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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 14:25

General

  • Target

    42de94e91bbb8c2311d208939ccceaa727cc7126832b0c49913d5854c58b5dda.exe

  • Size

    66KB

  • MD5

    42ea2160234ae3cd4aa9d48157733f83

  • SHA1

    2717bafac70d06e5bcd1482d6877ebc65bb915b8

  • SHA256

    42de94e91bbb8c2311d208939ccceaa727cc7126832b0c49913d5854c58b5dda

  • SHA512

    b76909e487fedb53c9615680f144484a94e6384d617ed3bb33ebd2d062e0d200063820a60aa608fbc44bcc9dbecd5d3d67b5185645851528ad2e50024f8c2c65

  • SSDEEP

    1536:eFcx1ae9n40g9i/qo6SKHlC4ayFGyHNXk:eFfZQioJKFC+4yHN0

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:3464
      • C:\Users\Admin\AppData\Local\Temp\42de94e91bbb8c2311d208939ccceaa727cc7126832b0c49913d5854c58b5dda.exe
        "C:\Users\Admin\AppData\Local\Temp\42de94e91bbb8c2311d208939ccceaa727cc7126832b0c49913d5854c58b5dda.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3564
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1556
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1936
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a144E.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3684
            • C:\Users\Admin\AppData\Local\Temp\42de94e91bbb8c2311d208939ccceaa727cc7126832b0c49913d5854c58b5dda.exe
              "C:\Users\Admin\AppData\Local\Temp\42de94e91bbb8c2311d208939ccceaa727cc7126832b0c49913d5854c58b5dda.exe"
              4⤵
              • Executes dropped EXE
              PID:404
          • 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:4076
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3152
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1928
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4412
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:1380

          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

            538c0e088843e61eadb25cbb475031d3

            SHA1

            5c2a1aa7e5a5acb2a05cee2485acc9a69b7ebcbb

            SHA256

            f504681f836f49e82b7f0ab3661a1195efd72a551915949cdcf653ccbd35d4f3

            SHA512

            a4781ea919c673ea87815696b7aa9158dbdfb0cb3ee12fb6213e66a174d75cb271a43dd5b568efef38da670e0559790015569e56fb2e3a47ac6da2a3134158d1

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

            Filesize

            577KB

            MD5

            7658c9c47ef2805682a3b682465720db

            SHA1

            f12ac645874395e5aa0b0140faecef4119554c3b

            SHA256

            a7463ce4b4a0cb0128fef035b8069caa9d8530a3d797b6615f80acc87888de28

            SHA512

            458b86000db315100ce26668cf8b70ad38f543751fa8a7d666fc9c611f3d3c42303400f1ed4314986e9ea7eec0c9c70db9d020f06725440df4d52dcb5e4f2b40

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

            Filesize

            643KB

            MD5

            c08994604c02bf7431e4c46295a779d5

            SHA1

            7f526582e292083589253bbc8b2cd093b2229ff2

            SHA256

            218bfecab8804a634b05ebcedc30eab7aa8fa8ed5775495ba9545517c311f00e

            SHA512

            13d9b746d0fe6922ecff9b5bf0ac896a63da11610341d4a7701e2a8d8fc5c0511d7bd9f4f54d3756b770998601b4f7b39b7e5c36d824dd42470fb0b499065c34

          • C:\Users\Admin\AppData\Local\Temp\$$a144E.bat

            Filesize

            722B

            MD5

            02c65cc4cf33dfc6966e224ff2a43987

            SHA1

            cbdc32cbbe0d77f2abf34b1f49a18e6319db3d4f

            SHA256

            4b39b9461b900ca7ec5b18d4543553faed54457b6b4d6661083b62f3a4ee4162

            SHA512

            1a18cf1e9c8ac1540680540aff63cd75103bda087ce4005e040f52f9948687ca0331789f293879ee6bb9d8f00c0d02f3afbecd857a63f086de3e17842410012c

          • C:\Users\Admin\AppData\Local\Temp\42de94e91bbb8c2311d208939ccceaa727cc7126832b0c49913d5854c58b5dda.exe.exe

            Filesize

            33KB

            MD5

            bdbce90ce74990df3b2c7c8484dde146

            SHA1

            ae6aadaf5467b97779d4c1a81b5cd3dfb9d8ecb4

            SHA256

            f4a3c012f2859ead10af1298d9b20fbd8ca2257f73d530a2b0c25937cb16f6eb

            SHA512

            78e2f31759ce490f38e898ef17a700dd0898cc32b526325e8d7230b4ff119c39124cd2abf30038f70318931cc995abee523b334a29812bf875302dc126c9f958

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            117c9521e5d8959b1861c9511c792fea

            SHA1

            8b69af116f9b988e45371c811cbddbadcc067e44

            SHA256

            ec905c17086effa5331a07e7805a26bbe62d94c5e90f5fa55a45c668061285de

            SHA512

            93b85bf1c95bdb8781ff90f88faa4b8a0945067be93390b87ee7ab5830b17b257422cfcfcd87078c5004510e2b553876070813a55faaa578e0b979576a2c0eeb

          • F:\$RECYCLE.BIN\S-1-5-21-1403246978-718555486-3105247137-1000\_desktop.ini

            Filesize

            9B

            MD5

            5e286801abdc6ca5d3091665a72ecd7c

            SHA1

            87e0b4601ab0b05784a1059a45d72d807b0e2cbb

            SHA256

            131ccc46b756e5373dc2f2d37625bfb980a48f2f2287585da364166cf2e709b5

            SHA512

            51506d6adb68cca9e21fcddfe9672b91352cdb4f3c5b8c2da40219c73d2e7724776cd8701ff68449720c0aa398fe4f7665dabae2bd5147d42c5b6882c99f0bf1

          • memory/3564-9-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3564-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4076-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4076-3091-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4076-8-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4076-8806-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB