Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2024 19:01

General

  • Target

    f323939b4735cd1ab29983151baf96973ae5c7bd84a520ceb1d5f741a672b11d.exe

  • Size

    5.7MB

  • MD5

    a814aa6131dc962f4fb291c787b682f3

  • SHA1

    a7088f874b88a6e06a48f924bf2aa11e884e4f13

  • SHA256

    f323939b4735cd1ab29983151baf96973ae5c7bd84a520ceb1d5f741a672b11d

  • SHA512

    7b98bb10ce15b0eddf366a766c691935d95957a842ae8f9149d9dd53ad2e1a97b30d83affbb45018b14909e5e7750789ca587ff3f0fa17a76f4b4df27cd46be7

  • SSDEEP

    49152:GPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTPBJ:YKUgTH2M2m9UMpu1QfLczqssnKSk

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 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3532
      • C:\Users\Admin\AppData\Local\Temp\f323939b4735cd1ab29983151baf96973ae5c7bd84a520ceb1d5f741a672b11d.exe
        "C:\Users\Admin\AppData\Local\Temp\f323939b4735cd1ab29983151baf96973ae5c7bd84a520ceb1d5f741a672b11d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1412
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a9EEF.bat
          3⤵
            PID:4556
            • C:\Users\Admin\AppData\Local\Temp\f323939b4735cd1ab29983151baf96973ae5c7bd84a520ceb1d5f741a672b11d.exe
              "C:\Users\Admin\AppData\Local\Temp\f323939b4735cd1ab29983151baf96973ae5c7bd84a520ceb1d5f741a672b11d.exe"
              4⤵
              • Executes dropped EXE
              PID:1408
          • 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:1128
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:452
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4740

        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

          247KB

          MD5

          6259635eea819b54ccfdcc495dd85ac0

          SHA1

          8d4a839c13bf6607c998e6ea892125f8e3941b1a

          SHA256

          7e73915971e716a6b45bee196b53e6a0acb980ee2f06bd42551a747276d7db31

          SHA512

          b81f870f915713131ece1040abb74cb9cad1f85ac7abacfb708756c4f13531f49ef9a01df4c1e8455773cc56234c59aefc9901c6ee32fe60d31eccac1f5224bb

        • C:\Program Files\7-Zip\7z.exe

          Filesize

          573KB

          MD5

          832a0d6235890e1684154ea2b77c8a2e

          SHA1

          afdd353f31c69e835b77609c5850302da285c966

          SHA256

          16d6cb4cb1933f9fe167a369c73d860cefda5ddf43361d263b4c8fa8b088795e

          SHA512

          2c196eb261e86e518242b94230cb278871cf13883c8c123912880eceb4a2acdf6f5d4c57523654c285f32c3e6abaf9bf6636ef8a6cc57ed810ef020d47aa9313

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

          Filesize

          639KB

          MD5

          c8d281da4c32df16eef470c27c8cb459

          SHA1

          00efc9f6844bfaa37c264b6452c6a7356638ab10

          SHA256

          058c81e5a07f2c6c33cf28dff71d07ad8f179046108d945159957e891bfd9c62

          SHA512

          e3c79e19f620068f668d4ebaa5097f1a95a30dabb8dce75f3787171dddbea9f684fc7ce8d1011a398f38084d7af96dd1ff9a02d25906aab9b13861b8363d24bb

        • C:\Users\Admin\AppData\Local\Temp\$$a9EEF.bat

          Filesize

          722B

          MD5

          65048d940cf2e8f9a7a51db171d40430

          SHA1

          33e9eaae091a8b08f61c915ed0d790db94b38fae

          SHA256

          b52ab8252910358df1d618630174ef87fa01d6137ea6c504537a34ba4b8f0258

          SHA512

          c363d9ee389667095a9cfd9a3e23797cdc41316df0cf7cde8909c4c9cd1ff0d0e6f8065a91e21677ba7e9b32c566d9b051b3a5459840bddc41c6c088a015cfc9

        • C:\Users\Admin\AppData\Local\Temp\f323939b4735cd1ab29983151baf96973ae5c7bd84a520ceb1d5f741a672b11d.exe.exe

          Filesize

          5.7MB

          MD5

          ba18e99b3e17adb5b029eaebc457dd89

          SHA1

          ec0458f3c00d35b323f08d4e1cc2e72899429c38

          SHA256

          f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

          SHA512

          1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

        • C:\Windows\Logo1_.exe

          Filesize

          29KB

          MD5

          4021e95f53a46471094fb2b6922b0093

          SHA1

          fc0244446084e4b0aab07d360833f879525a65d5

          SHA256

          b40765ce00f6d00c86e0db93742528d876ac7b4ccaca14b7fc5f19f933ad527c

          SHA512

          4c73f144b7a5d95d3baf8bab52b7a4d25ccb373c2b6cbe4fc138bdb5ef358ca035e9261ff82f4705a47dfb77745a58f98b91b5e7fba1547d0a742f506573f361

        • F:\$RECYCLE.BIN\S-1-5-21-2650514177-1034912467-4025611726-1000\_desktop.ini

          Filesize

          9B

          MD5

          1368e4d784ef82633de86fa6bc6e37f9

          SHA1

          77c7384e886b27647bb4f2fd364e7947e7b6abc6

          SHA256

          57507bed6cf91d70e66bd4cc287634889ef30b648cb7c44a4edec0e2cb68b772

          SHA512

          3cb7168e776eb564768e30eba43174014a85108ab306a7c07a1522fb42173c381a5bff9ac10944fd345dd5308061cbe2878c60d1e878f8768281c1adcf5dd85b

        • memory/1128-27-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1128-33-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1128-37-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1128-20-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1128-72-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1128-1234-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1128-11-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1128-4797-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1128-5242-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1412-0-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1412-10-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB