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Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/04/2024, 02:14

General

  • Target

    d8d68a4cd2cb9e6dc2b6a2deef71379db805b640a49ff87896e2b05514322dd1.exe

  • Size

    66KB

  • MD5

    8e7d06f73c3b09ef05898f8c4f25a12d

  • SHA1

    beb6e663072fc2cb0b9058a2dc0a862c4e847dab

  • SHA256

    d8d68a4cd2cb9e6dc2b6a2deef71379db805b640a49ff87896e2b05514322dd1

  • SHA512

    74ccd60b44ca1c1200534b3ee5aa2aaee1c7f281db3d6d88eccb199f5088f84686554c6e8f0aff0f4f62fe5a25fb94b3797c23193b8740c26449ed1537b011e3

  • SSDEEP

    1536:p3C3SHuJV9NBriw+d9bHrkT5gUHz7FxtJ:pSkuJVLBrBkfkT5xHzD

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:1232
      • C:\Users\Admin\AppData\Local\Temp\d8d68a4cd2cb9e6dc2b6a2deef71379db805b640a49ff87896e2b05514322dd1.exe
        "C:\Users\Admin\AppData\Local\Temp\d8d68a4cd2cb9e6dc2b6a2deef71379db805b640a49ff87896e2b05514322dd1.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2204
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a2B26.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1636
          • C:\Users\Admin\AppData\Local\Temp\d8d68a4cd2cb9e6dc2b6a2deef71379db805b640a49ff87896e2b05514322dd1.exe
            "C:\Users\Admin\AppData\Local\Temp\d8d68a4cd2cb9e6dc2b6a2deef71379db805b640a49ff87896e2b05514322dd1.exe"
            4⤵
            • Executes dropped EXE
            PID:2556
        • 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:2092
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2660
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2228

      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

        fa568d1ff557fe70694d05133aa05183

        SHA1

        cc58d226533877411b0010239d70a2761adda7ab

        SHA256

        fcba9cd9a160fd1682674d17b212cd56408ef810e223a4ca147f2b8532413e5b

        SHA512

        86cc53213f1a85ea7cb12a1259c50b6d8aff76d5ab5258d9ddb7655e7a552550f7771bc729a3aaadaff0509811fccd4dbd7b84741dd902a74addf7c6806faabc

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

        Filesize

        474KB

        MD5

        c00c10d640d17d701e266a6fcc683ec1

        SHA1

        fbd5b53c7f0e22f52d8201b738e9ec1cc7b953f3

        SHA256

        8626b01936d75fb83021910d1c8d27539fca7a6ca5e2fdc8a63808075674fcbf

        SHA512

        36162a1921eaaaf6bc9360e7cca63e909ec0a29d30019929787c5c07e80d73822f721c4af417609081c588b66d09035f968b86c0bc4348a86101e83f65e87db6

      • C:\Users\Admin\AppData\Local\Temp\$$a2B26.bat

        Filesize

        722B

        MD5

        f1d893ec03e685b9a5265f3eceef375a

        SHA1

        a764fc1d22fdcd3438ad09eab3de005277ddd89e

        SHA256

        f08905f1e96e90850a67f7ca4cfd8fe71e68cb50cc0b1da14eb77cefc048e7b6

        SHA512

        5b8d3b27b81262eb45d7641e6862dd7da13491fa5cc754122b8dedcf3ba3251ee6d2d04521307a1d8982b56446a8aceb1b13c2a4d545c1a1cbc6f09f37b33968

      • C:\Users\Admin\AppData\Local\Temp\d8d68a4cd2cb9e6dc2b6a2deef71379db805b640a49ff87896e2b05514322dd1.exe.exe

        Filesize

        36KB

        MD5

        9f498971cbe636662f3d210747d619e1

        SHA1

        44b8e2732fa1e2f204fc70eaa1cb406616250085

        SHA256

        8adf6748981c3e7b62f5dbca992be6675574fffbce7673743f2d7fe787d56a41

        SHA512

        b73083c2f7b028d2946cb8f7b4fe2289fedaa4175364a2aac37db0aeff4602aede772ccc9eba7e6dcfcb7276e52604ca45d8021952201b5834485b48bca3dc93

      • C:\Windows\rundl132.exe

        Filesize

        29KB

        MD5

        25953e4f0f0e4091d08c35a393bd1085

        SHA1

        ae497a759bf8fa1223e3afa4b54819b173d4be19

        SHA256

        809b14b494567b982e5c4b70c57c78362ea5eafaf81ade1e1a156cda75f70846

        SHA512

        3a25d7816bcf28fbb267e5fcc1f39e820c5b732cfced164e7110184d704e49b05b3cd298b7fc3108b59b9b403a32e8b24344cfd2d72dbe616837157ba3b03a6a

      • F:\$RECYCLE.BIN\S-1-5-21-1298544033-3225604241-2703760938-1000\_desktop.ini

        Filesize

        9B

        MD5

        7ef570b2b21e58fd906ef1a980d64425

        SHA1

        18502489f652e74f8972bbfa100d5c163d719ab7

        SHA256

        c3ce1b9216b58ac7d9ed3b93e5e3a1d6a2473b53b5bc1f008a621def49517055

        SHA512

        e1175d861a79d62b85cd18661375f1c956dcc97e958765dc225f3aa4b0f0100ca9e17b9c61f5e18fc2a96e5167c0563f60645033aff1be1ec2f372c1b9a8b35f

      • memory/1232-29-0x00000000024C0000-0x00000000024C1000-memory.dmp

        Filesize

        4KB

      • memory/2092-38-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2092-31-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2092-44-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2092-90-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2092-96-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2092-593-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2092-1849-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2092-2079-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2092-3309-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2092-21-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2204-20-0x0000000000300000-0x0000000000336000-memory.dmp

        Filesize

        216KB

      • memory/2204-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2204-16-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB