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Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    01/07/2024, 21:30

General

  • Target

    c7a6f364861f0be5ec5744c6679900042ae054e5bd7ab305d6d4901ac2648a49.exe

  • Size

    5.7MB

  • MD5

    095b3b1e47512ce55e8da5e8b261eed0

  • SHA1

    2c77c301952e600f09bda2d1c86abc6074cac51f

  • SHA256

    c7a6f364861f0be5ec5744c6679900042ae054e5bd7ab305d6d4901ac2648a49

  • SHA512

    7ed211e5cfc4efe4cff3fa3cd6c67d3216b277abad5e6bcc5448ec41bee51c105872cf87a4b4f3347a7d8118c4b8132d283c0afdb63cd3602f52f38f879d35be

  • SSDEEP

    49152:GPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTPBJ:YKUgTH2M2m9UMpu1QfLczqssnKSk

Score
7/10

Malware Config

Signatures

  • 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 34 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1368
      • C:\Users\Admin\AppData\Local\Temp\c7a6f364861f0be5ec5744c6679900042ae054e5bd7ab305d6d4901ac2648a49.exe
        "C:\Users\Admin\AppData\Local\Temp\c7a6f364861f0be5ec5744c6679900042ae054e5bd7ab305d6d4901ac2648a49.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1160
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2092
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1692
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1A54.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            PID:2184
            • C:\Users\Admin\AppData\Local\Temp\c7a6f364861f0be5ec5744c6679900042ae054e5bd7ab305d6d4901ac2648a49.exe
              "C:\Users\Admin\AppData\Local\Temp\c7a6f364861f0be5ec5744c6679900042ae054e5bd7ab305d6d4901ac2648a49.exe"
              4⤵
              • Executes dropped EXE
              PID:2836
          • 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:1728
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2700
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2548
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2640
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2604

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

            Filesize

            258KB

            MD5

            ded2175b2df67275abae4ba15944c7c6

            SHA1

            15e16af64183f29b566f558c36802e3e34e1205d

            SHA256

            1e717899d86e8cf36ad797b533b4a43a58f9aba162dd8b4d4ee48ed6af64e16a

            SHA512

            5d97130a356fd02f2837680b6d0b0d9c8e2ab37e6a167898acb29b44f35b7feb0d29f6dd2cde547255ba7e83e89ff9563edfe2f2781de84e4e99716c7a6a56b2

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

            Filesize

            478KB

            MD5

            ec52a7c41d8fe6a425af4a49d3ff8692

            SHA1

            06d3654358703be938fcee47e29e38ee38702b59

            SHA256

            45b71822efada34915ef05af5fa772700dc0981a7ec84b5f3ff938fc522e2e48

            SHA512

            f3cd793d93823527a7dce92032774f0b4b8656ba5234251f27c4ff203811a54649b93c12bff4e374d3950652897b0e1c51845caea57c86593d45cc3d060b348b

          • C:\Users\Admin\AppData\Local\Temp\$$a1A54.bat

            Filesize

            722B

            MD5

            14a7b045fe8c9fbd6786dcd6e84f5e0a

            SHA1

            51cccbe73ecf502fa480fa6b0a453f0c4b0d20dc

            SHA256

            fab294038d5fef7d526edb41fd5f5b0c42b62716c3bfa97597ad5344a158e1b7

            SHA512

            0aa24d0505282877cf619830f856ea91c3de70d47f34ded1cdf0705418c402a2c792d8d31b5d06cda2f93f6623080417b6c13072b50d15972efb2adc7910f03a

          • C:\Users\Admin\AppData\Local\Temp\c7a6f364861f0be5ec5744c6679900042ae054e5bd7ab305d6d4901ac2648a49.exe.exe

            Filesize

            5.7MB

            MD5

            ba18e99b3e17adb5b029eaebc457dd89

            SHA1

            ec0458f3c00d35b323f08d4e1cc2e72899429c38

            SHA256

            f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

            SHA512

            1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            02ae2f4f874cd3f8b010ee3e202c593a

            SHA1

            bd9f1e0c977439f32db2d9368f2741eba46d68dc

            SHA256

            b5a4af62bd47eb59cb99abef2d20aefc03881f37fbec23eb45a786ab9b889efe

            SHA512

            8d93eff82209c4934b53f461d8730b9b09e0f353f272cbc4ea81b538f2b3e30eafbc5df8c30a27ba20d1a79a0204063f217f8bb0b4a9497ebb62bc91101ecd83

          • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\_desktop.ini

            Filesize

            8B

            MD5

            87cbd7a2d7bdb443a36ecfb46e39db18

            SHA1

            12aac09be13003e857809ea9434c76126ac39bbf

            SHA256

            fe5e34894849bd441c429cfd17e62e06b828a82b04c9f0e7cadd884d78b326e1

            SHA512

            75b0b484285909c577f97dd2b748e8b6e905b2a37dc8a569519325e67cac8b8932fbbd52c754df787e2a6326a9ca575e5d37372a9635718a310c642457ed17e0

          • memory/1160-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1160-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1368-27-0x0000000002B30000-0x0000000002B31000-memory.dmp

            Filesize

            4KB

          • memory/1728-31-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1728-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1728-3278-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1728-4083-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB