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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2024, 02:18

General

  • Target

    9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe

  • Size

    2.8MB

  • MD5

    81c4c08e604df85f6a86f49d97ec68f2

  • SHA1

    a08edbfdca35126abdc9c668c10e9b8378c71089

  • SHA256

    9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8

  • SHA512

    142c56b027a13a2a357b9e8c3cc7ae99f61290938f54d20e1e4c4d61f7dd100742b18cee06abb3156bda8118e853549281e6a0134917d19766347060a8d739cc

  • SSDEEP

    49152:B6gLKJuMarhVnMFwTH8/giBiBcbk4ZxZ2DqFeVMhuxcPh:Ed1XdhBiiMa7

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:3448
      • C:\Users\Admin\AppData\Local\Temp\9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe
        "C:\Users\Admin\AppData\Local\Temp\9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1268
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4825.bat
          3⤵
            PID:312
            • C:\Users\Admin\AppData\Local\Temp\9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe
              "C:\Users\Admin\AppData\Local\Temp\9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe"
              4⤵
              • Executes dropped EXE
              PID:4156
          • 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:112
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2756
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1216

        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

          39f77f4bf41f3d1062fa8fe88ae0ac96

          SHA1

          28c26ed527b667140444e78da9aa28ac701c4655

          SHA256

          83ee7a1787cd3d526fce9c190f60de08f690b87a311640a3edd96f0c20d4f52a

          SHA512

          bd75b82865d35661deda19c09ae68b62aa738095088ca01fb38ac2dfe87ef36f5d88e4155b50ff9ff7105c0f608a46d7fe4fc058e945f2fed28ca0f07cb98220

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

          Filesize

          573KB

          MD5

          74036ee8dd1468e4a02e9ba986d953aa

          SHA1

          a048d1986d6f5c53e20754ce7d0089ae87ac376d

          SHA256

          5e332d3d8d36e524d661a8832ad7576e6dfa3150df9e055d797524c5a475190f

          SHA512

          a285b9bddc153d3aa6204030f8a3020b5c577fd2c1ce6450429cdd073fb9c2c14d420bb93112aa9fe8bc9a212a086f166e4313b3f781173b03ba2f4ad60cb966

        • 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\$$a4825.bat

          Filesize

          722B

          MD5

          ae0f85d28cdc81a8628cad0c327c7eb8

          SHA1

          5b5c8699333ca947bb5089c73e87b9f46d825aa6

          SHA256

          86adfae73bf7f6ab905ccdb4656f63578774c60287f216362c23b0ba52249ac4

          SHA512

          7f7f67c62aaa1c460eb071042bfb4dccfd5ab7b369c337cf4f50d1a92115d30199c3a3f159a31e059afa097ab5720ade940797dcba84b42d865ec0f2055dc654

        • C:\Users\Admin\AppData\Local\Temp\9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe.exe

          Filesize

          2.8MB

          MD5

          095092f4e746810c5829038d48afd55a

          SHA1

          246eb3d41194dddc826049bbafeb6fc522ec044a

          SHA256

          2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588

          SHA512

          7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400

        • C:\Windows\Logo1_.exe

          Filesize

          29KB

          MD5

          bc2827244a10f2d501da2a3835d316e4

          SHA1

          09d1f0df0cd9e0205bc7b3cdddf7441d08a9dd85

          SHA256

          c09672cfa112faa6c94d69a9b213d9dd1585c64250059fb9b8109e0dad8d5601

          SHA512

          d1bedcfdc699a513ed46dbf2c54c464fcb247771c20d503084a36a5c1561eb85d7e040fe42bee2a2b7408b98da8714040c199013d3bae9276fbb6e8fa382e56f

        • F:\$RECYCLE.BIN\S-1-5-21-2860750803-256193626-1801997576-1000\_desktop.ini

          Filesize

          9B

          MD5

          73b8aef84e892e3f77d41747dce253db

          SHA1

          d642a92c96e4ed570d998a73e42fc24fafe8caf9

          SHA256

          a81f7465f537233bbd4b8fa9034e52a8ceffcdf97bf36244c4d404ebec14eb24

          SHA512

          9b0690efee220355932375db333b5487c369ca9fdcf8497bcb5283d78d21fb4fefb7c06bbe533fb1f18fd3b32256a013090af6dd957b9d09cc373d0d5b89cf6d

        • memory/112-27-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/112-33-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/112-37-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/112-20-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/112-1237-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/112-4801-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/112-13-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/112-5264-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1268-0-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1268-10-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB