Analysis

  • max time kernel
    122s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 04:00

General

  • Target

    file.exe

  • Size

    251KB

  • MD5

    14be53af83fa482be458bb963ab0375a

  • SHA1

    932e2efaa79e98e7717f83c22ffd40a18d9f5202

  • SHA256

    d66349fd06be15422c5e95e15be4e486cba94fd1339a370f0c8b3b90cef148d5

  • SHA512

    677004f40ecb23c7dab0a94311d19e809d3626fd76cbf747e5f086e478e88314f47ebcaefde15d7ac05a9f411f08690e309ffe71882f75d5f5a5e1f49049bc3e

  • SSDEEP

    3072:ZIm9JsLZlsFEF7SG1t0uQSMScAzaZfO+IWRMqT922y6BzukSkwhzjP7ah5WkV:gLTcEF7WRS4iqT92/6BzuAwhz/xk

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\8303626924.exe"
      2⤵
        PID:2652
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\6889342975.exe"
        2⤵
          PID:2804
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\5157353828.exe"
          2⤵
            PID:2628
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\0988140559.exe"
            2⤵
              PID:2932
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c taskkill /im "file.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\file.exe" & exit
              2⤵
              • Deletes itself
              • Suspicious use of WriteProcessMemory
              PID:2824
              • C:\Windows\SysWOW64\taskkill.exe
                taskkill /im "file.exe" /f
                3⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:2732

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\0988140559.exe

            Filesize

            31B

            MD5

            14bd4840f258f302f7e5e26f7760d756

            SHA1

            fea8b87644d13e0007c75c6a33b981e4a544f0d3

            SHA256

            8826bedef4ca1423979859bbfa57c882780d4e59394bd4dabcf1ae878aa8373e

            SHA512

            b2016191add2ffc492a32a8c0c42ecb87f7494a909dabf5cc4fd01b857310e4583ec00a98c6fe2720791db2a51919086eec4d35c39c2d24f92279acfb3cf9cb6

          • memory/1700-0-0x0000000000260000-0x0000000000284000-memory.dmp

            Filesize

            144KB

          • memory/1700-1-0x0000000002090000-0x00000000020CE000-memory.dmp

            Filesize

            248KB

          • memory/1700-2-0x0000000000400000-0x000000000208B000-memory.dmp

            Filesize

            28.5MB

          • memory/1700-23-0x0000000000400000-0x000000000208B000-memory.dmp

            Filesize

            28.5MB

          • memory/1700-24-0x0000000002090000-0x00000000020CE000-memory.dmp

            Filesize

            248KB

          • memory/1700-25-0x0000000000260000-0x0000000000284000-memory.dmp

            Filesize

            144KB