Analysis

  • max time kernel
    168s
  • max time network
    174s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 21:24

General

  • Target

    36329712a21bc2a49d1e13920b3f7b647793f046e67a3c62aa7474ce61be0216.exe

  • Size

    4.2MB

  • MD5

    946142c3d34b736bbc890fa64ae09efe

  • SHA1

    421f52733d334be32c899670426c06cb72d92cde

  • SHA256

    36329712a21bc2a49d1e13920b3f7b647793f046e67a3c62aa7474ce61be0216

  • SHA512

    e9088eea723f732ba1a19ee1d81b09b0c5e3442a6c8cd2f537c86060548acb936bdcfa4c14ecde34a223bd72ed3776c887691af2afa781950a26181b13906d54

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: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:1876
    • C:\Users\Admin\AppData\Local\Temp\36329712a21bc2a49d1e13920b3f7b647793f046e67a3c62aa7474ce61be0216.exe
      "C:\Users\Admin\AppData\Local\Temp\36329712a21bc2a49d1e13920b3f7b647793f046e67a3c62aa7474ce61be0216.exe"
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3620
      • 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:2904
        • 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:1020
          • 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:1080
            • 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:1316
          • 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:1564
            • 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:1700
              • 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:1852
                • 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:2084
                  • 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:2676
                • 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:2104
                  • 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:2704
                    • 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:4820
                      • 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:4992
      • 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:2700
        • 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:4572
          • 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=B3F2844079C7FAE4EECD390F7821DE86 --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=B3F2844079C7FAE4EECD390F7821DE86 --renderer-client-id=2 --mojo-platform-channel-handle=1664 --allow-no-sandbox-job /prefetch:1
            5⤵
              PID:1188
            • 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=7C3275B1538474F3BD383ED07054BE1E --mojo-platform-channel-handle=1784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
              5⤵
                PID:1160
              • 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=7ABA37C526B087F92C4B31481C02F50E --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=7ABA37C526B087F92C4B31481C02F50E --renderer-client-id=4 --mojo-platform-channel-handle=2120 --allow-no-sandbox-job /prefetch:1
                5⤵
                  PID:1220
                • 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=50D6F1EA42C4FCDC3CA54C50E8A847A8 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                  5⤵
                    PID:2108
                  • 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=D683AF045EEA4E30E5BD4684F0A5F9AB --mojo-platform-channel-handle=2012 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                    5⤵
                      PID:2952
                    • 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=F98C00A902CDE3A54AABAE4977FC988E --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                      5⤵
                        PID:828

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/828-260-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/1020-206-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1020-204-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1020-202-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1160-244-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/1188-241-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/1220-249-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/1852-220-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1852-227-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1876-240-0x00007FFB7D2B0000-0x00007FFB7D2B1000-memory.dmp

                Filesize

                4KB

              • memory/2108-254-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/2704-235-0x0000000000B70000-0x0000000000CBA000-memory.dmp

                Filesize

                1.3MB

              • memory/2904-205-0x0000000000430000-0x000000000057A000-memory.dmp

                Filesize

                1.3MB

              • memory/2952-257-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/4820-237-0x0000000002700000-0x0000000002701000-memory.dmp

                Filesize

                4KB

              • memory/4992-239-0x0000000000B40000-0x0000000000B41000-memory.dmp

                Filesize

                4KB