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Analysis

  • max time kernel
    151s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/04/2024, 12:26

General

  • Target

    98387475e633335b9a1cf7388ae5c2468bc31fc83a543d41b93709ebc9cea81c.exe

  • Size

    56KB

  • MD5

    f8fe9336aa3bf10f2a864044f45e67dc

  • SHA1

    7aa1c893ddae50f2796b3bbc17789a5d5e6103e2

  • SHA256

    98387475e633335b9a1cf7388ae5c2468bc31fc83a543d41b93709ebc9cea81c

  • SHA512

    97e74cf674940dbaa1c130e926efc826ce9a8c764d8e7e8b34ccfebf121f095085c832425bfa1f4653674b3f929c1f2b5ad6ef845389670d27fbf3ab1cbd3a60

  • SSDEEP

    768:g1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoL20v0A5+FXAi3jLuKO1p:yfgLdQAQfcfymNa0v0jFQmLk

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1276
      • C:\Users\Admin\AppData\Local\Temp\98387475e633335b9a1cf7388ae5c2468bc31fc83a543d41b93709ebc9cea81c.exe
        "C:\Users\Admin\AppData\Local\Temp\98387475e633335b9a1cf7388ae5c2468bc31fc83a543d41b93709ebc9cea81c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2092
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a495F.bat
          3⤵
          • Deletes itself
          PID:2700
        • 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:2016
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2656
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2732

      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

        f95b0d904fbb90914ba189536f7197b2

        SHA1

        fae8056fd49f3adb38fbfa495f16b208cc259008

        SHA256

        9524f3f1885ef8f28b91f9b62aa97ec1e7936649e8f76936b384b1a2165374be

        SHA512

        8d68e985676222cfb699092697879827e2b142dc6721d655a31f7a87458d8e531e3da772d0c580c87c161c5f2cd3242a1f2f809ed75a8dfc26e8975815b707dc

      • C:\Users\Admin\AppData\Local\Temp\$$a495F.bat

        Filesize

        722B

        MD5

        b0b2afdd87736f58573590a2de6addfe

        SHA1

        32b738fa5837e39ca524aa2eee654c9cd1a247b4

        SHA256

        d669a6b7f774ba60bbf762ba6094963cce4e168d0a76d4a8be76012843d6326a

        SHA512

        f56d1afb40b8af990b2c9f2134abbc98e8820d929fd84560d14038849974e526753192d970c2d38fe906e94b9614c3bf6979c5d6749d8373d798c533dbe389b1

      • C:\Users\Admin\AppData\Local\Temp\98387475e633335b9a1cf7388ae5c2468bc31fc83a543d41b93709ebc9cea81c.exe.exe

        Filesize

        29KB

        MD5

        a78154852e264fafc12a68e766917a51

        SHA1

        59ba6cb5fd6f45b8e9b7d1e5426f13609657d718

        SHA256

        055daaa1b81c46af694cb85f3ebef12a278bd614da815afb9cae83a8e31097da

        SHA512

        780b75be89a9cfb8afedcb7f593e46ef882f1df795bd792c48997bc6f2c775a924c2d992e058d772913a8e9f65bf29b13bcb627751268af1aa48be01fc7ddc0a

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        c582728215a384024dca2dcadf9a9436

        SHA1

        e225717735740772e228085fe782350a1db84194

        SHA256

        6a007e9214a972594185b0ca3c6c69b604138850f1b4063d2e53a94304f7d27d

        SHA512

        ad6c226e81c2fccbc20219367ca86a273df642fa68b3a34c37e0518432fdec84321e4fe537de2fb20bb4ffd7bea2615c67a16635a18283914468b2f1f5d89caf

      • F:\$RECYCLE.BIN\S-1-5-21-778096762-2241304387-192235952-1000\_desktop.ini

        Filesize

        9B

        MD5

        c59aab012a570d8b20f60efcafb272be

        SHA1

        709df64d9a23340c6bc42f2bf8dfdca512bff2e0

        SHA256

        8a349242c7461f8fccc029421cd051ef8f140a8e3738d348a2354a3d5b9de220

        SHA512

        8c3f67dc02beaca59f0deaa4d8e33bc385b19df02d2a8b905b47148e21919f7d059f3883f02dad25a0d11dc807343390114753a7918171720d8cd72e84239e17

      • memory/1276-64-0x0000000002A00000-0x0000000002A01000-memory.dmp

        Filesize

        4KB

      • memory/2016-130-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2016-136-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2016-3349-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2016-2728-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2016-69-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2016-1888-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2016-76-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2016-22-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2016-84-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2092-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2092-77-0x0000000000350000-0x0000000000384000-memory.dmp

        Filesize

        208KB

      • memory/2092-21-0x0000000000350000-0x0000000000384000-memory.dmp

        Filesize

        208KB

      • memory/2092-12-0x0000000000350000-0x0000000000384000-memory.dmp

        Filesize

        208KB

      • memory/2092-17-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2700-58-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB