Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-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

  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • 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:2416
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2732
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1856
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a19C8.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:3060
            • C:\Users\Admin\AppData\Local\Temp\4fa9334a79a7cc8f5b8279ad3c3735efe83635292616951e22913e53e659dec6.exe
              "C:\Users\Admin\AppData\Local\Temp\4fa9334a79a7cc8f5b8279ad3c3735efe83635292616951e22913e53e659dec6.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: GetForegroundWindowSpam
              PID:2860
          • 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:2556
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2876
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2584
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2488
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2476

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

            Filesize

            478KB

            MD5

            c8b074fbff9452f981c52acd82c24918

            SHA1

            03ffff9c1f1e8da670c6c65b2d858a9ed7eae4fa

            SHA256

            986587b92dc97769781c303bcf1c6e13dacd413cac927afb4462389b3204d888

            SHA512

            fc282e5789ea88095cfd50a0aa1c38d63515f70b28c52c2d68da57119f4b8f5f5ba4216a3547fe5202939d0ca3c8ad6c1cd938831c5b0bb3fc6e96b6d834bf8c

          • C:\Users\Admin\AppData\Local\Temp\$$a19C8.bat

            Filesize

            722B

            MD5

            c0204eddcaea2b058cbcf338232e6a58

            SHA1

            e1817001d7e8b4b60200791849af3a725f013edc

            SHA256

            c123d915ced941524a2c94ac17b0981b6a4041711baad36bbf70b7c231c8ddca

            SHA512

            bad288757c25d6ec7a9e02b2a140aab861ce600ae42684f511614477e9c84b74e63b0d180b4500c4cf9a5d9cfd92ad0c6d04c2e8e9c74e0dba9db02665db8d2c

          • 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-1-5-21-2248906074-2862704502-246302768-1000\_desktop.ini

            Filesize

            9B

            MD5

            4b2b75605a65a6762ec4715de0a70902

            SHA1

            3b85993ef06d2d814abc405188fdd19a1bffea0c

            SHA256

            77072cc5a7b394508cf5d819ff8cf4385a9b3cb15d8715a59845ccfa235ea34e

            SHA512

            888361e75afd4308bdad817af543704a42ffdf2d798acef619459e9978ac68f1cf4d468c6e0b146ab738b0109fdf331c4380471aa83f637b0f6ab06164840c65

          • memory/1200-27-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

            Filesize

            4KB

          • memory/2416-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2416-16-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2556-30-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2556-19-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2556-3281-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2556-4099-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB