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Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/06/2024, 06:25

General

  • Target

    b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe

  • Size

    49KB

  • MD5

    ccff02730a6e77d47591a7aba6cf6e1d

  • SHA1

    2feb1affda81b9aee5ecfd39babe546300e36e7e

  • SHA256

    b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c

  • SHA512

    2e7d88bc0b2bdeceb522befc22eddef3ab49dbb1ec7e2643c66b168855f243a62c80c4f4afb146ce5ec414855ed541b7708de63970e397e38c889de497c80fef

  • SSDEEP

    768:I1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoL31SFUZP5TYi+UAMxkE8:afgLdQAQfcfymNr1dZP5T7lxI

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:3508
      • C:\Users\Admin\AppData\Local\Temp\b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe
        "C:\Users\Admin\AppData\Local\Temp\b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3216
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3A88.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:636
          • C:\Users\Admin\AppData\Local\Temp\b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe
            "C:\Users\Admin\AppData\Local\Temp\b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe"
            4⤵
            • Executes dropped EXE
            PID:4104
        • 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:1640
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1620
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1940

      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

        533ce215a7c274602dc456ca375cef93

        SHA1

        76c502d7c45eca3fd96f6b04eb850e751bc785dd

        SHA256

        d70c9f73bbeed5cbc0df4a4d14bae68789f84d8092281337d2919322b288ce9c

        SHA512

        09d9dee36c48567921de4b7c31c4a822d5f9ed5e0b1cb0330031b320f40b5ba9b15e89dc37d52561094642c0ff16c14d32e81ed5b1dac06150fefbbd6f3365bf

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        e3cafc7557cf7a03b7d8dac8da969d35

        SHA1

        b78ea56fb133598f5cc60176d0d6fafbfde5d966

        SHA256

        edbd4ee1f536fbb25d4920792aed7d91b26b1629fcebad22ca41b69b271595de

        SHA512

        c46a3a9b014a7d158585799590f2c17ce40e0eac938589f0da2b3476f444419925312be8caba3dbde3f7a4b5466062ca319d8f2ab0d10ae6b516ba4fc30b144e

      • 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\$$a3A88.bat

        Filesize

        722B

        MD5

        ded7a424877f47f30ff2f0024a9c822f

        SHA1

        54be4aa463a56ec151213027429da6d960a86c99

        SHA256

        a0591179f8eb7f0c9529d74e505c5c894f8750dd6fac8eac24754a1a1cf5fbce

        SHA512

        b533b660ffa00df91f4f148141269ad10927f3dd6659ef771d5007dc0c042f8171bf8ca0334ac49727680ef3b42b9967407af8e3b0c2a20ca748296851594c26

      • C:\Users\Admin\AppData\Local\Temp\b7c665a943995a9e3df1600d7ca2eeddd0d5d80bc22e03150b590c48aca9984c.exe.exe

        Filesize

        23KB

        MD5

        3c85f5e1f38b3b8176c0580debb48d38

        SHA1

        422e4f21186268066d30ad882ec66ed41c322a5c

        SHA256

        bf12b0043439b9ec8542e60374a4956b21cf300c94a779875f1715a10326353a

        SHA512

        2c8d3375ea1dbfabef36df5e22e22a1204545c86fae81c402abe55628d2b6617099f2713b1dbbcaba81c94d1788de25909ca162fed03a8d161f6008927c61889

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        925efa8e6ec043b04fdaf9e6c9f95b9f

        SHA1

        4bb883e016bdeecc3f21b562df6364944b777ae3

        SHA256

        6513ef9968b68f982fb83460b5919e55470f514db71c3831c2ea5c7b3a2721db

        SHA512

        bf4978b5b10932de14d0c64566768708331f89a815f153323173506aecc296236a22d387b5caceba100c72b44e6b870e879f7350f1abce413bb92d54e70b133e

      • F:\$RECYCLE.BIN\S-1-5-21-4124900551-4068476067-3491212533-1000\_desktop.ini

        Filesize

        9B

        MD5

        2822854d33e24347f613c750df46b810

        SHA1

        c2ea2529c032aa552d5a8301900cf27fc0f6045c

        SHA256

        73f2f888bdeaf9427c7aa3355fbe711e6570fb5e9e48c3f64cd229198ce85ad2

        SHA512

        21fff5d14e03a0420d9242a095c2e93ac2b7e6b9e49d12da907394ac9725bb746896721ceded88411895e9630a8ffbface168f0c02630b33300647d3d9e3326c

      • memory/1640-27-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1640-33-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1640-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1640-20-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1640-1231-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1640-4797-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1640-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1640-5236-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3216-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3216-13-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB