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Analysis

  • max time kernel
    149s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 12:21

General

  • Target

    768106df29c5fca7a1df9657b01b3280_NEAS.exe

  • Size

    3.5MB

  • MD5

    768106df29c5fca7a1df9657b01b3280

  • SHA1

    3420c9b300a7106804fdbec5742e5e169c25c512

  • SHA256

    4856b04d5c3d34f7003de041a91fc68bac6fddd2790b8a87c15daad71372c28d

  • SHA512

    a95861db0487a22a129c80f026ff9c507608627ebec2b38aea9d433c2991e9d88d8265d0e5c31353b59e089acf175facab85e9253863eee65fa935256eecc323

  • SSDEEP

    49152:/7vqDX/P1B1/YPAlT16OGRgl//YP5AbT1X9IL1EzstjprUUIuwZm5pQzv7DnebMp:LqDf2zOG6l/goT1XqizshqUIXupQzT

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:3500
      • C:\Users\Admin\AppData\Local\Temp\768106df29c5fca7a1df9657b01b3280_NEAS.exe
        "C:\Users\Admin\AppData\Local\Temp\768106df29c5fca7a1df9657b01b3280_NEAS.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a41FA.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:708
          • C:\Users\Admin\AppData\Local\Temp\768106df29c5fca7a1df9657b01b3280_NEAS.exe
            "C:\Users\Admin\AppData\Local\Temp\768106df29c5fca7a1df9657b01b3280_NEAS.exe"
            4⤵
            • Executes dropped EXE
            PID:4500
        • 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:3340
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4360
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:3188

      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

        d8a3f2741f1675231650934cca515c01

        SHA1

        3ddc271810832c5d55d0cf751c279f6e6d5d2572

        SHA256

        a006f6a5ca526228cbcb8ccbb3cd1b4ee25ea512871e88bd0bb73f9359777369

        SHA512

        f293c234195182481fff2db32ae13fc2b7bddd0d60b034fc87c4aeeeb1833de7b6aaf5d70ac852bc9d2477fe34ad4997c53b8f32b0fbd8c98507a89b36465211

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        72f7a6b6cba11fdc4a13bc8b40f56cef

        SHA1

        b4108bde9ab9ee9975cbbf54385c86f305cd6fed

        SHA256

        9728a99b70b4457f0071f2238d5bc5d23337dfae6f027a9fc71963f40c0dd5fc

        SHA512

        2ca4d0bab5c00737a1da744125d5d08b3bd1c360b5d408000cdfedebeb2a51528eb88eba5f8f5f617dceef14ef6374baf77889cf7dec050b80a977ef75ac4ff7

      • 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\$$a41FA.bat

        Filesize

        560B

        MD5

        03558499318a6b431dfd1bfe353d5726

        SHA1

        e0d9f27d9ad0bbd671d256a34bd7a5807eb68651

        SHA256

        26a15d43e653907ffcc0b913dfd98663779128f838bd9df17262cafd1dc3261a

        SHA512

        1299d0c33f3ac23a5fced5f7028ce375e43fdfc35bcaca31672ce372f95cbe03278987df9eba9ef180b47901e14e9d7cccece27f48c18fced5ff5d817d95aec3

      • C:\Users\Admin\AppData\Local\Temp\768106df29c5fca7a1df9657b01b3280_NEAS.exe.exe

        Filesize

        3.4MB

        MD5

        814106ba3874f836c45954696af97962

        SHA1

        e22dc70efe5e09cd80cf796bdeb95ed8083985e2

        SHA256

        15f98d5037e363d1304d266af85866be213862285d3fb3f0aa400a4c625fbb7e

        SHA512

        12340f6978ba78d778fba83d38b21e42428aa9d31eee78ce1b9a19cd51c765148fea63a0e5e8ae730a08bf2ab8550fdbeda3bf6a88510df5935c22398b45effe

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        f141fdb25b30a85be9d04127b4a9d6f1

        SHA1

        177e0cf8614179bb12ac6fd5d3beb94dbcafa0b3

        SHA256

        728ca9ca860cf5bb59b1dda2e341f8dfbf5e6ef68ef932e368d41e5bcd098b98

        SHA512

        eabda2847c89ed52aaae96dee9d4d01e949c42f6e5874ce1ff864ccefe21d9ff8bb57d785fc90f9140f4c9751813201ebc2e4821f14ceae20aa9982f5492165c

      • F:\$RECYCLE.BIN\S-1-5-21-2818691465-3043947619-2475182763-1000\_desktop.ini

        Filesize

        8B

        MD5

        4e8103aaf92b5d6abdcdd5fcfdd0ee98

        SHA1

        5e112ca3ca7335ca96c8635a5edc1e488dc0334e

        SHA256

        c22c9cdc7022f1a37fa581dd2f270bfdef9c020ecb64ab36f9f82edabee9e5be

        SHA512

        61099b199e29064b5aad505311746081b9b5ee5b76487ddff1eaf9dfbddb8461677dca70dc04cfc8beadfbafc8a7af4d06d905d0fceb0d8793ace0358d226aea

      • memory/2192-10-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2192-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3340-27-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3340-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3340-34-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3340-1237-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3340-20-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3340-4803-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3340-11-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3340-5266-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB