Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 13:41

General

  • Target

    84d34cc3b14341a319c79d5e4dcc65b0ca3be1217eb7a30a22484e19768fef20.exe

  • Size

    6.2MB

  • MD5

    6fbe23c223dd331bf3e51fc1e2cd747f

  • SHA1

    1851456582508c0040ce403a3c82f92e355ef12f

  • SHA256

    84d34cc3b14341a319c79d5e4dcc65b0ca3be1217eb7a30a22484e19768fef20

  • SHA512

    ffe3dfbb322974a75cf0be23406ea1c30682960542989b3e919b29e29429f11f24326345caf06700d96f8c21954bf5f141280bd5bb6bc0213b0f5a05cb6261da

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\84d34cc3b14341a319c79d5e4dcc65b0ca3be1217eb7a30a22484e19768fef20.exe
    "C:\Users\Admin\AppData\Local\Temp\84d34cc3b14341a319c79d5e4dcc65b0ca3be1217eb7a30a22484e19768fef20.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:2044
    • 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:944
      • C:\Windows\SysWOW64\regedit.exe
        "C:\Windows\System32\regedit.exe" /s "C:\Windows\Zont911\Regedit.reg"
        3⤵
        • Runs .reg file with regedit
        PID:1724
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Windows\Zont911\Tupe.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1624
        • C:\Windows\SysWOW64\chcp.com
          Chcp 1251
          4⤵
            PID:1468
          • C:\Windows\System64\svnhost.exe
            "C:\Windows\System64\svnhost.exe" /silentinstall
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1016
          • C:\Windows\System64\svnhost.exe
            "C:\Windows\System64\svnhost.exe" /firewall
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1876
          • C:\Windows\System64\svnhost.exe
            "C:\Windows\System64\svnhost.exe" /start
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1580
    • 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:1712
      • C:\Windows\System64\systemsmss.exe
        C:\Windows\System64\systemsmss.exe /tray
        2⤵
        • Executes dropped EXE
        PID:828
      • C:\Windows\System64\systemsmss.exe
        C:\Windows\System64\systemsmss.exe
        2⤵
        • Executes dropped EXE
        PID:624

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      6.2MB

      MD5

      6fbe23c223dd331bf3e51fc1e2cd747f

      SHA1

      1851456582508c0040ce403a3c82f92e355ef12f

      SHA256

      84d34cc3b14341a319c79d5e4dcc65b0ca3be1217eb7a30a22484e19768fef20

      SHA512

      ffe3dfbb322974a75cf0be23406ea1c30682960542989b3e919b29e29429f11f24326345caf06700d96f8c21954bf5f141280bd5bb6bc0213b0f5a05cb6261da

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

      Filesize

      6.2MB

      MD5

      6fbe23c223dd331bf3e51fc1e2cd747f

      SHA1

      1851456582508c0040ce403a3c82f92e355ef12f

      SHA256

      84d34cc3b14341a319c79d5e4dcc65b0ca3be1217eb7a30a22484e19768fef20

      SHA512

      ffe3dfbb322974a75cf0be23406ea1c30682960542989b3e919b29e29429f11f24326345caf06700d96f8c21954bf5f141280bd5bb6bc0213b0f5a05cb6261da

    • 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

      7e26ea805c6312823e4d3332151ef106

      SHA1

      ea9b5c8baaeb7915db72ad24c94629a57b40d3df

      SHA256

      27d546fbd9b2a28a90e4cd2602918bb363d40ec8c4cfb0c535bfdff05b5fbb60

      SHA512

      3a3449867903204913679abe3b5d9e670897f7c90db2e5d0976dd901d6c5dba2996c062da01c53d2b38caab36f5dbdf58f28488b2452689c14296ea311b1ca19

    • C:\Windows\Zont911\Tupe.bat

      Filesize

      281B

      MD5

      691f040de6d335962416b319dcd416dc

      SHA1

      db49109c0917910f7fce8b6de690a1c7e2026226

      SHA256

      605d0b9c2fd1972c4ee60d8eefd336be636884dcdf54a4e5f2829c46e80fdcea

      SHA512

      f34ba36bdeaa43a1265ec69acfa0f199f2b4d5d90b4ea890327478f4f48ec7597d660b922dd1e149de3a1ff9b48c79e4c9c53e8a482b4cb5842bc0976f93bf89

    • \Windows\System64\1systemsmss.exe

      Filesize

      6.2MB

      MD5

      6fbe23c223dd331bf3e51fc1e2cd747f

      SHA1

      1851456582508c0040ce403a3c82f92e355ef12f

      SHA256

      84d34cc3b14341a319c79d5e4dcc65b0ca3be1217eb7a30a22484e19768fef20

      SHA512

      ffe3dfbb322974a75cf0be23406ea1c30682960542989b3e919b29e29429f11f24326345caf06700d96f8c21954bf5f141280bd5bb6bc0213b0f5a05cb6261da

    • \Windows\System64\1systemsmss.exe

      Filesize

      6.2MB

      MD5

      6fbe23c223dd331bf3e51fc1e2cd747f

      SHA1

      1851456582508c0040ce403a3c82f92e355ef12f

      SHA256

      84d34cc3b14341a319c79d5e4dcc65b0ca3be1217eb7a30a22484e19768fef20

      SHA512

      ffe3dfbb322974a75cf0be23406ea1c30682960542989b3e919b29e29429f11f24326345caf06700d96f8c21954bf5f141280bd5bb6bc0213b0f5a05cb6261da

    • \Windows\System64\1systemsmss.exe

      Filesize

      6.2MB

      MD5

      6fbe23c223dd331bf3e51fc1e2cd747f

      SHA1

      1851456582508c0040ce403a3c82f92e355ef12f

      SHA256

      84d34cc3b14341a319c79d5e4dcc65b0ca3be1217eb7a30a22484e19768fef20

      SHA512

      ffe3dfbb322974a75cf0be23406ea1c30682960542989b3e919b29e29429f11f24326345caf06700d96f8c21954bf5f141280bd5bb6bc0213b0f5a05cb6261da

    • \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/2044-54-0x0000000075441000-0x0000000075443000-memory.dmp

      Filesize

      8KB