⤵
              PID:2600
            • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
              "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D79BA702F02AFD6716D01D99302A9F1A --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=D79BA702F02AFD6716D01D99302A9F1A --renderer-client-id=2 --mojo-platform-channel-handle=1668 --allow-no-sandbox-job /prefetch:1
              5⤵
                PID:1692
              • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=F6DB30402D63DD32943760A25D409405 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=F6DB30402D63DD32943760A25D409405 --renderer-client-id=4 --mojo-platform-channel-handle=2104 --allow-no-sandbox-job /prefetch:1
                5⤵
                  PID:684
                • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=5BDB2FC952F427D99F90D43CF12F4F1D --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                  5⤵
                    PID:3004
                  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=A2B3CFD33D4B2D38AA75CC86613324C1 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                    5⤵
                      PID:3960
                    • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=81A3ABEF1135D5996DCB905AED0D92B4 --mojo-platform-channel-handle=2488 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                      5⤵
                        PID:3808

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • memory/684-302-0x0000000077162000-0x0000000077163000-memory.dmp

                Filesize

                4KB

              • memory/1284-261-0x0000000000430000-0x000000000057A000-memory.dmp

                Filesize

                1.3MB

              • memory/1552-276-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1552-278-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1624-258-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1624-260-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1624-262-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1692-297-0x0000000077162000-0x0000000077163000-memory.dmp

                Filesize

                4KB

              • memory/1896-288-0x0000000002820000-0x0000000002990000-memory.dmp

                Filesize

                1.4MB

              • memory/2600-294-0x0000000077162000-0x0000000077163000-memory.dmp

                Filesize

                4KB

              • memory/3004-307-0x0000000077162000-0x0000000077163000-memory.dmp

                Filesize

                4KB

              • memory/3064-287-0x00007FF8B9800000-0x00007FF8B9801000-memory.dmp

                Filesize

                4KB

              • memory/3080-291-0x0000000000BD0000-0x0000000000D1A000-memory.dmp

                Filesize

                1.3MB

              • memory/3780-293-0x0000000000C60000-0x0000000000C61000-memory.dmp

                Filesize

                4KB

              • memory/3960-310-0x0000000077162000-0x0000000077163000-memory.dmp

                Filesize

                4KB