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Analysis

  • max time kernel
    157s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24/05/2022, 16:53

General

  • Target

    e24e3c6b26e3396feb84262e2372c75ee4167bba2735224ed73ab3d39ed853c2.exe

  • Size

    4.5MB

  • MD5

    7ef36c4d9580a3c276f465b2b10860e4

  • SHA1

    04ec08a1df9de13d004d3b566d8019d6c93ae827

  • SHA256

    e24e3c6b26e3396feb84262e2372c75ee4167bba2735224ed73ab3d39ed853c2

  • SHA512

    7d114d0b66b2774c3ed7bc856e73ac7689677144e7ceaf3ea217f7f35d5ed7aae0633da613eab4d290f21ea367c284135f3af7bb534ec7409d6e756ffb42d8e7

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 9 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 7 IoCs
  • Sets file to hidden 1 TTPs

    Modifies file attributes to stop it showing in Explorer etc.

  • UPX packed file 2 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops file in Program Files directory 28 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e24e3c6b26e3396feb84262e2372c75ee4167bba2735224ed73ab3d39ed853c2.exe
    "C:\Users\Admin\AppData\Local\Temp\e24e3c6b26e3396feb84262e2372c75ee4167bba2735224ed73ab3d39ed853c2.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\System\install.vbs"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\System\install.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2860
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Program Files (x86)\System" +H +S /S /D
          4⤵
          • Drops file in Program Files directory
          • Views/modifies file attributes
          PID:4844
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Program Files (x86)\System\*.*" +H +S /S /D
          4⤵
          • Drops file in Program Files directory
          • Views/modifies file attributes
          PID:4848
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im rutserv.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4340
        • C:\Windows\SysWOW64\taskkill.exe
          Taskkill /f /im rutserv.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4284
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im rfusclient.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:520
        • C:\Windows\SysWOW64\taskkill.exe
          Taskkill /f /im rfusclient.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2668
        • C:\Windows\SysWOW64\reg.exe
          reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
          4⤵
            PID:5000
          • C:\Windows\SysWOW64\regedit.exe
            regedit /s "regedit.reg"
            4⤵
            • Runs .reg file with regedit
            PID:396
          • C:\Windows\SysWOW64\timeout.exe
            timeout 2
            4⤵
            • Delays execution with timeout.exe
            PID:4712
          • C:\Program Files (x86)\System\rutserv.exe
            rutserv.exe /silentinstall
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:2252
          • C:\Program Files (x86)\System\rutserv.exe
            rutserv.exe /firewall
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:3788
          • C:\Program Files (x86)\System\rutserv.exe
            rutserv.exe /start
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4016
          • C:\Windows\SysWOW64\sc.exe
            sc failure RManService reset= 0 actions= restart/1000/restart/1000/restart/1000
            4⤵
              PID:3612
            • C:\Windows\SysWOW64\sc.exe
              sc config RManService obj= LocalSystem type= interact type= own
              4⤵
                PID:440
              • C:\Windows\SysWOW64\sc.exe
                sc config RManService DisplayName= "Windows_Defender v6.3"
                4⤵
                  PID:4328
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 120
                  4⤵
                  • Delays execution with timeout.exe
                  PID:2452
          • C:\Program Files (x86)\System\rutserv.exe
            "C:\Program Files (x86)\System\rutserv.exe"
            1⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3504
            • C:\Program Files (x86)\System\rfusclient.exe
              "C:\Program Files (x86)\System\rfusclient.exe" /tray
              2⤵
              • Executes dropped EXE
              PID:2592
            • C:\Program Files (x86)\System\rfusclient.exe
              "C:\Program Files (x86)\System\rfusclient.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:444
              • C:\Program Files (x86)\System\rfusclient.exe
                "C:\Program Files (x86)\System\rfusclient.exe" /tray
                3⤵
                • Executes dropped EXE
                • Suspicious behavior: SetClipboardViewer
                PID:2100

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\System\install.bat

            Filesize

            1KB

            MD5

            22776e8bd46dcb9c67462f6915fdf067

            SHA1

            e9df54d1d812a714e3195076ff71ece62089d6f2

            SHA256

            c572394f8bc3d91221be57dc9baa81d1295d129cfc9ba308ef8601b52a9f5b01

            SHA512

            fc11892837a29229e5f866bb8240437d79e5aae75709e9e91debe43d3f48010b173887f9e82ae26dcffbca62f47a2d2b79613564492057a11d0cf1db02426949

          • C:\Program Files (x86)\System\install.vbs

            Filesize

            120B

            MD5

            c719a030434d3fa96d62868f27e904a6

            SHA1

            f2f750a752dd1fda8915a47b082af7cf2d3e3655

            SHA256

            2696ee4302a85c6b4101fc6d1ce8e38b94fd9c2bbd1acc73b553576b3aacb92f

            SHA512

            47a9367f7596d19c0636766cd34ca3701d3b1239a284f2333fd04a48422f53b0df21002fd38a4f229f6a2f9f9e8163267e13ecb24d9ce6de1863d5f59ab04ff0

          • C:\Program Files (x86)\System\mailsend.exe

            Filesize

            1.2MB

            MD5

            ac23b87f8ec60ddd3f555556f89a6af8

            SHA1

            3cea6f84757d15ee8d7fa19d3dfc4992c50aa90c

            SHA256

            80a1d0a15066c7af67cf5377e59e450c2a96018505236f8f3352173282b27ae4

            SHA512

            57e67eab9c2a3b94161500eb0091533a539454e9bfddd47c61477299de9455b7ca11c498c5d8a7d77f4763a2053acb4ff96868a9313fede29969edc16d35b167

          • C:\Program Files (x86)\System\regedit.reg

            Filesize

            12KB

            MD5

            251212852a073e6fc5fbe3af92f66adb

            SHA1

            6ee07cb20f57830325c11867e68fea49ae0e87ea

            SHA256

            f2c83f4cc13b0cd28090dd128ec5ff221681118f6100eddaead88526070ceecb

            SHA512

            f3853ece99edc6d39edbf1c7bca471e71aa034684a85358b033e50418ffa061f1e8724cba76065048901c20c9f9a6dbd86a17ee33756c0452d4d3358047296be

          • C:\Program Files (x86)\System\rfusclient.exe

            Filesize

            1.5MB

            MD5

            b8667a1e84567fcf7821bcefb6a444af

            SHA1

            9c1f91fe77ad357c8f81205d65c9067a270d61f0

            SHA256

            dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

            SHA512

            ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

          • C:\Program Files (x86)\System\rfusclient.exe

            Filesize

            1.5MB

            MD5

            b8667a1e84567fcf7821bcefb6a444af

            SHA1

            9c1f91fe77ad357c8f81205d65c9067a270d61f0

            SHA256

            dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

            SHA512

            ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

          • C:\Program Files (x86)\System\rfusclient.exe

            Filesize

            1.5MB

            MD5

            b8667a1e84567fcf7821bcefb6a444af

            SHA1

            9c1f91fe77ad357c8f81205d65c9067a270d61f0

            SHA256

            dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

            SHA512

            ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

          • C:\Program Files (x86)\System\rfusclient.exe

            Filesize

            1.5MB

            MD5

            b8667a1e84567fcf7821bcefb6a444af

            SHA1

            9c1f91fe77ad357c8f81205d65c9067a270d61f0

            SHA256

            dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9

            SHA512

            ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852

          • C:\Program Files (x86)\System\rutserv.exe

            Filesize

            1.7MB

            MD5

            37a8802017a212bb7f5255abc7857969

            SHA1

            cb10c0d343c54538d12db8ed664d0a1fa35b6109

            SHA256

            1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

            SHA512

            4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

          • C:\Program Files (x86)\System\rutserv.exe

            Filesize

            1.7MB

            MD5

            37a8802017a212bb7f5255abc7857969

            SHA1

            cb10c0d343c54538d12db8ed664d0a1fa35b6109

            SHA256

            1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

            SHA512

            4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

          • C:\Program Files (x86)\System\rutserv.exe

            Filesize

            1.7MB

            MD5

            37a8802017a212bb7f5255abc7857969

            SHA1

            cb10c0d343c54538d12db8ed664d0a1fa35b6109

            SHA256

            1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

            SHA512

            4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

          • C:\Program Files (x86)\System\rutserv.exe

            Filesize

            1.7MB

            MD5

            37a8802017a212bb7f5255abc7857969

            SHA1

            cb10c0d343c54538d12db8ed664d0a1fa35b6109

            SHA256

            1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

            SHA512

            4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

          • C:\Program Files (x86)\System\rutserv.exe

            Filesize

            1.7MB

            MD5

            37a8802017a212bb7f5255abc7857969

            SHA1

            cb10c0d343c54538d12db8ed664d0a1fa35b6109

            SHA256

            1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6

            SHA512

            4e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0

          • C:\Program Files (x86)\System\vp8decoder.dll

            Filesize

            155KB

            MD5

            88318158527985702f61d169434a4940

            SHA1

            3cc751ba256b5727eb0713aad6f554ff1e7bca57

            SHA256

            4c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74

            SHA512

            5d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff

          • C:\Program Files (x86)\System\vp8encoder.dll

            Filesize

            593KB

            MD5

            6298c0af3d1d563834a218a9cc9f54bd

            SHA1

            0185cd591e454ed072e5a5077b25c612f6849dc9

            SHA256

            81af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172

            SHA512

            389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe

          • memory/444-185-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/444-184-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/444-187-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/444-189-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/444-192-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2100-199-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2100-204-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2100-203-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2100-202-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2100-201-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2100-200-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2252-154-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/2252-151-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/2252-152-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/2252-153-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/2252-155-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/2252-156-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/2592-183-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2592-190-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2592-186-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2592-188-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/2592-191-0x0000000000400000-0x00000000009B6000-memory.dmp

            Filesize

            5.7MB

          • memory/3504-173-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3504-177-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3504-176-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3504-175-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3504-174-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3504-205-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3788-163-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3788-162-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3788-164-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3788-159-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3788-161-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/3788-160-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/4016-168-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/4016-182-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/4016-167-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/4016-171-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/4016-169-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB

          • memory/4016-170-0x0000000000400000-0x0000000000AB9000-memory.dmp

            Filesize

            6.7MB