Analysis

  • max time kernel
    153s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 19:02

General

  • Target

    c583941fbe12187c3cad31de199365f0461f57f0f56dfe07b241926a83bee074.exe

  • Size

    4.2MB

  • MD5

    4506d4833a0c9173318806c603f14a3c

  • SHA1

    aa4ad783dfe3cc6b0b9612814ed9418253203c50

  • SHA256

    c583941fbe12187c3cad31de199365f0461f57f0f56dfe07b241926a83bee074

  • SHA512

    10d6f3bd0fcf0e3ebe156794731bef010dd0f997ed080718e58a213c5c3f6a8b0dcb4ebfb55f10bf66ae2435cbe4494757d296010ecc4969cbb8d8fc3e621a04

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 64 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\c583941fbe12187c3cad31de199365f0461f57f0f56dfe07b241926a83bee074.exe
      "C:\Users\Admin\AppData\Local\Temp\c583941fbe12187c3cad31de199365f0461f57f0f56dfe07b241926a83bee074.exe"
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3604
      • 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:512
        • 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:1080
          • 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:1268
            • 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:1480
          • 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:1696
            • 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:1916
              • 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:2112
                • 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:2412
                  • 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 behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    PID:3520
                    • 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:4960
                      • 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:4872
                • 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:2380
                  • 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:2244
      • 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:3820
        • 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:4560
          • 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=486317686DADAFA18059C6366A1B18CB --mojo-platform-channel-handle=1664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
            5⤵
              PID:1472
            • 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=629DD42EC5F1F73F7ACA754AE7751052 --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=629DD42EC5F1F73F7ACA754AE7751052 --renderer-client-id=2 --mojo-platform-channel-handle=1688 --allow-no-sandbox-job /prefetch:1
              5⤵
                PID:1556
              • 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=8E829DCE081B7CA1102057DAAD725DD9 --mojo-platform-channel-handle=2248 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                5⤵
                  PID:3068
                • 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=65516165D3D8E112BBBB30C52A1E17D4 --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=65516165D3D8E112BBBB30C52A1E17D4 --renderer-client-id=5 --mojo-platform-channel-handle=1664 --allow-no-sandbox-job /prefetch:1
                  5⤵
                    PID:2740
                  • 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=45AB247F5BF5E5D5709A72929BEB8EDF --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                    5⤵
                      PID:1176
                    • 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=BA4D41692985871D4532239C916B1123 --mojo-platform-channel-handle=2632 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                      5⤵
                        PID:3208

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/512-267-0x0000000000430000-0x000000000057A000-memory.dmp

                Filesize

                1.3MB

              • memory/1080-259-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1080-268-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1080-257-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/1176-309-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/1472-293-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/1556-296-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/1876-291-0x00007FFB7D2B0000-0x00007FFB7D2B1000-memory.dmp

                Filesize

                4KB

              • memory/2112-275-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/2112-279-0x0000000000400000-0x000000000041E000-memory.dmp

                Filesize

                120KB

              • memory/2740-303-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/3068-301-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/3208-312-0x0000000077C32000-0x0000000077C33000-memory.dmp

                Filesize

                4KB

              • memory/3520-286-0x0000000000B20000-0x0000000000BCE000-memory.dmp

                Filesize

                696KB

              • memory/4872-292-0x0000000000A40000-0x0000000000A41000-memory.dmp

                Filesize

                4KB

              • memory/4960-290-0x0000000000C40000-0x0000000000C41000-memory.dmp

                Filesize

                4KB