Analysis

  • max time kernel
    116s
  • max time network
    192s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    27-03-2022 03:32

General

  • Target

    25d21f44ec2dadf7600ce6627032b56723d0aa8a6df72ebe974e472cb86e52e3.exe

  • Size

    4.1MB

  • MD5

    75cddf50910252ceef5107a43e98482b

  • SHA1

    703d4737bd193bc81477ac13258cd86bb2211fad

  • SHA256

    25d21f44ec2dadf7600ce6627032b56723d0aa8a6df72ebe974e472cb86e52e3

  • SHA512

    f94b0fd1d47fb3f147670324f06f68720683c144c793944b8a8ad81ab333b9b6a0fa7adb1b27593e42f49234c4cca7dc11e21cd3b8fc1bb10013bcacb2756e0e

Score
10/10

Malware Config

Signatures

  • RMS

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

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

    Modifies file attributes to stop it showing in Explorer etc.

  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 3 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25d21f44ec2dadf7600ce6627032b56723d0aa8a6df72ebe974e472cb86e52e3.exe
    "C:\Users\Admin\AppData\Local\Temp\25d21f44ec2dadf7600ce6627032b56723d0aa8a6df72ebe974e472cb86e52e3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Users\Admin\AppData\Local\Temp\Windows\build\data.exe
      "C:\Users\Admin\AppData\Local\Temp\Windows\build\data.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Log\install.vbs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1072
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Log\Windows\hiscomponent\install.bat" "
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1364
          • C:\Windows\SysWOW64\reg.exe
            reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
            5⤵
              PID:764
            • C:\Windows\SysWOW64\reg.exe
              reg delete "HKEY_LOCAL_MACHINE\SYSTEM\HardwareConfig\DEVICEMAP" /f
              5⤵
                PID:660
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h "C:\Remote Manipulator System"
                5⤵
                • Views/modifies file attributes
                PID:1176
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h "C:\Log"
                5⤵
                • Views/modifies file attributes
                PID:1756
              • C:\Windows\SysWOW64\regedit.exe
                regedit /s "Windows\hiscomponent\regedit.reg"
                5⤵
                • Runs .reg file with regedit
                PID:824
              • C:\Windows\SysWOW64\timeout.exe
                timeout 1
                5⤵
                • Delays execution with timeout.exe
                PID:1528
              • C:\Windows\SysWOW64\timeout.exe
                timeout 2
                5⤵
                • Delays execution with timeout.exe
                PID:1520
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h "C:\Remote Manipulator System\*.*"
                5⤵
                • Views/modifies file attributes
                PID:1744
              • C:\Remote Manipulator System\rutserv.exe
                rutserv.exe /silentinstall
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:624
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h "C:\Remote Manipulator System\rutserv.exe"
                5⤵
                • Views/modifies file attributes
                PID:676
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h "C:\Remote Manipulator System\rfusclient.exe"
                5⤵
                • Views/modifies file attributes
                PID:1476
              • C:\Remote Manipulator System\rutserv.exe
                rutserv.exe /firewall
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:900
              • C:\Remote Manipulator System\rutserv.exe
                rutserv.exe /start
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:1064
              • C:\Windows\SysWOW64\timeout.exe
                timeout 2
                5⤵
                • Delays execution with timeout.exe
                PID:2016
      • C:\Remote Manipulator System\rutserv.exe
        "C:\Remote Manipulator System\rutserv.exe"
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:976
        • C:\Remote Manipulator System\rfusclient.exe
          "C:\Remote Manipulator System\rfusclient.exe" /tray
          2⤵
          • Executes dropped EXE
          PID:552
        • C:\Remote Manipulator System\rfusclient.exe
          "C:\Remote Manipulator System\rfusclient.exe"
          2⤵
          • Executes dropped EXE
          PID:956
          • C:\Remote Manipulator System\rfusclient.exe
            "C:\Remote Manipulator System\rfusclient.exe" /tray
            3⤵
              PID:1356

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Log\Windows\hiscomponent\install.bat

          Filesize

          1KB

          MD5

          cbcb188c56d3b4c7001ee23da9cb17db

          SHA1

          f39f70a54e522bb875bc4019f3c1be13a68318c0

          SHA256

          702c49f6251d653b095793915873ff9d4767ba7f4832de0995a35c0a1a625b25

          SHA512

          096e6e6a0cda97450d990323e11cd9ca1bbd782c77a07a37a8fcc29d695408516ed12a57622d783f15661515f9bd00bf03ba3a2b5100d309d0b4f2fd11b398e1

        • C:\Log\Windows\hiscomponent\regedit.reg

          Filesize

          12KB

          MD5

          ac95942037420eaff0a962178500d450

          SHA1

          734ccb61d16499f909a3f48f90c2ca465edadef4

          SHA256

          0636cddcc4892f2f7759b523ae671b06d4e30beb0e21d5b929b555661fe6016f

          SHA512

          6dd1a3cb5a6e74e12752f3b7572ffb9a47701813ffeffde6abf1aba9063e4f179aa97d42e94c707377ba9fec1b409b7c602cd5af3fc90cc6594e72fb4a9a8079

        • C:\Log\install.vbs

          Filesize

          145B

          MD5

          bc5fa1fff095d50d252cb327ccd6661b

          SHA1

          8263ea4ab762f188df0f2902297cc46baf816c5c

          SHA256

          e8bd8b6ff5f0653e82c7239bfdb2894fbd509b45e581c2458bd84c2fd3d84886

          SHA512

          1eb5a0bc2b3c3ffa6f0967803239313110cd1c3293ecbb6a1f1c2d9d717a2f5aaf042dd28af8520ef63639f291e083c511527515489a45732e6191ad521f544d

        • C:\Log\rfusclient.exe

          Filesize

          5.1MB

          MD5

          caea06010be1fd215c89276a78064c79

          SHA1

          8f89c8d6b90b75385dacb83821f750bbc1325274

          SHA256

          e53966fbb8d23f56a6c9d215ac51e9a58578f7c17e4122b3b892f587d30bd479

          SHA512

          24a8453d5bb46dd4c3dba3e8419b0aae62f20491da26b06a6de17ab286578bd4832e309455de230814756446ae845ccf97acc27bd7db02142cdf6da48f877af6

        • C:\Log\rutserv.exe

          Filesize

          6.0MB

          MD5

          0a6ff2d35e08f6ab51de1e08ac1c00e9

          SHA1

          7cc1b01aa1bfaa43265b6b8142fb0d7f5b31aa76

          SHA256

          e5ec03622ffabb1a05c38b8b5bb79d03ebd7aab448582ab2f5a4b27725d7aa90

          SHA512

          9ac53f4ac7722e8a15112460d97dc3cea3189660ed51a25fb6b4694bec5433c58dc9cdfffaffa78bf93fd1a53625fc38745bfb4f89c9bc999d16a063c9cfb887

        • C:\Log\vp8decoder.dll

          Filesize

          378KB

          MD5

          d43fa82fab5337ce20ad14650085c5d9

          SHA1

          678aa092075ff65b6815ffc2d8fdc23af8425981

          SHA256

          c022958429edd94bfe31f2eacfe24ff6b45d6f12747725c449a36116373de03b

          SHA512

          103e61a9f58df03316676a074487e50ec518479c11068df3736df139b85c7671048c65bce0ef2c55b3c50c61fde54e9e6c7d1b795aea71263ae94c91d4874e0d

        • C:\Log\vp8encoder.dll

          Filesize

          1.6MB

          MD5

          dab4646806dfca6d0e0b4d80fa9209d6

          SHA1

          8244dfe22ec2090eee89dad103e6b2002059d16a

          SHA256

          cb6ef96d3a66ef08ec2c8640b751a52d6d4f4530cf01162a69966f0fd5153587

          SHA512

          aa5eb93bf23a10de797d6fb52a55a95d36bc48927c76fedd81e0c48872745cb7f7d1b3f230eaae42fd4e79b6a59ca707e56bd6963b03644cbd5984f11e98d6e7

        • C:\Remote Manipulator System\rfusclient.exe

          Filesize

          2.5MB

          MD5

          b4acc7ccd3175f348c62aa51a0217746

          SHA1

          3f3f46ecd2313097687adaad8f96252f992fa1cb

          SHA256

          25133a0e5bc8546198f9866721672f70926b1b3e8cc8845161597ba6cd9129e7

          SHA512

          3a4040aeee63940b6866d66a951021bcef6017a1e02a15637cec922fbaf0fec2500292173a028d9e96c4ff8b9f5346fe92962fc015258a9ab01556e3ca1aba12

        • C:\Remote Manipulator System\rfusclient.exe

          Filesize

          2.6MB

          MD5

          2c1b24a8fdac7c7b518436f4d9902e9b

          SHA1

          0c0619f748a6c9b75566ced1e4cd03eaf0705a33

          SHA256

          2662b84c6f1de7f8270bbba8ce9c1d356866b6eb3154ab8223998219e273d544

          SHA512

          35dbe1e95b8a0e9189fc7b1afe892d1b2fb6a50f0fc456e56de45f02f9d23b1c9239c3747f3608d822f488977297d856145e952459c6cb104a06c960322ce5f5

        • C:\Remote Manipulator System\rfusclient.exe

          Filesize

          2.1MB

          MD5

          53d5c18e197389de7c74f6f510a52565

          SHA1

          c8867daba8fef8b558375b69b71f002818e7f7ac

          SHA256

          477d80152ea03beaac18628fca1a2efab88ec5d861d4285e1074650f772f23b9

          SHA512

          7e9a178a38427432b8e21eb22923d4edac444ed76ec4ce98b1062846bc72922166d24b96ac76199b2b66ae33993d661535812eeab1063d1caf78370451bbb1ad

        • C:\Remote Manipulator System\rfusclient.exe

          Filesize

          5.1MB

          MD5

          caea06010be1fd215c89276a78064c79

          SHA1

          8f89c8d6b90b75385dacb83821f750bbc1325274

          SHA256

          e53966fbb8d23f56a6c9d215ac51e9a58578f7c17e4122b3b892f587d30bd479

          SHA512

          24a8453d5bb46dd4c3dba3e8419b0aae62f20491da26b06a6de17ab286578bd4832e309455de230814756446ae845ccf97acc27bd7db02142cdf6da48f877af6

        • C:\Remote Manipulator System\rutserv.exe

          Filesize

          3.0MB

          MD5

          c896221f61805899f6ca76ae2be449fd

          SHA1

          471c8fa5854e0be43060c9b0063a1b99232d4c31

          SHA256

          d3644152dd3d23e5084c8545f8deae349bb8b225580134c97401085bea42fc96

          SHA512

          2128b6349fcad28b911ebe85fea2506241d59113d287b0142542992540b140566231021a453625563abe8719bbc9b9903e81d5bb3f43d85094d8d136487de459

        • C:\Remote Manipulator System\rutserv.exe

          Filesize

          2.6MB

          MD5

          220979fbbdb32e77d460ea17d50f3e80

          SHA1

          9c55f26d3de6d3acf0890ebacba6bf468dabd657

          SHA256

          37aa98f5745b063abae254185f1559cc7edb51c45af3d2a7fc9f515a169460a0

          SHA512

          ba44038980187353f70a2c0c84ed1e1c51b47b67599de16ae26346d7212bcb1e28f5112e93a20ef93135a7da0b574030f75cb22b9eeaeedc10a273ace6fb55b8

        • C:\Remote Manipulator System\rutserv.exe

          Filesize

          2.1MB

          MD5

          4e9656c252ec6e6397029c5fe8c64cc7

          SHA1

          17f85ba3adff77841c03de24a0970d5a4e195d2c

          SHA256

          f697471099c4eb9da87c28d9886bd05bf79a8bce0eba599bd279fe7a2b11736d

          SHA512

          7e3cc75dc96fab3659d463f93cd580a0b5518af796233bb74a9da6a36906c25484b7744427594051e30fce5830ae924f80c0e6d4df927b29be0deb3ac94824b0

        • C:\Remote Manipulator System\rutserv.exe

          Filesize

          6.0MB

          MD5

          0a6ff2d35e08f6ab51de1e08ac1c00e9

          SHA1

          7cc1b01aa1bfaa43265b6b8142fb0d7f5b31aa76

          SHA256

          e5ec03622ffabb1a05c38b8b5bb79d03ebd7aab448582ab2f5a4b27725d7aa90

          SHA512

          9ac53f4ac7722e8a15112460d97dc3cea3189660ed51a25fb6b4694bec5433c58dc9cdfffaffa78bf93fd1a53625fc38745bfb4f89c9bc999d16a063c9cfb887

        • C:\Remote Manipulator System\rutserv.exe

          Filesize

          6.0MB

          MD5

          0a6ff2d35e08f6ab51de1e08ac1c00e9

          SHA1

          7cc1b01aa1bfaa43265b6b8142fb0d7f5b31aa76

          SHA256

          e5ec03622ffabb1a05c38b8b5bb79d03ebd7aab448582ab2f5a4b27725d7aa90

          SHA512

          9ac53f4ac7722e8a15112460d97dc3cea3189660ed51a25fb6b4694bec5433c58dc9cdfffaffa78bf93fd1a53625fc38745bfb4f89c9bc999d16a063c9cfb887

        • C:\Remote Manipulator System\vp8decoder.dll

          Filesize

          378KB

          MD5

          d43fa82fab5337ce20ad14650085c5d9

          SHA1

          678aa092075ff65b6815ffc2d8fdc23af8425981

          SHA256

          c022958429edd94bfe31f2eacfe24ff6b45d6f12747725c449a36116373de03b

          SHA512

          103e61a9f58df03316676a074487e50ec518479c11068df3736df139b85c7671048c65bce0ef2c55b3c50c61fde54e9e6c7d1b795aea71263ae94c91d4874e0d

        • C:\Remote Manipulator System\vp8encoder.dll

          Filesize

          1.6MB

          MD5

          dab4646806dfca6d0e0b4d80fa9209d6

          SHA1

          8244dfe22ec2090eee89dad103e6b2002059d16a

          SHA256

          cb6ef96d3a66ef08ec2c8640b751a52d6d4f4530cf01162a69966f0fd5153587

          SHA512

          aa5eb93bf23a10de797d6fb52a55a95d36bc48927c76fedd81e0c48872745cb7f7d1b3f230eaae42fd4e79b6a59ca707e56bd6963b03644cbd5984f11e98d6e7

        • C:\Users\Admin\AppData\Local\Temp\Windows\build\data.exe

          Filesize

          4.1MB

          MD5

          93a8c5c8356852cc155d187ecf43b3e9

          SHA1

          402d8b29f0261f83d12508a8c611fbafce39a6e8

          SHA256

          761fd557616a4ce3f2959148fbf3ca72e5fe147f2c69867ad475d22c521243ea

          SHA512

          ff346c2749f706aa0c5a59a92219bb00e197c138179b3de6bc1e9d31860937f961ab14601e45477e2603ab618dec96d444de182fad2f71b522549c178440f37f

        • C:\Users\Admin\AppData\Local\Temp\Windows\build\data.exe

          Filesize

          4.1MB

          MD5

          93a8c5c8356852cc155d187ecf43b3e9

          SHA1

          402d8b29f0261f83d12508a8c611fbafce39a6e8

          SHA256

          761fd557616a4ce3f2959148fbf3ca72e5fe147f2c69867ad475d22c521243ea

          SHA512

          ff346c2749f706aa0c5a59a92219bb00e197c138179b3de6bc1e9d31860937f961ab14601e45477e2603ab618dec96d444de182fad2f71b522549c178440f37f

        • \Remote Manipulator System\rfusclient.exe

          Filesize

          2.6MB

          MD5

          b11c74e8c0b1f375a812b77d4e15e50f

          SHA1

          9318a1aae2b9da3677f1e30309c72dd69d3c170a

          SHA256

          3c8a208b89adaab8f9b053cbc6c1f3afa0c9f5c5034c753ee5c2d042641cdc29

          SHA512

          9c68fb7dbe1c8fa38db5826d054da9a7bdd29c94c66377d5610b0285fab951444ec41cfde9d5189a12505c12c919db0fd86a6f036f7d3aed647be6fd7621b336

        • \Remote Manipulator System\rutserv.exe

          Filesize

          2.5MB

          MD5

          58b8595c51edf87d5bb46da05957831a

          SHA1

          c73f0ff71e1552ebd021c0516419ef551e74fe75

          SHA256

          83359926ee447b8d44e574ca634deb2ba05be4d1cf8a77f46556278de77672c9

          SHA512

          e0f45bb7f051fd359569b980ecaffbb9f10862f85b4512ca684b424319d520e6c453c1e36c000b6f4dee32a06d2a623821c7b52d26a055849404404820adf599

        • \Remote Manipulator System\rutserv.exe

          Filesize

          2.1MB

          MD5

          d57b158b0837d85a2ab3160e6942a6dd

          SHA1

          0817a18f4eb91bf31fdfc0a5fadea3bc264c98a1

          SHA256

          efd73196b652bff333a613a4a8c01dfb36f98a0ad8f7a53f5ce52b3f19dceda4

          SHA512

          aca6cbc2a0d35e7983efbd5bcec8325d520f832e82ea7e8f24188206ef76a87d51ceea3caa043e723adf5a32e833b24487c591bf27075eb00de42dd7bef2d7d8

        • \Remote Manipulator System\rutserv.exe

          Filesize

          6.0MB

          MD5

          0a6ff2d35e08f6ab51de1e08ac1c00e9

          SHA1

          7cc1b01aa1bfaa43265b6b8142fb0d7f5b31aa76

          SHA256

          e5ec03622ffabb1a05c38b8b5bb79d03ebd7aab448582ab2f5a4b27725d7aa90

          SHA512

          9ac53f4ac7722e8a15112460d97dc3cea3189660ed51a25fb6b4694bec5433c58dc9cdfffaffa78bf93fd1a53625fc38745bfb4f89c9bc999d16a063c9cfb887

        • \Users\Admin\AppData\Local\Temp\Windows\build\data.exe

          Filesize

          4.1MB

          MD5

          93a8c5c8356852cc155d187ecf43b3e9

          SHA1

          402d8b29f0261f83d12508a8c611fbafce39a6e8

          SHA256

          761fd557616a4ce3f2959148fbf3ca72e5fe147f2c69867ad475d22c521243ea

          SHA512

          ff346c2749f706aa0c5a59a92219bb00e197c138179b3de6bc1e9d31860937f961ab14601e45477e2603ab618dec96d444de182fad2f71b522549c178440f37f

        • \Users\Admin\AppData\Local\Temp\Windows\build\data.exe

          Filesize

          4.1MB

          MD5

          93a8c5c8356852cc155d187ecf43b3e9

          SHA1

          402d8b29f0261f83d12508a8c611fbafce39a6e8

          SHA256

          761fd557616a4ce3f2959148fbf3ca72e5fe147f2c69867ad475d22c521243ea

          SHA512

          ff346c2749f706aa0c5a59a92219bb00e197c138179b3de6bc1e9d31860937f961ab14601e45477e2603ab618dec96d444de182fad2f71b522549c178440f37f

        • \Users\Admin\AppData\Local\Temp\Windows\build\data.exe

          Filesize

          4.1MB

          MD5

          93a8c5c8356852cc155d187ecf43b3e9

          SHA1

          402d8b29f0261f83d12508a8c611fbafce39a6e8

          SHA256

          761fd557616a4ce3f2959148fbf3ca72e5fe147f2c69867ad475d22c521243ea

          SHA512

          ff346c2749f706aa0c5a59a92219bb00e197c138179b3de6bc1e9d31860937f961ab14601e45477e2603ab618dec96d444de182fad2f71b522549c178440f37f

        • memory/852-54-0x0000000075C11000-0x0000000075C13000-memory.dmp

          Filesize

          8KB