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Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2023, 06:23

General

  • Target

    7b23b057ed16cae46fa40336fc75dce7002a5578c0d22f6b50d4409eac38e9de.exe

  • Size

    271KB

  • MD5

    b6e828aec697d7ffbc4fa1d68a73f33d

  • SHA1

    a65ca1478e2c4850186cde56e3c915732c78fb89

  • SHA256

    7b23b057ed16cae46fa40336fc75dce7002a5578c0d22f6b50d4409eac38e9de

  • SHA512

    9f306a969a053e87973fe0c20d39ae831f082239c35e8017b25d1c5c33aaa06053c875dde4c5b80c23fb58ab6ff303165c05fbb18875fb980649529e86f066f0

  • SSDEEP

    6144:ooTVfjmNm6iC5/7Z7mEGiin0u9HJAxdrt10xdUy95WkLmzdWsQELvLf884rxJp1D:tp7+JlGp0Bk

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1260
      • C:\Users\Admin\AppData\Local\Temp\7b23b057ed16cae46fa40336fc75dce7002a5578c0d22f6b50d4409eac38e9de.exe
        "C:\Users\Admin\AppData\Local\Temp\7b23b057ed16cae46fa40336fc75dce7002a5578c0d22f6b50d4409eac38e9de.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2468
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a3F80.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2716
          • C:\Users\Admin\AppData\Local\Temp\7b23b057ed16cae46fa40336fc75dce7002a5578c0d22f6b50d4409eac38e9de.exe
            "C:\Users\Admin\AppData\Local\Temp\7b23b057ed16cae46fa40336fc75dce7002a5578c0d22f6b50d4409eac38e9de.exe"
            4⤵
            • Executes dropped EXE
            PID:2648
        • 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:2424
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2728
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2824

      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

        3a650fb76f82e4e986c15852a526ad13

        SHA1

        6067f3a315b357050a4cba64166928340f8886da

        SHA256

        b18f8d5f50682bee0204fe5a3d22c5e7d8ba9f931e4826b9013417e282438b5e

        SHA512

        11e45ef55c05cb8bcf5501e91fafdbabe102f81cf9cbacf433813749956272fa64c0b30931f02bf7f23657dcbeb203c7a1d506cd31959e133abd1cd6e7f8ae3c

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        471KB

        MD5

        4cfdb20b04aa239d6f9e83084d5d0a77

        SHA1

        f22863e04cc1fd4435f785993ede165bd8245ac6

        SHA256

        30ed17ca6ae530e8bf002bcef6048f94dba4b3b10252308147031f5c86ace1b9

        SHA512

        35b4c2f68a7caa45f2bb14b168947e06831f358e191478a6659b49f30ca6f538dc910fe6067448d5d8af4cb8558825d70f94d4bd67709aee414b2be37d49be86

      • C:\Users\Admin\AppData\Local\Temp\$$a3F80.bat

        Filesize

        722B

        MD5

        cf4caad9dfe72605fc364ffa84627ec8

        SHA1

        246dcd2efb327c2f981bdcda07fd4528d9819165

        SHA256

        48d068bd2a750669e8d70ab4e9961c05983929cc72d5092ddc62682566702833

        SHA512

        56db09d9762e38225c0bbda900d02ee4b7d01e7e48e97fd49598e0eefa4f04d0c009ff8b87026f6fc0ecefba8c0ee09b61effea9562bdb37ba86d01b46c04aef

      • C:\Users\Admin\AppData\Local\Temp\$$a3F80.bat

        Filesize

        722B

        MD5

        cf4caad9dfe72605fc364ffa84627ec8

        SHA1

        246dcd2efb327c2f981bdcda07fd4528d9819165

        SHA256

        48d068bd2a750669e8d70ab4e9961c05983929cc72d5092ddc62682566702833

        SHA512

        56db09d9762e38225c0bbda900d02ee4b7d01e7e48e97fd49598e0eefa4f04d0c009ff8b87026f6fc0ecefba8c0ee09b61effea9562bdb37ba86d01b46c04aef

      • C:\Users\Admin\AppData\Local\Temp\7b23b057ed16cae46fa40336fc75dce7002a5578c0d22f6b50d4409eac38e9de.exe

        Filesize

        245KB

        MD5

        f1e27bbd3a183c3c4021a792e651bb53

        SHA1

        9d7e96b9089584308a23773d4db2404b897c39fa

        SHA256

        65fb354d75fe5d709a58c2f4e2e7e88f01ef8fc5aff80191479def0630783336

        SHA512

        e7bc26c54b0dd190513b787e3d05ac4102e60997468f37c3db3e14e9fe338556635363ec5123a95aeb2513e184330a581b6ab4255d340b745c41e153b0e87203

      • C:\Users\Admin\AppData\Local\Temp\7b23b057ed16cae46fa40336fc75dce7002a5578c0d22f6b50d4409eac38e9de.exe.exe

        Filesize

        245KB

        MD5

        f1e27bbd3a183c3c4021a792e651bb53

        SHA1

        9d7e96b9089584308a23773d4db2404b897c39fa

        SHA256

        65fb354d75fe5d709a58c2f4e2e7e88f01ef8fc5aff80191479def0630783336

        SHA512

        e7bc26c54b0dd190513b787e3d05ac4102e60997468f37c3db3e14e9fe338556635363ec5123a95aeb2513e184330a581b6ab4255d340b745c41e153b0e87203

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        6765f9667efb8f6ef7fd32740a5ef051

        SHA1

        4db6919d04c94b0a9b008680b01d9982cdd2db3e

        SHA256

        d9c70ffdfe8f4aef0dd327753de4eeea270845b211018aeba4222cae6a4a5740

        SHA512

        bf1d1beec626bf3550541d1fdd844e11e57a1994c753fe6f3a709e407d73ca269b69b5e84ac4ff6e685874c876fbf481eaa422759b6333d85cbaf9a2bf6f6a78

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        6765f9667efb8f6ef7fd32740a5ef051

        SHA1

        4db6919d04c94b0a9b008680b01d9982cdd2db3e

        SHA256

        d9c70ffdfe8f4aef0dd327753de4eeea270845b211018aeba4222cae6a4a5740

        SHA512

        bf1d1beec626bf3550541d1fdd844e11e57a1994c753fe6f3a709e407d73ca269b69b5e84ac4ff6e685874c876fbf481eaa422759b6333d85cbaf9a2bf6f6a78

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        6765f9667efb8f6ef7fd32740a5ef051

        SHA1

        4db6919d04c94b0a9b008680b01d9982cdd2db3e

        SHA256

        d9c70ffdfe8f4aef0dd327753de4eeea270845b211018aeba4222cae6a4a5740

        SHA512

        bf1d1beec626bf3550541d1fdd844e11e57a1994c753fe6f3a709e407d73ca269b69b5e84ac4ff6e685874c876fbf481eaa422759b6333d85cbaf9a2bf6f6a78

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        6765f9667efb8f6ef7fd32740a5ef051

        SHA1

        4db6919d04c94b0a9b008680b01d9982cdd2db3e

        SHA256

        d9c70ffdfe8f4aef0dd327753de4eeea270845b211018aeba4222cae6a4a5740

        SHA512

        bf1d1beec626bf3550541d1fdd844e11e57a1994c753fe6f3a709e407d73ca269b69b5e84ac4ff6e685874c876fbf481eaa422759b6333d85cbaf9a2bf6f6a78

      • F:\$RECYCLE.BIN\S-1-5-21-3750544865-3773649541-1858556521-1000\_desktop.ini

        Filesize

        9B

        MD5

        d1f4b3361b3ceba910fe1ab7ce1ab032

        SHA1

        6c1264e161c0ae8e2bf57dfcbf331b502b7ccf86

        SHA256

        1a8ca2a08b158ef349e80a839becb06d0e9b2ae3c4633d3a376a13260d71b45f

        SHA512

        c1269ac742982043f8e5f6610bbba71efd56841e32ee6eca478f6a474a1f0b9783f461377945a8ea88aff6c394c570948cb5d65289d0b8a55f80daf68c5e4498

      • \Users\Admin\AppData\Local\Temp\7b23b057ed16cae46fa40336fc75dce7002a5578c0d22f6b50d4409eac38e9de.exe

        Filesize

        245KB

        MD5

        f1e27bbd3a183c3c4021a792e651bb53

        SHA1

        9d7e96b9089584308a23773d4db2404b897c39fa

        SHA256

        65fb354d75fe5d709a58c2f4e2e7e88f01ef8fc5aff80191479def0630783336

        SHA512

        e7bc26c54b0dd190513b787e3d05ac4102e60997468f37c3db3e14e9fe338556635363ec5123a95aeb2513e184330a581b6ab4255d340b745c41e153b0e87203

      • memory/1260-29-0x0000000002BA0000-0x0000000002BA1000-memory.dmp

        Filesize

        4KB

      • memory/2424-92-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2424-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2424-40-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2424-46-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2424-99-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2424-172-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2424-1851-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2424-3311-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2468-11-0x00000000003C0000-0x00000000003F4000-memory.dmp

        Filesize

        208KB

      • memory/2468-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2468-18-0x00000000003C0000-0x00000000003F4000-memory.dmp

        Filesize

        208KB

      • memory/2468-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB