Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2024, 15:17

General

  • Target

    530634a98e572358b7c7bf63094e4aaae8bca255e418853c2bb2dcef522d6997.exe

  • Size

    56KB

  • MD5

    99d1201628cf81ef174b5148243c8866

  • SHA1

    87ba221ede4c83fd8bdcc2ac768fa57aae0a9fec

  • SHA256

    530634a98e572358b7c7bf63094e4aaae8bca255e418853c2bb2dcef522d6997

  • SHA512

    fa908d064b482e1de80cfd907303f7a524af83d8d081e1c5a28aec37a168922086303a4e0540b8abd16a249774a5fc436df5d7856200891f0e8b29ac7b0a25ce

  • SSDEEP

    1536:PqsaYzMXqtGNttyUn01Q78a4RJdeK+UfZ/XWrI:PqsaY46tGNttyJQ7KRJj+OZ/XW8

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1136
      • C:\Users\Admin\AppData\Local\Temp\530634a98e572358b7c7bf63094e4aaae8bca255e418853c2bb2dcef522d6997.exe
        "C:\Users\Admin\AppData\Local\Temp\530634a98e572358b7c7bf63094e4aaae8bca255e418853c2bb2dcef522d6997.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1620
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2120
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1672
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1287.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2580
            • C:\Users\Admin\AppData\Local\Temp\530634a98e572358b7c7bf63094e4aaae8bca255e418853c2bb2dcef522d6997.exe
              "C:\Users\Admin\AppData\Local\Temp\530634a98e572358b7c7bf63094e4aaae8bca255e418853c2bb2dcef522d6997.exe"
              4⤵
              • Executes dropped EXE
              PID:2416
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • 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:2604
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2388
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2688
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2492
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2384

          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

            258KB

            MD5

            b9ce17b2ca80fc031580509d0fdf5449

            SHA1

            487898f96ee8542ab8486ebae3d98e3369c44e22

            SHA256

            3ee112a1f71030e3d330f5e4f89417d250aa7dfbf1ee4cf08e1f1923a7b3ef44

            SHA512

            9e3fdf38c71c9acf54b30abbaa9ca4db5931be1f911e2ea786ab1d1ccdae0fc123b24a6fd12e6eb773b3cae9af7a6d53751172de207c43e180c87456af154e6e

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

            Filesize

            478KB

            MD5

            e93193856beaecee9905e2a6f36be17f

            SHA1

            d4c267ea34f28f048e29461656984aad70912eda

            SHA256

            1d345f4e09acdbc12e63ce90d0bd373b56d50a378f4603d8425f6df815e44a7b

            SHA512

            1fbe9c0e86ad98d6a2a7924badec0fffc69a7d0a4839e8af45d0aedf1e4e24a4a798df0ec5b8d0aa6e0e566c0c83a4030549bd32b9ac27406fc772d4a2ff5fc3

          • C:\Users\Admin\AppData\Local\Temp\$$a1287.bat

            Filesize

            722B

            MD5

            0d891205cedfb720a65227528ffc75c4

            SHA1

            b960d1f7ea07a610b10fcc55343bc73f6f1c6397

            SHA256

            5c31bd6e506e9ee40fa87e74b326d2f70eff111c11f49b25e33d7ca95ac4740a

            SHA512

            27b9db81be1a5d9427a5d33880c0ba67211e9151d78adc7e01cd7f184028566d4163abd1dc50e6db64d1fad9438ce6c5211af2ce408f0e80c49ef25595350acc

          • C:\Users\Admin\AppData\Local\Temp\530634a98e572358b7c7bf63094e4aaae8bca255e418853c2bb2dcef522d6997.exe.exe

            Filesize

            22KB

            MD5

            b2f7631fe9ac1f6eb4f276bd7259626c

            SHA1

            ca1147287b78e3a15d30654a47b37c9aba2b4767

            SHA256

            23a59a0acd84d07313d6ea78fcf7f629ecdc93ae0c32574c73ef1a467f2831b5

            SHA512

            aa7e3e9ea219d64c1f9dbca0095968087574dea92e466139c2c8a19d03c1341b53191077504fc07366ceb6bd46323b8f95c454b7a0103e27c939622b0e0a0f6e

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            548b59c56dea702c153092f3c9befd52

            SHA1

            77d37ef5a746ee53d8b7c3ae82c4d2eca3e05d08

            SHA256

            e67be4ca1372399b73443f6f60c634806266796a0c84a22a55fa0080eca30b3f

            SHA512

            0ada1c693a1a40ff9d5407b633a4571268830bfd7edfa7bea370c96675a73269c4861c1c19a7ed478b42e95a91bceb386ce90bd7601cee4ca1076976d00e2e7c

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            832B

            MD5

            7e3a0edd0c6cd8316f4b6c159d5167a1

            SHA1

            753428b4736ffb2c9e3eb50f89255b212768c55a

            SHA256

            1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

            SHA512

            9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

          • F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini

            Filesize

            8B

            MD5

            1b16d2dbd4281ce4e4e5729c608dcb0b

            SHA1

            851e624080ba5598edb808d4b30fe2d74999ce18

            SHA256

            c9e46fb51d0588ca1e48ca66731e11992770b9b74a982f9bdbb6ce5b5b75d549

            SHA512

            cd1c4cf7c7871cb48ce735226b25f689b340037e6c992441e566161de7fca7410762d1a0c2670ee4b6546f7ee854d3219e0e2315c3e0387d9bbe3f08076b5a59

          • memory/1136-28-0x0000000002D60000-0x0000000002D61000-memory.dmp

            Filesize

            4KB

          • memory/1620-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1620-18-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2604-32-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2604-3279-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2604-4102-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB