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Analysis

  • max time kernel
    150s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    21/07/2024, 22:52

General

  • Target

    45aa4ca3a7d1a7581b1a57f410da318f5cd7f7c3245de154672b4a9e6b4b7393.exe

  • Size

    88KB

  • MD5

    872feeda0dd842b2faa66a7f0cba7a48

  • SHA1

    a89b48f540510c7a6d88a5ec748bf27bdd69ee54

  • SHA256

    45aa4ca3a7d1a7581b1a57f410da318f5cd7f7c3245de154672b4a9e6b4b7393

  • SHA512

    dc42388860cdba80fd46ea920df924965fe72f0a804b2279fbe36ac9c8c9a3c7a94f9cb77a2f3afbab86a3b346d632a25dd2d1393345f4240bfb0ab4f3e5e6c8

  • SSDEEP

    1536:pJ3SHuJV9Ntyapmebn4ddJZeY86iLflLJYEIs67rxo:pJkuJVL8LK4ddJMY86ipmns6S

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1380
      • C:\Users\Admin\AppData\Local\Temp\45aa4ca3a7d1a7581b1a57f410da318f5cd7f7c3245de154672b4a9e6b4b7393.exe
        "C:\Users\Admin\AppData\Local\Temp\45aa4ca3a7d1a7581b1a57f410da318f5cd7f7c3245de154672b4a9e6b4b7393.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1712
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aF7C7.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2036
          • C:\Users\Admin\AppData\Local\Temp\45aa4ca3a7d1a7581b1a57f410da318f5cd7f7c3245de154672b4a9e6b4b7393.exe
            "C:\Users\Admin\AppData\Local\Temp\45aa4ca3a7d1a7581b1a57f410da318f5cd7f7c3245de154672b4a9e6b4b7393.exe"
            4⤵
            • Executes dropped EXE
            PID:3024
        • 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:2448
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2120
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2788

      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

        254KB

        MD5

        54d3a05979fe44a5a21b0c2947cf3ff6

        SHA1

        04afd636f094ca4517e459e7ab81dc4cceaae947

        SHA256

        8acb2c40e69bf0a088cd26657fae2da09a2d086e88067096f9bebc77f4516082

        SHA512

        e727d980520aff2beabf08ee3fa0a6ef2f6a825f40e71b027a4721f06e3f096057681d30d16940ac7fe7a2606008db51d72b745c479905b0218bdc0c1436a600

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        474KB

        MD5

        07f921c054538a3bebf429f5869296c8

        SHA1

        7413fb91523507562d36faf5000ef6413f1d0bf9

        SHA256

        9bb3c8862682b9322762cfbfd2c908bb76c918798c93161fc515c1b224f8ca70

        SHA512

        01f2a00dbae29e7a6e7e9944626e3161d9ce8371bab315d70dffbe8f6c755cf5d650ae9ff0a74d1176bd6fd0f4a229cf81e735a0403865c282334b7ffe04d67b

      • C:\Users\Admin\AppData\Local\Temp\$$aF7C7.bat

        Filesize

        722B

        MD5

        c179cbe6213363f1323b48ad38a12f72

        SHA1

        1b86abf64f5f6c8a8155d6c237847392c47cc282

        SHA256

        a76b15e21f176e704901141ec1e3eee75a43dd7258495686e9a87f652e34eef0

        SHA512

        bd084b15fabf6b60b94d2f7975a39816a0d172556bd53960a415478ae2dfc34baa8e2bec3d4991fa1cb341b4da402abc5436d6bde17f893a5b5352456013de77

      • C:\Users\Admin\AppData\Local\Temp\45aa4ca3a7d1a7581b1a57f410da318f5cd7f7c3245de154672b4a9e6b4b7393.exe.exe

        Filesize

        59KB

        MD5

        dfc18f7068913dde25742b856788d7ca

        SHA1

        cbaa23f782c2ddcd7c9ff024fd0b096952a2b387

        SHA256

        ff4ac75c02247000da084de006c214d3dd3583867bd3533ba788e22734c7a2bf

        SHA512

        d0c7ec1dae41a803325b51c12490c355ed779d297daa35247889950491e52427810132f0829fc7ffa3022f1a106f4e4ba78ed612223395313a6f267e9ab24945

      • C:\Windows\rundl132.exe

        Filesize

        29KB

        MD5

        968fbfebdf34cc885e51e8bcaa182f2e

        SHA1

        91df1a0b7046e2eaef764223f16a5c9dee88afdb

        SHA256

        5f7bff7aecb05283cfb2d2c3675e507495f6e06200be3b0ab1e00f76f038a5ce

        SHA512

        28dfdbc55a467a9ff5ce094532246c2ae748b9473fa80ae7485249f0d3493549970e16df948ebfcb080b3e3e15a6b605aa491cbd36d2537ba2c99140eefcf065

      • F:\$RECYCLE.BIN\S-1-5-21-2172136094-3310281978-782691160-1000\_desktop.ini

        Filesize

        9B

        MD5

        2efce5174bcf8d378a924333f75e26ad

        SHA1

        4fe6e1d729b55d42eb9d74aca11b36a94402de14

        SHA256

        04ccb9bec2864153c72852867d8e65dca07eca4e5edcfb4beb62cb364dcd91fa

        SHA512

        24684969632fb0562a3a7a5fec91d869d627730d8e9d83a2b17e326d7047e3fbff205eec207914e42ecd50fef68a212c19f3599ded271c00e66acc22f1f04c16

      • memory/1380-29-0x0000000002D80000-0x0000000002D81000-memory.dmp

        Filesize

        4KB

      • memory/1712-16-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1712-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2448-21-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2448-44-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2448-90-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2448-96-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2448-479-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2448-1873-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2448-38-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2448-3333-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2448-31-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB