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Analysis

  • max time kernel
    149s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/08/2024, 05:10

General

  • Target

    fc92f1389ff0310b0eaa65b44c55129947c857f036ec724d779663019ef8ff40.exe

  • Size

    364KB

  • MD5

    25dd2deac477c00307be4e35fe36d16a

  • SHA1

    6cbf31d3f76282c7bebf245608cf52857fbe4b0d

  • SHA256

    fc92f1389ff0310b0eaa65b44c55129947c857f036ec724d779663019ef8ff40

  • SHA512

    e5a545859036dd3617cfc013d72e4d267d3a9c4e303d0fa7c7010c34b0e97266c88549f3f0e2a0de4aa1194be21927084571cd8492dd0258227107aef40ee69f

  • SSDEEP

    6144:tCuJPzU66bkWmchVySqkvAH3qo0wWJC6G/SMT4FWqC:1U66b5zhVymA/XSRh

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
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3408
      • C:\Users\Admin\AppData\Local\Temp\fc92f1389ff0310b0eaa65b44c55129947c857f036ec724d779663019ef8ff40.exe
        "C:\Users\Admin\AppData\Local\Temp\fc92f1389ff0310b0eaa65b44c55129947c857f036ec724d779663019ef8ff40.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3492
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6CA4.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2444
          • C:\Users\Admin\AppData\Local\Temp\fc92f1389ff0310b0eaa65b44c55129947c857f036ec724d779663019ef8ff40.exe
            "C:\Users\Admin\AppData\Local\Temp\fc92f1389ff0310b0eaa65b44c55129947c857f036ec724d779663019ef8ff40.exe"
            4⤵
            • Executes dropped EXE
            PID:3912
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1740
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4948
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3628

    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

      1850c36bb884826d2fb21c400c7e9485

      SHA1

      c23038eef67d666b0fabba505dbaf88445b1bbfb

      SHA256

      e072ed58a2f44693d50048a1c04e31f871f37131efa1f2609358feefe884eec0

      SHA512

      ebaaf5a0eb9595a5928e2ecfce87170dcab455c4874dd786641d282dcc1fb7d80dfc4c285718f5cb6748b42e5c91e14ea4be6865255dca18f06f9f0d750d0585

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      573KB

      MD5

      28dc566a26d9daf7acc0de09b86489b4

      SHA1

      d750d48fd430cf173b6c84fd25ab924c8ca720ed

      SHA256

      b6b051b07a1c2c909e4dc7e9139a77a86defdddf6c19219d165155026d1a8abc

      SHA512

      a19d87e4a3de8b846d675a056b2f83eff4a27882d51db49b40f4dc8113ea8ce148d38dbe6c868c71716da0001d1d4f6445f61ee67096844261d9c0984e35bde1

    • 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\$$a6CA4.bat

      Filesize

      722B

      MD5

      52d93d56d505e3b515b2fe6035cdc387

      SHA1

      b1114a06019e2137133579e46d7c7d4bebc62012

      SHA256

      101a24cb447ca3816e13ab9cd6a4189ea4070148187df52c976cbdd33ce3b277

      SHA512

      79ccefd6c0726718ed85044093df8e1bee31de7904c7543621adea25d083ca2b2a630d0852a69b522b4971bd539c9cf4db34c79376c1872a4f0a6b3d256e6a86

    • C:\Users\Admin\AppData\Local\Temp\fc92f1389ff0310b0eaa65b44c55129947c857f036ec724d779663019ef8ff40.exe.exe

      Filesize

      335KB

      MD5

      40ac62c087648ccc2c58dae066d34c98

      SHA1

      0e87efb6ddfe59e534ea9e829cad35be8563e5f7

      SHA256

      482c4c1562490e164d5f17990253373691aa5eab55a81c7f890fe9583a9ea916

      SHA512

      0c1ff13ff88409d54fee2ceb07fe65135ce2a9aa6f8da51ac0158abb2cfbb3a898ef26f476931986f1367622f21a7c0b0e742d0f4de8be6e215596b0d88c518f

    • C:\Windows\Logo1_.exe

      Filesize

      29KB

      MD5

      c64b5702b462a9345363255cd38a3788

      SHA1

      9b6b6e857e544e61ee783065926c92d48337f0ce

      SHA256

      16c685475090f9e09f57bb8836c127fb02a08926f76779de941fad5d6305f825

      SHA512

      26c0c862561e1521891ee018bec7e128578343b2bc0e3471b87c5ef536e235c7ac9665c3ba84f9e0b9b206d3fae859ebefb1fd373123e0ee31b670e9bbe73836

    • F:\$RECYCLE.BIN\S-1-5-21-2718105630-359604950-2820636825-1000\_desktop.ini

      Filesize

      8B

      MD5

      fcbaf0a2c3988ef775359f94d545ab42

      SHA1

      174ccd98ff87b8e6f46eebc493f379beafeb3b08

      SHA256

      895aaa8dac57f2bb76ddc8c2681e0480bf57dbf3f62cda3840cb448b8615612f

      SHA512

      7c81b6445708b1c482599bfb808e90462d6111e885691dd947d9cdf95ba028d580b20027575814a310a81f310261b649792b65153ce43063da063b5005561d20

    • memory/1740-26-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/1740-32-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/1740-36-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/1740-19-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/1740-84-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/1740-1233-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/1740-10-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/1740-4791-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/1740-5236-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3492-0-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3492-8-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB