Analysis

  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 07:14

General

  • Target

    442cfc1f53d58fafd2a6fce56dbf223690ceb07bf6e09d4ec491e02c64ba4116.exe

  • Size

    485KB

  • MD5

    58e913a61f46b86bc73a346616095147

  • SHA1

    98b9c2bd2c985a03ed67bd0424f0b58dd9fce18a

  • SHA256

    442cfc1f53d58fafd2a6fce56dbf223690ceb07bf6e09d4ec491e02c64ba4116

  • SHA512

    4e3d9a3ab6c93d7669c5e93263aee925ed896bea1f1e0d60f7e39dcdefab28f11949b99c664816168171ed108952bd96a585d4f7b4da1d4878b087fb31d60577

  • SSDEEP

    6144:5Fpuz1gL5pRTMTTjMkId/BynSx7dEe6XwzRaktNP08NhKs39zo43fTtl1fayCV7E:zpo1gL5pRTcAkS/3hzN8qE43fm78V

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3444
      • C:\Users\Admin\AppData\Local\Temp\442cfc1f53d58fafd2a6fce56dbf223690ceb07bf6e09d4ec491e02c64ba4116.exe
        "C:\Users\Admin\AppData\Local\Temp\442cfc1f53d58fafd2a6fce56dbf223690ceb07bf6e09d4ec491e02c64ba4116.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:540
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4DF1.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:224
          • C:\Users\Admin\AppData\Local\Temp\442cfc1f53d58fafd2a6fce56dbf223690ceb07bf6e09d4ec491e02c64ba4116.exe
            "C:\Users\Admin\AppData\Local\Temp\442cfc1f53d58fafd2a6fce56dbf223690ceb07bf6e09d4ec491e02c64ba4116.exe"
            4⤵
            • Executes dropped EXE
            PID:2796
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4008
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2628
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4988

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files\7-Zip\7z.exe

              Filesize

              571KB

              MD5

              e4682c68705cddf982b9c835cd38f148

              SHA1

              5a0b626331e5d49d6661fd6e9a3e6f07d012b833

              SHA256

              067fddbc2f6260634fca511f6ee290cd4185a395f2419ef4f1ca09d33f5e4377

              SHA512

              93b91f4a17b1016845e4ec5757e0ed95fb6acee71ca2f02d1eac484a1508ee10badbd94e93e317fd272301b85238e3eca19e322bae9fcb8159ef5797b345d685

            • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

              Filesize

              637KB

              MD5

              9cba1e86016b20490fff38fb45ff4963

              SHA1

              378720d36869d50d06e9ffeef87488fbc2a8c8f7

              SHA256

              a22e6d0f5c7d44fefc2204e0f7c7b048e1684f6cf249ba98c006bbf791c22d19

              SHA512

              2f3737d29ea3925d10ea5c717786425f6434be732974586328f03691a35cd1539828e3301685749e5c4135b8094f15b87fb9659915de63678a25749e2f8f5765

            • C:\Users\Admin\AppData\Local\Temp\$$a4DF1.bat

              Filesize

              722B

              MD5

              ed474d90691f7473950b896669220207

              SHA1

              e126a24f144fc5abcbf0ac9fea724a3cfab26eab

              SHA256

              d4c9f88c5f1b31745341866de73e6b5adeabb4eedefcad93bfa731d0438ee008

              SHA512

              c15587aa7229b9ca2690bed641ca4cf73c0c93ff5078b8199e726ecfe98373540b71306f60b6f2216d40f2349545d17384dcceb019ac2e279205f037dd1124cd

            • C:\Users\Admin\AppData\Local\Temp\442cfc1f53d58fafd2a6fce56dbf223690ceb07bf6e09d4ec491e02c64ba4116.exe.exe

              Filesize

              458KB

              MD5

              619f7135621b50fd1900ff24aade1524

              SHA1

              6c7ea8bbd435163ae3945cbef30ef6b9872a4591

              SHA256

              344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

              SHA512

              2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

            • C:\Windows\Logo1_.exe

              Filesize

              27KB

              MD5

              f6f516547fdbd904c17fd182506da5b8

              SHA1

              6a85326d63024f1c8768c866e61700b5694a023f

              SHA256

              72c203f92bed415ca54d7f225bd16016c342d20e339f58b06d9fcaeecd931aac

              SHA512

              5abb976928ce8ecc61ff825522ae636139cda0d1f1b8672652eec7e899778787626524692510be0a7e6990bbd11e799ba6d4890d93531b9404de83019b5a49da

            • F:\$RECYCLE.BIN\S-1-5-21-2288054676-1871194608-3559553667-1000\_desktop.ini

              Filesize

              9B

              MD5

              c59aab012a570d8b20f60efcafb272be

              SHA1

              709df64d9a23340c6bc42f2bf8dfdca512bff2e0

              SHA256

              8a349242c7461f8fccc029421cd051ef8f140a8e3738d348a2354a3d5b9de220

              SHA512

              8c3f67dc02beaca59f0deaa4d8e33bc385b19df02d2a8b905b47148e21919f7d059f3883f02dad25a0d11dc807343390114753a7918171720d8cd72e84239e17

            • memory/540-0-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/540-12-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/4008-26-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/4008-32-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/4008-36-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/4008-19-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/4008-100-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/4008-1227-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/4008-4792-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/4008-9-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/4008-5231-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB