Analysis

  • max time kernel
    149s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/05/2024, 14:22

General

  • Target

    4fa9334a79a7cc8f5b8279ad3c3735efe83635292616951e22913e53e659dec6.exe

  • Size

    47KB

  • MD5

    ec033afb87df99a39746c579205bab61

  • SHA1

    525213cf0323b201392cff2b8b8414a07358410d

  • SHA256

    4fa9334a79a7cc8f5b8279ad3c3735efe83635292616951e22913e53e659dec6

  • SHA512

    9fdbfb2b96e088292b33a3517f5ee08db53bbe2d4c6b007ff2bb130e5e5dbcf2fc06fdfd221cb12a79d7f52562c5dd9cbf7c3832ed0bc6d1b7573f4b898c4fa8

  • SSDEEP

    768:6CpQFJFKZj1PVs9Ag1vzu4OQZce0Ote9Q77Q6WFelKpaoWQ3655Kv1X/qY1MSd:6Xcx1aeg1v9OQZVUKM6+kKpzHqaNrFd

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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3552
      • C:\Users\Admin\AppData\Local\Temp\4fa9334a79a7cc8f5b8279ad3c3735efe83635292616951e22913e53e659dec6.exe
        "C:\Users\Admin\AppData\Local\Temp\4fa9334a79a7cc8f5b8279ad3c3735efe83635292616951e22913e53e659dec6.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1604
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2084
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1272
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a77D0.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2116
            • C:\Users\Admin\AppData\Local\Temp\4fa9334a79a7cc8f5b8279ad3c3735efe83635292616951e22913e53e659dec6.exe
              "C:\Users\Admin\AppData\Local\Temp\4fa9334a79a7cc8f5b8279ad3c3735efe83635292616951e22913e53e659dec6.exe"
              4⤵
              • Executes dropped EXE
              PID:2236
          • 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:5052
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4788
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1056
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3212
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:364

          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

            b02ce9f89b5fcdfa382e398baae14db1

            SHA1

            0ccdb48192fa6da97f6fed097e7992d4ffb8c329

            SHA256

            2d58ebd950e75995c7f4e973b1a3acbd00bbcc957e1c3cc537c9192941e22e0f

            SHA512

            351e4199b880a52204c10a42f767ea125a430af89fc950c779a30ba9801324045fb6db6b43b4f6f8b1760ac6f5b18fdfbd51b345553440e0903b3228afb105ef

          • C:\Program Files\7-Zip\7z.exe

            Filesize

            577KB

            MD5

            83b5fd71c6e285ede1140d3e113c0d43

            SHA1

            357c2a48115dec39e92f6ed9422cad46faaf8bff

            SHA256

            a392e9ffcdef4cce9397f122770584f16d285f95847dcc592451626e48ee9be7

            SHA512

            9b8f9bd6134f9ab2a35ffdc6ad1910cb82d19d65e366c8d86c8878fef19dc8e1c6758b491deb489e02da02cea2abdfeb0632db1bea8f8981ed1da951c9f5348e

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

            Filesize

            643KB

            MD5

            ab26006fce082246aa3ffd6ff4cbcf89

            SHA1

            f8686e05d1aeb169e13c8d3889b01dd3988d5124

            SHA256

            a31829ad88d68b47eea131646207d5b3b53468a9bdd665365f608b6ce186b8ba

            SHA512

            0b7f2d8dab9c10a6619970c6e0568380d79951ec942f79bc035b8c93ebe8b23d925e42b62e22aaacce6ff981fbd719526aa797031b50a036e7e6f5aef0728df5

          • C:\Users\Admin\AppData\Local\Temp\$$a77D0.bat

            Filesize

            722B

            MD5

            eeda002459e4e24536e9856da8ff1e37

            SHA1

            38262677edbbd216f2283a3ec4156df38f41981b

            SHA256

            de56d90a1fdd1c6bba8d926c3855479dc22ef2c9a9736ca66b4c6730849b2e58

            SHA512

            23fbcc786ecf342bab36b89693e1f0462c02c57acd3885bdde847c35e0470c92ce3b23e83bbc22e6dbb684373bd371e6716bb04802cfa9eb516a22c9c3462910

          • C:\Users\Admin\AppData\Local\Temp\4fa9334a79a7cc8f5b8279ad3c3735efe83635292616951e22913e53e659dec6.exe.exe

            Filesize

            14KB

            MD5

            ad782ffac62e14e2269bf1379bccbaae

            SHA1

            9539773b550e902a35764574a2be2d05bc0d8afc

            SHA256

            1c8a77db924ebeb952052334dc95add388700c02b073b07973cd8fe0a0a360b8

            SHA512

            a1e9d6316ffc55f4751090961733e98c93b2a391666ff50b50e9dea39783746e501d14127e7ee9343926976d7e3cd224f13736530354d8466ea995dab35c8dc2

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            7808bed698ccef82509cf593cc88cc08

            SHA1

            7fd55fac4955cfe86b991985fad7f7118b2fd34b

            SHA256

            1ab85edcc778baa7cde7ac968b92acdf829a3db71343db8a05d15cf7c65974d6

            SHA512

            adecb7877ae2db16ecc80a5ac1bab168f8cc750553fa458a0447d0741d7f52f0da08dee18b3c3ba958fce80243d4b873dcdf2e41e5dfcc4c9debedf0c5113a6f

          • F:\$RECYCLE.BIN\S-1-5-21-2804150937-2146708401-419095071-1000\_desktop.ini

            Filesize

            9B

            MD5

            4b2b75605a65a6762ec4715de0a70902

            SHA1

            3b85993ef06d2d814abc405188fdd19a1bffea0c

            SHA256

            77072cc5a7b394508cf5d819ff8cf4385a9b3cb15d8715a59845ccfa235ea34e

            SHA512

            888361e75afd4308bdad817af543704a42ffdf2d798acef619459e9978ac68f1cf4d468c6e0b146ab738b0109fdf331c4380471aa83f637b0f6ab06164840c65

          • memory/1604-10-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1604-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/5052-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/5052-5176-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/5052-11-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/5052-8700-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB