Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 04:23

General

  • Target

    f222a5033229abdd7e841b837a35950b69ffd63a5b7d61bba88e524baaf71eac.exe

  • Size

    6.3MB

  • MD5

    22e54983913badd5201e7bcb63691a84

  • SHA1

    5fb006efd2ea4cff9f6aca0cd4ce354b9aea405d

  • SHA256

    f222a5033229abdd7e841b837a35950b69ffd63a5b7d61bba88e524baaf71eac

  • SHA512

    128064d312842bd394ff490291e25cc640dbcab6ab7bd69f87c79cd6e8bbb997c588e2dd722b2af3e7c8da62dcd7039e00c62fd47fd5e79b71fdd742edad84ed

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • RMS

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

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 13 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f222a5033229abdd7e841b837a35950b69ffd63a5b7d61bba88e524baaf71eac.exe
    "C:\Users\Admin\AppData\Local\Temp\f222a5033229abdd7e841b837a35950b69ffd63a5b7d61bba88e524baaf71eac.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\System64\1systemsmss.exe
      "C:\Windows\System64\1systemsmss.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\SysWOW64\regedit.exe
        "C:\Windows\System32\regedit.exe" /s "C:\Windows\Zont911\Regedit.reg"
        3⤵
        • Runs .reg file with regedit
        PID:1996
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Windows\Zont911\Tupe.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Windows\SysWOW64\chcp.com
          Chcp 1251
          4⤵
            PID:1980
          • C:\Windows\System64\svnhost.exe
            "C:\Windows\System64\svnhost.exe" /silentinstall
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1940
          • C:\Windows\System64\svnhost.exe
            "C:\Windows\System64\svnhost.exe" /firewall
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1452
          • C:\Windows\System64\svnhost.exe
            "C:\Windows\System64\svnhost.exe" /start
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1628
    • C:\Windows\System64\svnhost.exe
      C:\Windows\System64\svnhost.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:864
      • C:\Windows\System64\systemsmss.exe
        C:\Windows\System64\systemsmss.exe
        2⤵
        • Executes dropped EXE
        PID:556
      • C:\Windows\System64\systemsmss.exe
        C:\Windows\System64\systemsmss.exe /tray
        2⤵
        • Executes dropped EXE
        PID:1464

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\System64\1systemsmss.exe

      Filesize

      6.3MB

      MD5

      22e54983913badd5201e7bcb63691a84

      SHA1

      5fb006efd2ea4cff9f6aca0cd4ce354b9aea405d

      SHA256

      f222a5033229abdd7e841b837a35950b69ffd63a5b7d61bba88e524baaf71eac

      SHA512

      128064d312842bd394ff490291e25cc640dbcab6ab7bd69f87c79cd6e8bbb997c588e2dd722b2af3e7c8da62dcd7039e00c62fd47fd5e79b71fdd742edad84ed

    • C:\Windows\System64\1systemsmss.exe

      Filesize

      6.3MB

      MD5

      22e54983913badd5201e7bcb63691a84

      SHA1

      5fb006efd2ea4cff9f6aca0cd4ce354b9aea405d

      SHA256

      f222a5033229abdd7e841b837a35950b69ffd63a5b7d61bba88e524baaf71eac

      SHA512

      128064d312842bd394ff490291e25cc640dbcab6ab7bd69f87c79cd6e8bbb997c588e2dd722b2af3e7c8da62dcd7039e00c62fd47fd5e79b71fdd742edad84ed

    • C:\Windows\System64\svnhost.exe

      Filesize

      6.0MB

      MD5

      e437e8730f2163cba2552a5a374a885a

      SHA1

      514497f668ae7b80a698bd8cda6de2dcf104e450

      SHA256

      dde1cc7b34ad434fb515b4b315c2ec22a74e3b1b4d50fe83421fab4d6055b3a6

      SHA512

      e924929176c60f00bfd45f0ec991279d4bbb96be4f5f270e636594d4faad681c318cbc9374dd2126170e18f7b4e9db54b193c147b452655c2806921d8c76c445

    • C:\Windows\System64\svnhost.exe

      Filesize

      6.0MB

      MD5

      e437e8730f2163cba2552a5a374a885a

      SHA1

      514497f668ae7b80a698bd8cda6de2dcf104e450

      SHA256

      dde1cc7b34ad434fb515b4b315c2ec22a74e3b1b4d50fe83421fab4d6055b3a6

      SHA512

      e924929176c60f00bfd45f0ec991279d4bbb96be4f5f270e636594d4faad681c318cbc9374dd2126170e18f7b4e9db54b193c147b452655c2806921d8c76c445

    • C:\Windows\System64\svnhost.exe

      Filesize

      6.0MB

      MD5

      e437e8730f2163cba2552a5a374a885a

      SHA1

      514497f668ae7b80a698bd8cda6de2dcf104e450

      SHA256

      dde1cc7b34ad434fb515b4b315c2ec22a74e3b1b4d50fe83421fab4d6055b3a6

      SHA512

      e924929176c60f00bfd45f0ec991279d4bbb96be4f5f270e636594d4faad681c318cbc9374dd2126170e18f7b4e9db54b193c147b452655c2806921d8c76c445

    • C:\Windows\System64\svnhost.exe

      Filesize

      6.0MB

      MD5

      e437e8730f2163cba2552a5a374a885a

      SHA1

      514497f668ae7b80a698bd8cda6de2dcf104e450

      SHA256

      dde1cc7b34ad434fb515b4b315c2ec22a74e3b1b4d50fe83421fab4d6055b3a6

      SHA512

      e924929176c60f00bfd45f0ec991279d4bbb96be4f5f270e636594d4faad681c318cbc9374dd2126170e18f7b4e9db54b193c147b452655c2806921d8c76c445

    • C:\Windows\System64\svnhost.exe

      Filesize

      6.0MB

      MD5

      e437e8730f2163cba2552a5a374a885a

      SHA1

      514497f668ae7b80a698bd8cda6de2dcf104e450

      SHA256

      dde1cc7b34ad434fb515b4b315c2ec22a74e3b1b4d50fe83421fab4d6055b3a6

      SHA512

      e924929176c60f00bfd45f0ec991279d4bbb96be4f5f270e636594d4faad681c318cbc9374dd2126170e18f7b4e9db54b193c147b452655c2806921d8c76c445

    • C:\Windows\System64\systemsmss.exe

      Filesize

      5.1MB

      MD5

      bd458a26931f960f13958510e88a61a8

      SHA1

      be9fff29f269d649688e941e97ac03e669571837

      SHA256

      d295538301a5513d3e605e43586e48504ec22f87666a31ef06f697b5c9b611f3

      SHA512

      afe9e6209ade2846f31efb7b9977d42b28cd082eb0a4b9c4ba4b9c91d528afbc7efe748be0c78c938d042dc9d200c23d2f0552a7498ab23becac828df53245e7

    • C:\Windows\System64\systemsmss.exe

      Filesize

      5.1MB

      MD5

      bd458a26931f960f13958510e88a61a8

      SHA1

      be9fff29f269d649688e941e97ac03e669571837

      SHA256

      d295538301a5513d3e605e43586e48504ec22f87666a31ef06f697b5c9b611f3

      SHA512

      afe9e6209ade2846f31efb7b9977d42b28cd082eb0a4b9c4ba4b9c91d528afbc7efe748be0c78c938d042dc9d200c23d2f0552a7498ab23becac828df53245e7

    • C:\Windows\System64\systemsmss.exe

      Filesize

      5.1MB

      MD5

      bd458a26931f960f13958510e88a61a8

      SHA1

      be9fff29f269d649688e941e97ac03e669571837

      SHA256

      d295538301a5513d3e605e43586e48504ec22f87666a31ef06f697b5c9b611f3

      SHA512

      afe9e6209ade2846f31efb7b9977d42b28cd082eb0a4b9c4ba4b9c91d528afbc7efe748be0c78c938d042dc9d200c23d2f0552a7498ab23becac828df53245e7

    • C:\Windows\System64\vp8decoder.dll

      Filesize

      378KB

      MD5

      d43fa82fab5337ce20ad14650085c5d9

      SHA1

      678aa092075ff65b6815ffc2d8fdc23af8425981

      SHA256

      c022958429edd94bfe31f2eacfe24ff6b45d6f12747725c449a36116373de03b

      SHA512

      103e61a9f58df03316676a074487e50ec518479c11068df3736df139b85c7671048c65bce0ef2c55b3c50c61fde54e9e6c7d1b795aea71263ae94c91d4874e0d

    • C:\Windows\System64\vp8encoder.dll

      Filesize

      1.6MB

      MD5

      dab4646806dfca6d0e0b4d80fa9209d6

      SHA1

      8244dfe22ec2090eee89dad103e6b2002059d16a

      SHA256

      cb6ef96d3a66ef08ec2c8640b751a52d6d4f4530cf01162a69966f0fd5153587

      SHA512

      aa5eb93bf23a10de797d6fb52a55a95d36bc48927c76fedd81e0c48872745cb7f7d1b3f230eaae42fd4e79b6a59ca707e56bd6963b03644cbd5984f11e98d6e7

    • C:\Windows\Zont911\Regedit.reg

      Filesize

      11KB

      MD5

      7919df1ffb1859bd5194633e69ef3e1b

      SHA1

      78cd27482b81d61d9fb62ecdaff6ce14f675a229

      SHA256

      0a41f673973cf63d4b31269d3567c365b190019a52d13bac5127547e64bb9fc1

      SHA512

      7cd5bfc8f58dc14b56b584063865d6dcc7f8e982f3410d5cf3540705160ecd344be8bce23a82e506a5a95b7673aa187e5aa86e3bb0f79e51a51e305a3abb5d9d

    • C:\Windows\Zont911\Tupe.bat

      Filesize

      281B

      MD5

      691f040de6d335962416b319dcd416dc

      SHA1

      db49109c0917910f7fce8b6de690a1c7e2026226

      SHA256

      605d0b9c2fd1972c4ee60d8eefd336be636884dcdf54a4e5f2829c46e80fdcea

      SHA512

      f34ba36bdeaa43a1265ec69acfa0f199f2b4d5d90b4ea890327478f4f48ec7597d660b922dd1e149de3a1ff9b48c79e4c9c53e8a482b4cb5842bc0976f93bf89

    • \Windows\System64\1systemsmss.exe

      Filesize

      6.3MB

      MD5

      22e54983913badd5201e7bcb63691a84

      SHA1

      5fb006efd2ea4cff9f6aca0cd4ce354b9aea405d

      SHA256

      f222a5033229abdd7e841b837a35950b69ffd63a5b7d61bba88e524baaf71eac

      SHA512

      128064d312842bd394ff490291e25cc640dbcab6ab7bd69f87c79cd6e8bbb997c588e2dd722b2af3e7c8da62dcd7039e00c62fd47fd5e79b71fdd742edad84ed

    • \Windows\System64\1systemsmss.exe

      Filesize

      6.3MB

      MD5

      22e54983913badd5201e7bcb63691a84

      SHA1

      5fb006efd2ea4cff9f6aca0cd4ce354b9aea405d

      SHA256

      f222a5033229abdd7e841b837a35950b69ffd63a5b7d61bba88e524baaf71eac

      SHA512

      128064d312842bd394ff490291e25cc640dbcab6ab7bd69f87c79cd6e8bbb997c588e2dd722b2af3e7c8da62dcd7039e00c62fd47fd5e79b71fdd742edad84ed

    • \Windows\System64\1systemsmss.exe

      Filesize

      6.3MB

      MD5

      22e54983913badd5201e7bcb63691a84

      SHA1

      5fb006efd2ea4cff9f6aca0cd4ce354b9aea405d

      SHA256

      f222a5033229abdd7e841b837a35950b69ffd63a5b7d61bba88e524baaf71eac

      SHA512

      128064d312842bd394ff490291e25cc640dbcab6ab7bd69f87c79cd6e8bbb997c588e2dd722b2af3e7c8da62dcd7039e00c62fd47fd5e79b71fdd742edad84ed

    • \Windows\System64\svnhost.exe

      Filesize

      6.0MB

      MD5

      e437e8730f2163cba2552a5a374a885a

      SHA1

      514497f668ae7b80a698bd8cda6de2dcf104e450

      SHA256

      dde1cc7b34ad434fb515b4b315c2ec22a74e3b1b4d50fe83421fab4d6055b3a6

      SHA512

      e924929176c60f00bfd45f0ec991279d4bbb96be4f5f270e636594d4faad681c318cbc9374dd2126170e18f7b4e9db54b193c147b452655c2806921d8c76c445

    • \Windows\System64\systemsmss.exe

      Filesize

      5.1MB

      MD5

      bd458a26931f960f13958510e88a61a8

      SHA1

      be9fff29f269d649688e941e97ac03e669571837

      SHA256

      d295538301a5513d3e605e43586e48504ec22f87666a31ef06f697b5c9b611f3

      SHA512

      afe9e6209ade2846f31efb7b9977d42b28cd082eb0a4b9c4ba4b9c91d528afbc7efe748be0c78c938d042dc9d200c23d2f0552a7498ab23becac828df53245e7

    • \Windows\System64\systemsmss.exe

      Filesize

      5.1MB

      MD5

      bd458a26931f960f13958510e88a61a8

      SHA1

      be9fff29f269d649688e941e97ac03e669571837

      SHA256

      d295538301a5513d3e605e43586e48504ec22f87666a31ef06f697b5c9b611f3

      SHA512

      afe9e6209ade2846f31efb7b9977d42b28cd082eb0a4b9c4ba4b9c91d528afbc7efe748be0c78c938d042dc9d200c23d2f0552a7498ab23becac828df53245e7

    • memory/1612-54-0x00000000763E1000-0x00000000763E3000-memory.dmp

      Filesize

      8KB