Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 10:49

General

  • Target

    9a788fa743bcb028fca5b4ca5a1318edfb2b5c54d7cdb742840d907889cf79a0.exe

  • Size

    160KB

  • MD5

    40c4475a2214fe4ed99640535fc5e729

  • SHA1

    ef0dee14059926d8ffd766d84ab113568a56dc39

  • SHA256

    9a788fa743bcb028fca5b4ca5a1318edfb2b5c54d7cdb742840d907889cf79a0

  • SHA512

    d871e986ea9c5325a89d30ac00ecfe0dc137ac36a2aecee7b507faced27266753c05f1497bc764875bddcc660d96741b20f2f5c692fbde68c2b9bf266ea53d7a

  • SSDEEP

    3072:bftffjmNoxE+KLNKAK36INbNoLar3pXoizGuy0:bVfjmN3xKXXoii

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:3484
      • C:\Users\Admin\AppData\Local\Temp\9a788fa743bcb028fca5b4ca5a1318edfb2b5c54d7cdb742840d907889cf79a0.exe
        "C:\Users\Admin\AppData\Local\Temp\9a788fa743bcb028fca5b4ca5a1318edfb2b5c54d7cdb742840d907889cf79a0.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2560
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aD040.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5032
          • C:\Users\Admin\AppData\Local\Temp\9a788fa743bcb028fca5b4ca5a1318edfb2b5c54d7cdb742840d907889cf79a0.exe
            "C:\Users\Admin\AppData\Local\Temp\9a788fa743bcb028fca5b4ca5a1318edfb2b5c54d7cdb742840d907889cf79a0.exe"
            4⤵
            • Executes dropped EXE
            PID:2076
        • 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:3388
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3204
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:232

      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

        89ce71c5c6300817a03a37bafa39829a

        SHA1

        db969b7339f46487b8c1f180df9d5805610df042

        SHA256

        bf62c9ac097226709d03d69880fe8150a50a4d88bd12b389f3cb1d0e4632dc05

        SHA512

        6050ac78d8f073bcdc359071630c78c4f0f3c1b7b1aef73ddedab637667d0bd29c139ea613008f1d23c04cc9ff5390fe6586480bedf7bef516b2f3e28e0b0b5c

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        b08dce0fc30c83b1bc500dac9950016d

        SHA1

        877994c8d8edc40431d08cd5c47b16ba4ccb594d

        SHA256

        d24ba479aa9f613b762d0c3490ff47e581796fb693db7a456c84f51ccb12e1a9

        SHA512

        4bc70050274b04d8b6aed4de713d918b2f3d160bf34f35195ad5c0fe58f3e75ed9685a9acff082a35f0ea48ebf5f9d224d6d3e4e861073bbc789bb8517cbc105

      • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

        Filesize

        636KB

        MD5

        7c0581e2c34a99e0e6b7b63deb7540d8

        SHA1

        2ad688b178321284f2eab56ad02ef1d32e7ea46f

        SHA256

        200d8896a4cf3d442567696ff425b2aeca8b87428173337c4f5b9022ae0d6ab0

        SHA512

        4e65033131dd98ef1eb39d5da1c3a92b8d4c3ca083edb3db7bf9f555e57285f9f5c63bdc4d24cc5aa63312edd216ebc74c0a7f74ed38783e27998a2c013a496e

      • C:\Users\Admin\AppData\Local\Temp\$$aD040.bat

        Filesize

        722B

        MD5

        1f32ad5b79285327175c2e0dde08fb23

        SHA1

        9b6f2d0e5b76e1c04557bee889706bff4a763c3f

        SHA256

        81e1ad910b7ca6fe0f33436666ddee9ea7842fc64468bbd0c03df3447a98fbd5

        SHA512

        cb96cf7d6e5f0ec5495141474e8558532679f1fbde600c8d578f0ead194be7fa9a3c6e8dcc07ca27c32f09825df568074fd0f246f76bf164305e716748541667

      • C:\Users\Admin\AppData\Local\Temp\9a788fa743bcb028fca5b4ca5a1318edfb2b5c54d7cdb742840d907889cf79a0.exe.exe

        Filesize

        134KB

        MD5

        f16bdd638796008503118a4a1394509c

        SHA1

        fdd7c4fa0e69981f3dd7a1344bcef4743c4cd001

        SHA256

        5a41f028c171274052567a910f631ae91b46def95cd86f8a3be753e84407a8d7

        SHA512

        c8197d686e4dc392b5d3d192360f1d09b10dc254f8d99e4beea4e86b5044588785fc72ac12d563c38338ecbfd159e3ce536b33d82d1e01a2bce80744daecbadb

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        2c1e78088e7f1ffee9c2a8b59ff638c5

        SHA1

        85c8033a76e4c5b04b8ea09362cb36c746a7ccf6

        SHA256

        c29cf1bf7974eb92d48d9521f032a91210e71e44f19009b22029cf719de44b72

        SHA512

        96ca1dfe2ef4d844456a7c174703d7ba9423690f793714545085ed7185dad01be6fc603f188a6c8ebc8b93bd451710bf4962f686098e2908cc84743b94adbe3b

      • F:\$RECYCLE.BIN\S-1-5-21-4084619521-2220719027-1909462854-1000\_desktop.ini

        Filesize

        9B

        MD5

        72b7e38c6ba037d117f32b55c07b1a9c

        SHA1

        35e2435e512e17ca2be885e17d75913f06b90361

        SHA256

        e9719e3c653627668046bac84b77097bfb0cd018d68465c17130ed31d6d6eca6

        SHA512

        2bebd814b81ad2dc547802d42891d833caaad81d004758ec4373f9c7af2971eb822f0a559d2d5d4fca499912fea95e25bab22e92cb0c149d6a4c692eee6ee46a

      • memory/2560-9-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2560-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3388-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3388-36-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3388-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3388-404-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3388-1227-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3388-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3388-4792-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3388-12-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3388-5231-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB