Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 03:18

General

  • Target

    50db4b6d47d6ee250bdd29ded1494975ea7786c200375a588d537cec2470fdfa.exe

  • Size

    198KB

  • MD5

    99b47abf81854e17c735e3e31335a6d6

  • SHA1

    42edecb5b007ec65b57f7fb5de05bd591416183d

  • SHA256

    50db4b6d47d6ee250bdd29ded1494975ea7786c200375a588d537cec2470fdfa

  • SHA512

    a1e583b9ae3988429df71044a926970536ae1d6ebeb65d5352f8ac31e10c191cc13443a04d95e01f81c871d3b1e88d9805649c5ecf89e5c4cd359be3f84c62dc

  • SSDEEP

    3072:mftffjmNvV+jEciNTtJ4StA5UdkrNoMO7ibp/:eVfjmNvV+EcItvUrOMO7ibp

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 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3520
      • C:\Users\Admin\AppData\Local\Temp\50db4b6d47d6ee250bdd29ded1494975ea7786c200375a588d537cec2470fdfa.exe
        "C:\Users\Admin\AppData\Local\Temp\50db4b6d47d6ee250bdd29ded1494975ea7786c200375a588d537cec2470fdfa.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4712
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3CDA.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3640
          • C:\Users\Admin\AppData\Local\Temp\50db4b6d47d6ee250bdd29ded1494975ea7786c200375a588d537cec2470fdfa.exe
            "C:\Users\Admin\AppData\Local\Temp\50db4b6d47d6ee250bdd29ded1494975ea7786c200375a588d537cec2470fdfa.exe"
            4⤵
            • Executes dropped EXE
            PID:3568
        • 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:1616
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:228
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:560

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        251KB

        MD5

        88ba822de7a42e1f02244644aaff2acb

        SHA1

        abf7bfdb2dc02fafbcf3fb9f78ee37d6fece441b

        SHA256

        5d907f41150eba00c206a1c08a44df023db9697494d6b58e4f81de810982ab0e

        SHA512

        6c95d200afb3d0fd574407a77bf1b07de7cd18684598ff2b8face4ab4bd56f0212030dff0c2bb0813b6599ffebcbec2cdb39c7f9e70d2724babe0740bace3fd0

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        a05df7d442c1bee78809c1ed9105a861

        SHA1

        7fa7e00656a2653c6e7e2a0f71abeb48cddb67ad

        SHA256

        4e82aa6253a8f06e4949185731e6c7641e4adf2157fa2b74f50946fea9b79af7

        SHA512

        d7decaf867b76bae96a65c9e4a2857dfb400b3a3176d088ec262edc72a2bdd4e8c44ba36699ce24a97894b3d3150db89239dfd4774c4057ea882238e18b164d4

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

        Filesize

        636KB

        MD5

        2500f702e2b9632127c14e4eaae5d424

        SHA1

        8726fef12958265214eeb58001c995629834b13a

        SHA256

        82e5b0001f025ca3b8409c98e4fb06c119c68de1e4ef60a156360cb4ef61d19c

        SHA512

        f420c62fa1f6897f51dd7a0f0e910fb54ad14d51973a2d4840eeea0448c860bf83493fb1c07be65f731efc39e19f8a99886c8cfd058cee482fe52d255a33a55c

      • C:\Users\Admin\AppData\Local\Temp\$$a3CDA.bat

        Filesize

        722B

        MD5

        0fee0869159a0851cd304db9e24dc1cf

        SHA1

        facb018c6c098097ddd22c3a01dd3b864fa44bce

        SHA256

        5fb01b51b2d9a45f9e9b6eb8cdc4b4e47bbf94e801dd5538be15cc4c12d2fda4

        SHA512

        bf2df48ebb092cad4595af9222f1ed585ab721f0a172e485f84f47acf624e8dfd0f8a374142b2d4f37ba214e11d63737662f69e37f1276575fd51929bacfa90f

      • C:\Users\Admin\AppData\Local\Temp\50db4b6d47d6ee250bdd29ded1494975ea7786c200375a588d537cec2470fdfa.exe.exe

        Filesize

        171KB

        MD5

        982d6239748d730c26bdd99cb3811b50

        SHA1

        ae930e0eda47bffa2cd55bcb701f47fd38b9f64d

        SHA256

        2d471ecc0a7f16be9f473aeb3c3b0453e381454460b24f9a03659f2077e648ab

        SHA512

        8ca0b20f8311b252391f52f325510b3d4ede6143359091c3e19753c8642022639dac023f31eb018da376f2f327cfd80ec5ed1e487c012838f864b786901c1ac6

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        b92134f69d03e7b0b2a302aa33e00411

        SHA1

        0df5f0345c347fcecae91e21f66ae9ca235d1e8d

        SHA256

        5bf27156970c49ad3c066689a9117b0ca2f4bb12187059e378e916a1b3cac930

        SHA512

        348c223e0159d783017d1f142de608df5997008c6c5665005fb4be8f20054b34bbe79736c05b12eeb303414c63ae10a198b8e91855c78a1a2d5fbf71c452d08e

      • F:\$RECYCLE.BIN\S-1-5-21-355664440-2199602304-1223909400-1000\_desktop.ini

        Filesize

        9B

        MD5

        7ef570b2b21e58fd906ef1a980d64425

        SHA1

        18502489f652e74f8972bbfa100d5c163d719ab7

        SHA256

        c3ce1b9216b58ac7d9ed3b93e5e3a1d6a2473b53b5bc1f008a621def49517055

        SHA512

        e1175d861a79d62b85cd18661375f1c956dcc97e958765dc225f3aa4b0f0100ca9e17b9c61f5e18fc2a96e5167c0563f60645033aff1be1ec2f372c1b9a8b35f

      • memory/1616-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1616-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1616-36-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1616-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1616-1226-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1616-12-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1616-4792-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1616-5231-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4712-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4712-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB