Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16-05-2022 01:48

General

  • Target

    0f2164f4d235938313afcfbd8c660804b219066e6b25b80943fe8d9a2817b8ae.exe

  • Size

    6.3MB

  • MD5

    f9c019b6a0f1ce8802a8aaeea86e496d

  • SHA1

    7f854b600823ec15cd6bb5c912ea3a28f64da16a

  • SHA256

    0f2164f4d235938313afcfbd8c660804b219066e6b25b80943fe8d9a2817b8ae

  • SHA512

    5cb690fc9524678998ad9b022cde4c9ee09e7863e7af52d1d6dab854a30036edb883b9ebe8b7613777aee6d0132a365d17697ae516fd10f88f1162c527b2afae

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\0f2164f4d235938313afcfbd8c660804b219066e6b25b80943fe8d9a2817b8ae.exe
    "C:\Users\Admin\AppData\Local\Temp\0f2164f4d235938313afcfbd8c660804b219066e6b25b80943fe8d9a2817b8ae.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:836
    • C:\Windows\System64\1svnhost.exe
      "C:\Windows\System64\1svnhost.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:1444
      • C:\Windows\SysWOW64\regedit.exe
        "C:\Windows\System32\regedit.exe" /s "C:\Windows\Zont911\Regedit.reg"
        3⤵
        • Runs .reg file with regedit
        PID:1248
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Windows\Zont911\Tupe.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:844
        • C:\Windows\SysWOW64\chcp.com
          Chcp 1251
          4⤵
            PID:964
          • C:\Windows\System64\svnhost.exe
            "C:\Windows\System64\svnhost.exe" /silentinstall
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1932
          • C:\Windows\System64\svnhost.exe
            "C:\Windows\System64\svnhost.exe" /firewall
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1936
          • C:\Windows\System64\svnhost.exe
            "C:\Windows\System64\svnhost.exe" /start
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1612
    • 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:1400
      • C:\Windows\System64\systemsmss.exe
        C:\Windows\System64\systemsmss.exe
        2⤵
        • Executes dropped EXE
        PID:976
      • C:\Windows\System64\systemsmss.exe
        C:\Windows\System64\systemsmss.exe /tray
        2⤵
        • Executes dropped EXE
        PID:1704

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      6.3MB

      MD5

      f9c019b6a0f1ce8802a8aaeea86e496d

      SHA1

      7f854b600823ec15cd6bb5c912ea3a28f64da16a

      SHA256

      0f2164f4d235938313afcfbd8c660804b219066e6b25b80943fe8d9a2817b8ae

      SHA512

      5cb690fc9524678998ad9b022cde4c9ee09e7863e7af52d1d6dab854a30036edb883b9ebe8b7613777aee6d0132a365d17697ae516fd10f88f1162c527b2afae

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

      Filesize

      6.3MB

      MD5

      f9c019b6a0f1ce8802a8aaeea86e496d

      SHA1

      7f854b600823ec15cd6bb5c912ea3a28f64da16a

      SHA256

      0f2164f4d235938313afcfbd8c660804b219066e6b25b80943fe8d9a2817b8ae

      SHA512

      5cb690fc9524678998ad9b022cde4c9ee09e7863e7af52d1d6dab854a30036edb883b9ebe8b7613777aee6d0132a365d17697ae516fd10f88f1162c527b2afae

    • 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

      44e6200c79b9f46a3d07ad377f5518e9

      SHA1

      242c27b3e44bec53a770baba126fc8ec1dd0c066

      SHA256

      2bbb7428d9666fd7fbfa86d01c7c1512016c72eb1a05bf5d6a4589f1c1de1700

      SHA512

      33e4504feacceab47a159123f9d241ff128676dbfd20ce51eae94c12a82faae52566008fc45dd02bc71d5477ca7cd8b6349986e8d727594d52a2f9cb9c75effb

    • C:\Windows\Zont911\Tupe.bat

      Filesize

      278B

      MD5

      bc3fb74a6cbcbb208a35ef91ef1eddf9

      SHA1

      b9e97c0863038d2506123ae53534d2803954a89d

      SHA256

      e351c2afdfe0a3555ce0da5b09913ed353a331e2454cbe0cb9b3ebe3c6fd8f69

      SHA512

      4e91e3ac2bc312a2fe76296012626a2d580848a67f8f358cf78a2d8c29d65d3961f62867d113ba109f138af91209d163f589556e1d291a98fe672ff13d8ab674

    • \Windows\System64\1svnhost.exe

      Filesize

      6.3MB

      MD5

      f9c019b6a0f1ce8802a8aaeea86e496d

      SHA1

      7f854b600823ec15cd6bb5c912ea3a28f64da16a

      SHA256

      0f2164f4d235938313afcfbd8c660804b219066e6b25b80943fe8d9a2817b8ae

      SHA512

      5cb690fc9524678998ad9b022cde4c9ee09e7863e7af52d1d6dab854a30036edb883b9ebe8b7613777aee6d0132a365d17697ae516fd10f88f1162c527b2afae

    • \Windows\System64\1svnhost.exe

      Filesize

      6.3MB

      MD5

      f9c019b6a0f1ce8802a8aaeea86e496d

      SHA1

      7f854b600823ec15cd6bb5c912ea3a28f64da16a

      SHA256

      0f2164f4d235938313afcfbd8c660804b219066e6b25b80943fe8d9a2817b8ae

      SHA512

      5cb690fc9524678998ad9b022cde4c9ee09e7863e7af52d1d6dab854a30036edb883b9ebe8b7613777aee6d0132a365d17697ae516fd10f88f1162c527b2afae

    • \Windows\System64\1svnhost.exe

      Filesize

      6.3MB

      MD5

      f9c019b6a0f1ce8802a8aaeea86e496d

      SHA1

      7f854b600823ec15cd6bb5c912ea3a28f64da16a

      SHA256

      0f2164f4d235938313afcfbd8c660804b219066e6b25b80943fe8d9a2817b8ae

      SHA512

      5cb690fc9524678998ad9b022cde4c9ee09e7863e7af52d1d6dab854a30036edb883b9ebe8b7613777aee6d0132a365d17697ae516fd10f88f1162c527b2afae

    • \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/836-54-0x0000000075381000-0x0000000075383000-memory.dmp

      Filesize

      8KB