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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 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 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3460
      • 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:2968
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4888
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3752
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a5B5E.bat
            3⤵
              PID:2276
              • C:\Users\Admin\AppData\Local\Temp\c7a6f364861f0be5ec5744c6679900042ae054e5bd7ab305d6d4901ac2648a49.exe
                "C:\Users\Admin\AppData\Local\Temp\c7a6f364861f0be5ec5744c6679900042ae054e5bd7ab305d6d4901ac2648a49.exe"
                4⤵
                • Executes dropped EXE
                PID:4756
            • C:\Windows\Logo1_.exe
              C:\Windows\Logo1_.exe
              3⤵
              • Drops startup file
              • 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:4120
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2156
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4344
                • C:\Windows\SysWOW64\net.exe
                  net stop "Kingsoft AntiVirus Service"
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1328
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                    5⤵
                      PID:1368

            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

              ded2175b2df67275abae4ba15944c7c6

              SHA1

              15e16af64183f29b566f558c36802e3e34e1205d

              SHA256

              1e717899d86e8cf36ad797b533b4a43a58f9aba162dd8b4d4ee48ed6af64e16a

              SHA512

              5d97130a356fd02f2837680b6d0b0d9c8e2ab37e6a167898acb29b44f35b7feb0d29f6dd2cde547255ba7e83e89ff9563edfe2f2781de84e4e99716c7a6a56b2

            • C:\Program Files\OpenExport.exe

              Filesize

              260KB

              MD5

              27053d71e8982e577f5227c72c9c6e7f

              SHA1

              f4940bde5bde8e18f3e38e8e49569c99c852188f

              SHA256

              ec143b0de8a36ddcce9e5c338e2cef9da26b7a2af1d452bcb531540a7ca0bc14

              SHA512

              ff11579c2ae7c7ca89f0bb96cc4074d14a54588b3964405199c38034e263dfde1d2759b0f88c6881bd1adc5291e507969347197c9194af4eb1179f89ab869c3d

            • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

              Filesize

              643KB

              MD5

              2186e704236b47c2268b5e251f696330

              SHA1

              101fdc37baf83fed8f6f8b55f1594a13e5060c4f

              SHA256

              ece9f7bb3d56dff6b865be7804d66254865ca7211619d517a7cf35cabba05144

              SHA512

              f0b451724fe6aa486002e6c86951e0089f5bc6f7cca6cf3b0c9cc8fb55cec0e5ae428c5ce00774e7d71b6427261f37573ffe385cac023f213e438fc031fda806

            • C:\Users\Admin\AppData\Local\Temp\$$a5B5E.bat

              Filesize

              722B

              MD5

              61fc6fc35a46142b5cc2919553f8ca30

              SHA1

              d171a3880723268d818cb1a893719c4dfe1dbe1d

              SHA256

              28c807b99413c86bcf01acf6d3fd5a888da6f02b54a1daef4c52de34821aa945

              SHA512

              24764eecc8852a2ea3513f7c4204f8ad8758bdf6da455776bdd559d1e2f8e78177961a31fdbb2267ac7c0650763285d411b33b3b3759ffca216e92136bb2c2fd

            • C:\Users\Admin\AppData\Local\Temp\c7a6f364861f0be5ec5744c6679900042ae054e5bd7ab305d6d4901ac2648a49.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-1-5-21-4124900551-4068476067-3491212533-1000\_desktop.ini

              Filesize

              8B

              MD5

              87cbd7a2d7bdb443a36ecfb46e39db18

              SHA1

              12aac09be13003e857809ea9434c76126ac39bbf

              SHA256

              fe5e34894849bd441c429cfd17e62e06b828a82b04c9f0e7cadd884d78b326e1

              SHA512

              75b0b484285909c577f97dd2b748e8b6e905b2a37dc8a569519325e67cac8b8932fbbd52c754df787e2a6326a9ca575e5d37372a9635718a310c642457ed17e0

            • memory/2968-8-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/2968-0-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/4120-17-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/4120-3106-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/4120-10-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/4120-8645-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB