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Analysis

  • max time kernel
    151s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    15/10/2023, 13:57

General

  • Target

    cf63e09f3f0b9d566d26ab408d868ee8721b8062e99e832542be4dc7f2a72232.exe

  • Size

    310KB

  • MD5

    2489375ecfdf8a8812f3a48a93bf62ae

  • SHA1

    f70daba692854f24e6a6a7bfd6b6cd710ef62fcd

  • SHA256

    cf63e09f3f0b9d566d26ab408d868ee8721b8062e99e832542be4dc7f2a72232

  • SHA512

    4a85b35485d032c02d071714aa37c03192616b54e4f0ccc6a78e2938f585cda810baa8f65cbd216c2f5cff37921c72af2a910e1447df950c6b29a2b1d4fbf7fd

  • SSDEEP

    6144:kVfjmNyEq64tWRYCjhOhn7n4T5Bblt5RSZhlMIoEPsK:m7+yQhC7i5BtR0oEPsK

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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1392
      • C:\Users\Admin\AppData\Local\Temp\cf63e09f3f0b9d566d26ab408d868ee8721b8062e99e832542be4dc7f2a72232.exe
        "C:\Users\Admin\AppData\Local\Temp\cf63e09f3f0b9d566d26ab408d868ee8721b8062e99e832542be4dc7f2a72232.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2112
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a7974.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2608
          • C:\Users\Admin\AppData\Local\Temp\cf63e09f3f0b9d566d26ab408d868ee8721b8062e99e832542be4dc7f2a72232.exe
            "C:\Users\Admin\AppData\Local\Temp\cf63e09f3f0b9d566d26ab408d868ee8721b8062e99e832542be4dc7f2a72232.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2664
        • 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:2720
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2636
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2688

      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

        8a9ff864a5a78cfe1e4ef69c9bc98a7b

        SHA1

        783eb6119a656ad3318f12c3eb1bb1a9df5bce8a

        SHA256

        415270a11156bfa5f8b0f7f5679e35e8d9c3690936e675fe12855798fd49123b

        SHA512

        139c6628ddf4155fc7943db45bf2320d2db23fd127eedd4e69eb48c2404a42f34c34f1689b03d625112235e148cd142d9a5fd35f17e1865e4c3d41fa14b1eaca

      • C:\Users\Admin\AppData\Local\Temp\$$a7974.bat

        Filesize

        722B

        MD5

        cf40582969bfe77a6333018f378425fb

        SHA1

        6222b89aef328c268b9d17b0f1be9daff9675c44

        SHA256

        6789a392a5fa602b199a1bc78a2734887e358935db36425608dd7aef15fb94aa

        SHA512

        c922d3742e3002cfe7e292b4a88ada97dec26792b7b27334189881d5bf25c35eb03d93f58a0311d492eac43f2803a1a59d6753f41976b98b9f8ca9f330ca23e0

      • C:\Users\Admin\AppData\Local\Temp\$$a7974.bat

        Filesize

        722B

        MD5

        cf40582969bfe77a6333018f378425fb

        SHA1

        6222b89aef328c268b9d17b0f1be9daff9675c44

        SHA256

        6789a392a5fa602b199a1bc78a2734887e358935db36425608dd7aef15fb94aa

        SHA512

        c922d3742e3002cfe7e292b4a88ada97dec26792b7b27334189881d5bf25c35eb03d93f58a0311d492eac43f2803a1a59d6753f41976b98b9f8ca9f330ca23e0

      • C:\Users\Admin\AppData\Local\Temp\cf63e09f3f0b9d566d26ab408d868ee8721b8062e99e832542be4dc7f2a72232.exe

        Filesize

        284KB

        MD5

        db474d3a9ba1c0d73820bdd68b4ffcc0

        SHA1

        231ebf1696f15152b94030e62c0d3d3a3cbc884f

        SHA256

        e1f802890faf1ea6b8136ab1536bfd94d0ee221370e9213df85140b58a8be165

        SHA512

        847ad4103e50d41fbe13e82eafc0b6a904bde05cf770c80f4356c2f0d418c6f1a5fc195a03649b551f030cf7c5177d5db192debc2545abed1c432f1e56c0765d

      • C:\Users\Admin\AppData\Local\Temp\cf63e09f3f0b9d566d26ab408d868ee8721b8062e99e832542be4dc7f2a72232.exe.exe

        Filesize

        284KB

        MD5

        db474d3a9ba1c0d73820bdd68b4ffcc0

        SHA1

        231ebf1696f15152b94030e62c0d3d3a3cbc884f

        SHA256

        e1f802890faf1ea6b8136ab1536bfd94d0ee221370e9213df85140b58a8be165

        SHA512

        847ad4103e50d41fbe13e82eafc0b6a904bde05cf770c80f4356c2f0d418c6f1a5fc195a03649b551f030cf7c5177d5db192debc2545abed1c432f1e56c0765d

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        fdc7e51ff8752125309e31c936ec4915

        SHA1

        27b2025690e916335f77af39a93a43427e440882

        SHA256

        c30125ebe9c5a24363ddc0a430f52a78f6e3e171ec2d041d977f08b5077a429c

        SHA512

        43eeef47306514417d5e84b79095a61970e1dcd09551df624d38dacbd1fbc3c1abba7639a577ec671d41b30576b3f3690f81e427e4e8201e30e1e2af611cd13a

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        fdc7e51ff8752125309e31c936ec4915

        SHA1

        27b2025690e916335f77af39a93a43427e440882

        SHA256

        c30125ebe9c5a24363ddc0a430f52a78f6e3e171ec2d041d977f08b5077a429c

        SHA512

        43eeef47306514417d5e84b79095a61970e1dcd09551df624d38dacbd1fbc3c1abba7639a577ec671d41b30576b3f3690f81e427e4e8201e30e1e2af611cd13a

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        fdc7e51ff8752125309e31c936ec4915

        SHA1

        27b2025690e916335f77af39a93a43427e440882

        SHA256

        c30125ebe9c5a24363ddc0a430f52a78f6e3e171ec2d041d977f08b5077a429c

        SHA512

        43eeef47306514417d5e84b79095a61970e1dcd09551df624d38dacbd1fbc3c1abba7639a577ec671d41b30576b3f3690f81e427e4e8201e30e1e2af611cd13a

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        fdc7e51ff8752125309e31c936ec4915

        SHA1

        27b2025690e916335f77af39a93a43427e440882

        SHA256

        c30125ebe9c5a24363ddc0a430f52a78f6e3e171ec2d041d977f08b5077a429c

        SHA512

        43eeef47306514417d5e84b79095a61970e1dcd09551df624d38dacbd1fbc3c1abba7639a577ec671d41b30576b3f3690f81e427e4e8201e30e1e2af611cd13a

      • F:\$RECYCLE.BIN\S-1-5-21-86725733-3001458681-3405935542-1000\_desktop.ini

        Filesize

        10B

        MD5

        3fa5f43b227b96d6334e4649982d21b7

        SHA1

        aaca225fe44f532099d2d7d7b00d80ebc3dd003b

        SHA256

        d8fdb800da5ad9cc8b64df32df8c6006127fb46c590ee39f84bfd8b4f8912358

        SHA512

        2bf18238a4b94cb61fdd22c61007bc5cbb7fc712b69685cc03efc548622dc365f07159a6599192b1aed0c2ffa9911fbeb321323f7bf24c8706d52adff07e432e

      • \Users\Admin\AppData\Local\Temp\cf63e09f3f0b9d566d26ab408d868ee8721b8062e99e832542be4dc7f2a72232.exe

        Filesize

        284KB

        MD5

        db474d3a9ba1c0d73820bdd68b4ffcc0

        SHA1

        231ebf1696f15152b94030e62c0d3d3a3cbc884f

        SHA256

        e1f802890faf1ea6b8136ab1536bfd94d0ee221370e9213df85140b58a8be165

        SHA512

        847ad4103e50d41fbe13e82eafc0b6a904bde05cf770c80f4356c2f0d418c6f1a5fc195a03649b551f030cf7c5177d5db192debc2545abed1c432f1e56c0765d

      • memory/1392-30-0x00000000026A0000-0x00000000026A1000-memory.dmp

        Filesize

        4KB

      • memory/2112-17-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2112-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2112-11-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2112-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2720-39-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2720-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2720-45-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2720-91-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2720-98-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2720-103-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2720-1850-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2720-20-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2720-2584-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2720-3311-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB