Analysis

  • max time kernel
    191s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2022, 18:34

General

  • Target
    e055c80c80b7462e02dc357dfb0c336f60987611d24f29dc867d8788ca9eff6b.exe
  • Size 4.2MB
  • Sample221130-w76weaea76
  • SHA256 e055c80c80b7462e02dc357dfb0c336f60987611d24f29dc867d8788ca9eff6b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • RMS

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

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • ASPack v2.12-2.42 12 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 11 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 2 IoCs
  • Kills process with taskkill 4 IoCs
  • Modifies registry class 1 IoCs
  • Runs .reg file with regedit 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e055c80c80b7462e02dc357dfb0c336f60987611d24f29dc867d8788ca9eff6b.exe
    "C:\Users\Admin\AppData\Local\Temp\e055c80c80b7462e02dc357dfb0c336f60987611d24f29dc867d8788ca9eff6b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\tests.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2924
      • \??\c:\admi.exe
        admi.exe -p12345 -dc:\
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2752
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\install.vbs"
          4⤵
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:3688
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\install.bat" "
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3968
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im rutserv.exe
              6⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:4380
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im rfusclient.exe
              6⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:3708
            • C:\Windows\SysWOW64\reg.exe
              reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
              6⤵
                PID:4688
              • C:\Windows\SysWOW64\regedit.exe
                regedit /s "regedit.reg"
                6⤵
                • Runs .reg file with regedit
                PID:4300
              • C:\Windows\SysWOW64\timeout.exe
                timeout 2
                6⤵
                • Delays execution with timeout.exe
                PID:4924
              • \??\c:\rutserv.exe
                rutserv.exe /silentinstall
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:400
              • \??\c:\rutserv.exe
                rutserv.exe /firewall
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:3832
              • \??\c:\rutserv.exe
                rutserv.exe /start
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:4788
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\install.bat" "
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2860
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im rutserv.exe
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:1572
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im rfusclient.exe
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:1200
            • C:\Windows\SysWOW64\reg.exe
              reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
              5⤵
                PID:1296
              • C:\Windows\SysWOW64\regedit.exe
                regedit /s "regedit.reg"
                5⤵
                • Runs .reg file with regedit
                PID:4928
              • C:\Windows\SysWOW64\timeout.exe
                timeout 2
                5⤵
                • Delays execution with timeout.exe
                PID:4516
              • \??\c:\rutserv.exe
                rutserv.exe /silentinstall
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:1600
              • \??\c:\rutserv.exe
                rutserv.exe /firewall
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:2800
              • \??\c:\rutserv.exe
                rutserv.exe /start
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:4356
      • \??\c:\rutserv.exe
        c:\rutserv.exe
        1⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3144
        • \??\c:\rfusclient.exe
          c:\rfusclient.exe /tray
          2⤵
          • Executes dropped EXE
          PID:3368
        • \??\c:\rfusclient.exe
          c:\rfusclient.exe
          2⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:3932
          • \??\c:\rfusclient.exe
            c:\rfusclient.exe /tray
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: SetClipboardViewer
            PID:3504

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            admi.exe

            • Path C:\admi.exe
            • Size 4.1MB
            • SHA256 f4da4eb7c0b7e6bbb98162a7fdf558aac39aaf9caf52531cbe2fe41bb46fec2d
            • MD5 SHA1 SHA512 SSDEEP

            install.bat

            • Path C:\install.bat
            • Size 289B
            • SHA256 b7bdf067aca5eb9fd2b83b2b17195022fb4c684680bcdb278d158e9f77db10a2
            • MD5 SHA1 SHA512

            install.vbs

            • Path C:\install.vbs
            • Size 117B
            • SHA256 a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
            • MD5 SHA1 SHA512

            rfusclient.exe

            • Path C:\rfusclient.exe
            • Size 1.5MB
            • SHA256 dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
            • MD5 SHA1 SHA512 SSDEEP

            rfusclient.exe

            • Path C:\rfusclient.exe
            • Size 1.5MB
            • SHA256 dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
            • MD5 SHA1 SHA512 SSDEEP

            rfusclient.exe

            • Path C:\rfusclient.exe
            • Size 1.5MB
            • SHA256 dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
            • MD5 SHA1 SHA512 SSDEEP

            rutserv.exe

            • Path C:\rutserv.exe
            • Size 1.7MB
            • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
            • MD5 SHA1 SHA512 SSDEEP

            rutserv.exe

            • Path C:\rutserv.exe
            • Size 1.7MB
            • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
            • MD5 SHA1 SHA512 SSDEEP

            rutserv.exe

            • Path C:\rutserv.exe
            • Size 1.7MB
            • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
            • MD5 SHA1 SHA512 SSDEEP

            rutserv.exe

            • Path C:\rutserv.exe
            • Size 1.7MB
            • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
            • MD5 SHA1 SHA512 SSDEEP

            rutserv.exe

            • Path C:\rutserv.exe
            • Size 1.7MB
            • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
            • MD5 SHA1 SHA512 SSDEEP

            rutserv.exe

            • Path C:\rutserv.exe
            • Size 1.7MB
            • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
            • MD5 SHA1 SHA512 SSDEEP

            rutserv.exe

            • Path C:\rutserv.exe
            • Size 1.7MB
            • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
            • MD5 SHA1 SHA512 SSDEEP

            tests.bat

            • Path C:\tests.bat
            • Size 22B
            • SHA256 afa70763c180373e6a669f3e5ad09141f5baa03e3d1a40e65e8ba36694c82d66
            • MD5 SHA1 SHA512

            admi.exe

            • Path \??\c:\admi.exe
            • Size 4.1MB
            • SHA256 f4da4eb7c0b7e6bbb98162a7fdf558aac39aaf9caf52531cbe2fe41bb46fec2d
            • MD5 SHA1 SHA512 SSDEEP

            regedit.reg

            • Path \??\c:\regedit.reg
            • Size 11KB
            • SHA256 12af76d157ec14db12588aa0e97d2b0e69f822e2e83ba5909fdfd201f90c6378
            • MD5 SHA1 SHA512 SSDEEP

            rfusclient.exe

            • Path \??\c:\rfusclient.exe
            • Size 1.5MB
            • SHA256 dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
            • MD5 SHA1 SHA512 SSDEEP

            rutserv.exe

            • Path \??\c:\rutserv.exe
            • Size 1.7MB
            • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
            • MD5 SHA1 SHA512 SSDEEP

            vp8decoder.dll

            • Path \??\c:\vp8decoder.dll
            • Size 155KB
            • SHA256 4c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
            • MD5 SHA1 SHA512 SSDEEP

            vp8encoder.dll

            • Path \??\c:\vp8encoder.dll
            • Size 593KB
            • SHA256 81af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
            • MD5 SHA1 SHA512 SSDEEP

            memory/400-159-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/400-164-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/400-169-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/400-168-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/400-166-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/400-162-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/1600-165-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/1600-163-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/1600-161-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/1600-160-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/1600-167-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/1600-170-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/1600-158-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/2800-185-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/2800-183-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/2800-188-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/2800-182-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/2800-184-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/2800-181-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3144-209-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3144-208-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3144-207-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3144-205-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3144-204-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3368-222-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3368-224-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3368-225-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3368-220-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3368-228-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3368-218-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3504-236-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3504-237-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3504-238-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3504-232-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3504-233-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3504-234-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3504-235-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3832-173-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3832-180-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3832-186-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3832-174-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3832-175-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3832-177-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3832-178-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/3932-221-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3932-219-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3932-229-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3932-227-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3932-226-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/3932-223-0x0000000000400000-0x00000000009B6000-memory.dmp

            memory/4356-200-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4356-196-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4356-198-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4356-194-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4356-206-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4356-201-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4788-217-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4788-197-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4788-199-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4788-195-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4788-193-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4788-192-0x0000000000400000-0x0000000000AB9000-memory.dmp

            memory/4788-202-0x0000000000400000-0x0000000000AB9000-memory.dmp