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Analysis

  • max time kernel
    150s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 23:52

General

  • Target

    bc491264da8e771d4a54f8a1df664d2caf3d2b0ed5cc3ce8a9fa8421b97c8b92.exe

  • Size

    41KB

  • MD5

    1913375580b62895ab8b610c734cc04c

  • SHA1

    600fa438f355f803b13da1bb55066fea3c64f959

  • SHA256

    bc491264da8e771d4a54f8a1df664d2caf3d2b0ed5cc3ce8a9fa8421b97c8b92

  • SHA512

    63fe4029d77bbcb7845dd6a4cb2c4ce5675512444722972bfe028edf4021ed75c728a15c077c8010d981bd7231d4f7a64cb17b7f0f2dc19bb8480b14a5cc3fb8

  • SSDEEP

    768:sU16GVRu1yK9fMFLKaTxsujCT7pZpYIWQ3655Kv1X/qY1MSd:s+3SHmLKarIpYIHqaNrFd

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:3372
      • C:\Users\Admin\AppData\Local\Temp\bc491264da8e771d4a54f8a1df664d2caf3d2b0ed5cc3ce8a9fa8421b97c8b92.exe
        "C:\Users\Admin\AppData\Local\Temp\bc491264da8e771d4a54f8a1df664d2caf3d2b0ed5cc3ce8a9fa8421b97c8b92.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1652
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a51C9.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2288
          • C:\Users\Admin\AppData\Local\Temp\bc491264da8e771d4a54f8a1df664d2caf3d2b0ed5cc3ce8a9fa8421b97c8b92.exe
            "C:\Users\Admin\AppData\Local\Temp\bc491264da8e771d4a54f8a1df664d2caf3d2b0ed5cc3ce8a9fa8421b97c8b92.exe"
            4⤵
            • Executes dropped EXE
            PID:220
        • 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:2700
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1692
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4840

      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

        252KB

        MD5

        970c9faffeef4a686a5e8a308a4800c5

        SHA1

        88c9365a2bf84bb7ee7695bef211f26eaf61e154

        SHA256

        3ba0a07458d09c252ebe8d3ce4ee35c56605cda7e8a99cc07ea90caa334bf239

        SHA512

        20031aba5855426a24c218e7ec09214addb9a58376f3a200b7a9de619efba860e319066b2b7992f6cbab617fcf947f8c39549789402128792c25bda23fd97334

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        571KB

        MD5

        82afa7d29c6b5a174c20a46a82ca5373

        SHA1

        4ad982215dc0f60221ba3c14d4f5c7c11a4bf066

        SHA256

        81e9aca35afcb1236486714ddb1c830e4a65af10eb00f735c01d41b1d65e1331

        SHA512

        bfcdfe1474599e14b93ed4a0ecb891b7ddf46d17f41fb93f5f50a7a5aa49cd9ed6ea219f9e24f9c45bf590ee1a3e4c288b39a73510c8c9da06f2816b65d72a1a

      • 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\$$a51C9.bat

        Filesize

        722B

        MD5

        94f955eaf1e7d4f7e4447e7c68c8f18c

        SHA1

        b6eab3bc0b3d196340aa2a31e4c56636da2151a3

        SHA256

        c89fde85e95f27afdc9eebdc3e3b328e8a34a34b388d87da2d80980f7503c724

        SHA512

        f55dbff69d1b0850d41f7f4a9ba86bec4b193098306d16322377cc2286973d2be80dda86b88b5f0027053fc930c1e18c407bf6be3916dd4d003c3c4d6e3e57f5

      • C:\Users\Admin\AppData\Local\Temp\bc491264da8e771d4a54f8a1df664d2caf3d2b0ed5cc3ce8a9fa8421b97c8b92.exe.exe

        Filesize

        14KB

        MD5

        ad782ffac62e14e2269bf1379bccbaae

        SHA1

        9539773b550e902a35764574a2be2d05bc0d8afc

        SHA256

        1c8a77db924ebeb952052334dc95add388700c02b073b07973cd8fe0a0a360b8

        SHA512

        a1e9d6316ffc55f4751090961733e98c93b2a391666ff50b50e9dea39783746e501d14127e7ee9343926976d7e3cd224f13736530354d8466ea995dab35c8dc2

      • C:\Windows\Logo1_.exe

        Filesize

        27KB

        MD5

        422eae1d27a7238ebf01a9a472b69126

        SHA1

        3db844e50f22bd66486eab06235effaeefc1ab5e

        SHA256

        02f4bf41aa6efbc2a49158fe1da4dbfadc09b0ff26e0c9553b593d527e771ed6

        SHA512

        36ce4fa5d259ba1e68dd097a154a6ba2bddf4ad37d563600eef0dfad80c08bd814720e29efd408c6ba2f0a87b28f8d275cc8b380295b93cf2affba4c905da526

      • F:\$RECYCLE.BIN\S-1-5-21-3558294865-3673844354-2255444939-1000\_desktop.ini

        Filesize

        9B

        MD5

        a470ca2426c102d035971b2e504d921b

        SHA1

        1720ef61e5c8e2ad6da9992a78940228fc81d615

        SHA256

        13721d3153b316d1b54c64b67de19ae5147cb78e332448e6b800f6d510c269f5

        SHA512

        c12907d26eac47d219aaa47b11d243738b0e698f898f9f2bd199652bc094197227ce12bc5fc96f5da25f1fd7b5904fe71ee3792105b05ac13a135d89aa1c1831

      • memory/1652-11-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1652-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2700-27-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2700-37-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2700-33-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2700-1175-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2700-1232-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2700-20-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2700-4797-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2700-9-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2700-5236-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB