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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2024, 22:49

General

  • Target

    a33ff0fbf40f2a77a95b70ba499d0efe12131b471f27efe68509fbe2ba287a47.exe

  • Size

    660KB

  • MD5

    0d9c90532c6ddcc0db641042fe66e031

  • SHA1

    3ef0d8fd2c2e44feef74ed8a24921ac1f8ea1d2c

  • SHA256

    a33ff0fbf40f2a77a95b70ba499d0efe12131b471f27efe68509fbe2ba287a47

  • SHA512

    72c7861fa2c1d9fe388446ae88d6c38ff5a7ce15674b57674a48340b1116eeecbfa269cacce4070ba9010f0fe7573da9f470a6f6a64f7ac97d3ef61bca6d5975

  • SSDEEP

    12288:Pp7+znMwHskY7gjcjhVIEhqgM7bWvcsi6aVtrIyzU40vy3W/ceKSHMsiFyY6XN9:R7SMysZgjS1hqgSC/izJfojymk4HM5yJ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3548
      • C:\Users\Admin\AppData\Local\Temp\a33ff0fbf40f2a77a95b70ba499d0efe12131b471f27efe68509fbe2ba287a47.exe
        "C:\Users\Admin\AppData\Local\Temp\a33ff0fbf40f2a77a95b70ba499d0efe12131b471f27efe68509fbe2ba287a47.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2912
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a9FDA.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4536
          • C:\Users\Admin\AppData\Local\Temp\a33ff0fbf40f2a77a95b70ba499d0efe12131b471f27efe68509fbe2ba287a47.exe
            "C:\Users\Admin\AppData\Local\Temp\a33ff0fbf40f2a77a95b70ba499d0efe12131b471f27efe68509fbe2ba287a47.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4060
            • C:\Windows\Temp\{04914086-D053-41D8-9261-093309D654D8}\.cr\a33ff0fbf40f2a77a95b70ba499d0efe12131b471f27efe68509fbe2ba287a47.exe
              "C:\Windows\Temp\{04914086-D053-41D8-9261-093309D654D8}\.cr\a33ff0fbf40f2a77a95b70ba499d0efe12131b471f27efe68509fbe2ba287a47.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\a33ff0fbf40f2a77a95b70ba499d0efe12131b471f27efe68509fbe2ba287a47.exe" -burn.filehandle.attached=696 -burn.filehandle.self=708
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:1640
        • 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:3632
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:800
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2428

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

        Filesize

        244KB

        MD5

        9d4a29eefed1fc12bebbcf8613959469

        SHA1

        59b9066045419a0744e209cb0f486a984126bd4a

        SHA256

        59b2d265b4fa5bebeea92f2a96ab5b949a3ccf693264221afcdf89c29fe206eb

        SHA512

        0c0608ffaff44762c6da01bf23098e930d76f20119e5b2401b1a5e988adf3f50405ae1f3f120f38a9fb90d4dfcc3a90c92b255113385d30c8870ad91766b5e5a

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        65e5b6ca57a080984d8f7e46e8b5848c

        SHA1

        0c9cadcbb755b8a38f85a7e1f37a76b74037e328

        SHA256

        91cba48ba8fc7b9c3c417b8087cb091791fc6657f68297285297e9c0ce9dfa0f

        SHA512

        f42d9d3476b357cf827a6dc2dd8b1e01ceb73284cc05cd59ba6d770a91db02b2ff29a50391b84216070737a75a86236480c562ab9584d305aec47d229f3904db

      • C:\Users\Admin\AppData\Local\Temp\$$a9FDA.bat

        Filesize

        722B

        MD5

        5d86c3c27811be176b6fdcf15e0b3be0

        SHA1

        92f95cd31278bada06fa1495ebe95ea1a5627b34

        SHA256

        a0d06f021bba67c3508d40722a2a27f0695d3b9fa9c6a437700f09ff61011c19

        SHA512

        bec55a227ecd402f71693a1c9dd7a29b9eedb5c527211ce81156f21241e1fcef05616e745234890b042476e21b10375f47d76b0f6a4f7135d1eeda9d85c320c9

      • C:\Users\Admin\AppData\Local\Temp\a33ff0fbf40f2a77a95b70ba499d0efe12131b471f27efe68509fbe2ba287a47.exe.exe

        Filesize

        634KB

        MD5

        3cfb3ae4a227ece66ce051e42cc2df00

        SHA1

        0a2bb202c5ce2aa8f5cda30676aece9a489fd725

        SHA256

        54fbe7fdf0fd2e95c38822074e77907e6a3c8726e4ab38d2222deeffa6c0ccaf

        SHA512

        60d808d08afd4920583e540c3740d71e4f9dc5b16a0696537fea243cb8a79fb1df36004f560742a541761b0378bf0b5bc5be88569cd828a11afe9c3d61d9d4f1

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        aaffa63d279b442bf6447d8e27477be7

        SHA1

        ce128e98423d5e0dd1b35c0e8e8eb854d5599a0f

        SHA256

        acca897ac28f597801df59bd1343785f7bea8c1013821c44d2f1878ee5ef1488

        SHA512

        b8521588339c507b10c473aaa8aca314598962588da0014b00f413f9874a425534eb20260ed39484728bd4466fb3d7f516b6cfccc56d51e026f5365030b81c26

      • C:\Windows\Temp\{BF88257C-00FA-43D0-94F3-E916FA36F099}\.ba\logo.png

        Filesize

        1KB

        MD5

        d6bd210f227442b3362493d046cea233

        SHA1

        ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

        SHA256

        335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

        SHA512

        464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

      • C:\Windows\Temp\{BF88257C-00FA-43D0-94F3-E916FA36F099}\.ba\wixstdba.dll

        Filesize

        191KB

        MD5

        eab9caf4277829abdf6223ec1efa0edd

        SHA1

        74862ecf349a9bedd32699f2a7a4e00b4727543d

        SHA256

        a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

        SHA512

        45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

      • F:\$RECYCLE.BIN\S-1-5-21-2636447293-1148739154-93880854-1000\_desktop.ini

        Filesize

        9B

        MD5

        1368e4d784ef82633de86fa6bc6e37f9

        SHA1

        77c7384e886b27647bb4f2fd364e7947e7b6abc6

        SHA256

        57507bed6cf91d70e66bd4cc287634889ef30b648cb7c44a4edec0e2cb68b772

        SHA512

        3cb7168e776eb564768e30eba43174014a85108ab306a7c07a1522fb42173c381a5bff9ac10944fd345dd5308061cbe2878c60d1e878f8768281c1adcf5dd85b

      • memory/2912-10-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2912-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3632-67-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3632-80-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3632-84-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3632-74-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3632-339-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3632-1281-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3632-11-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3632-4845-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3632-5290-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB