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Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    18/07/2024, 23:58

General

  • Target

    a886a373f1fa3134a8523f844dec7f875c5457ced6e05d2bc4ef41eed89325d7.exe

  • Size

    5.7MB

  • MD5

    840120c3e95a1d9d03161f07247c98ba

  • SHA1

    49886f9fcf5f3ba5f1e38f5698064ceeafe93744

  • SHA256

    a886a373f1fa3134a8523f844dec7f875c5457ced6e05d2bc4ef41eed89325d7

  • SHA512

    8714ae37c9967031b072f046f1cfbe0491b90b06c0a7750acc727d4e858cf774ad0775a8976f5f0b293945c718fe0fadb8daa9623d6bcd7dd560e2ff7f724e84

  • SSDEEP

    49152:fBr9Pv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dr:fzKUgTH2M2m9UMpu1QfLczqssnKSk

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 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:1264
      • C:\Users\Admin\AppData\Local\Temp\a886a373f1fa3134a8523f844dec7f875c5457ced6e05d2bc4ef41eed89325d7.exe
        "C:\Users\Admin\AppData\Local\Temp\a886a373f1fa3134a8523f844dec7f875c5457ced6e05d2bc4ef41eed89325d7.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2404
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2108
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2568
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$aD04A.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            PID:2060
            • C:\Users\Admin\AppData\Local\Temp\a886a373f1fa3134a8523f844dec7f875c5457ced6e05d2bc4ef41eed89325d7.exe
              "C:\Users\Admin\AppData\Local\Temp\a886a373f1fa3134a8523f844dec7f875c5457ced6e05d2bc4ef41eed89325d7.exe"
              4⤵
              • Executes dropped EXE
              PID:2872
          • 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:2540
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:280
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1208
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2788
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2768

          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

            e4a8dffb1688f53152e052e8321811e4

            SHA1

            afb478fd6eae98c9cd5fed71f469dc00fa06899f

            SHA256

            7b341aa6cfb3cd296e54dfef5257d8dd65004a1e3f01a9e490e7549773f38972

            SHA512

            07cfa5015dcc635db3fc5369c0cb3eebaf9e0e682ff0e4c37a5ce0b24b847c1676b7d72219f21da323860c9324da1afb0a7ca857b399701adfd7cd702aa6be09

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

            Filesize

            478KB

            MD5

            4b2e4624e1d0db501f6baf562187677b

            SHA1

            48417cf94efc5c6e4d67cb645e5b5beff059090d

            SHA256

            ac5b78c6a58c82a8c23aa8c99d0a3067920eed03960cfbfadd1a252e727e54e7

            SHA512

            0c1f85f93635dc8814057eb3ebf1ff31995bbaeb0ff18125c88018f2deb71a78bbf7c28c5a6c9200e63c23b443f986c0d592afeb346ade823dc8bf97f394ec31

          • C:\Users\Admin\AppData\Local\Temp\$$aD04A.bat

            Filesize

            722B

            MD5

            3e08b6e0eb09791919b15b6517403bac

            SHA1

            8a18fac73a1bc852546747141b49257284c6f7fb

            SHA256

            1630ed16fc16259886afa2e0c384409df0475aa5d45a31a58b76e7c8c4f51a7a

            SHA512

            9aa954b82850e79d1dc16d1fad68692cc6d7d618c9473d8d4d9bc359bf969ef2f564eddac764d7b11e855f4f5e78c4a04dd3406d063733f97326a8684abbce39

          • C:\Users\Admin\AppData\Local\Temp\a886a373f1fa3134a8523f844dec7f875c5457ced6e05d2bc4ef41eed89325d7.exe.exe

            Filesize

            5.7MB

            MD5

            ba18e99b3e17adb5b029eaebc457dd89

            SHA1

            ec0458f3c00d35b323f08d4e1cc2e72899429c38

            SHA256

            f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

            SHA512

            1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            f0bee728d69001dfc8f94f1c501fb542

            SHA1

            6a53cb88d18702029de1a890175fdba926ea05dd

            SHA256

            92b8885950c738b7e6294548617878028237847623db09ceeed8f7607e94b5e5

            SHA512

            5ad10cdf51b83995125a3d153b826ceaa4fe24e3841bfbf094a16f46a61b7b5153a66962d412c54f6f0129e059559ad8590ce4165b8d99592cef08fde692b26c

          • F:\$RECYCLE.BIN\S-1-5-21-2660163958-4080398480-1122754539-1000\_desktop.ini

            Filesize

            9B

            MD5

            2d55518fd017e47e3d2fdb1499f0a0cb

            SHA1

            5e0e91cf08f4b70c94d582ee42471bf8ff44c6ff

            SHA256

            d615830656bcceecc6fa1159903a379b6e729160ef16ceff51d5c27d2540e52d

            SHA512

            d689aad66c472ce7380828a7363d8626c99dc7025828ccc8f69701e3659e176cf0aa50cfc69d4d813986d823a2075067195b35843f16c1144e6d74094916c2ee

          • memory/1264-29-0x00000000024D0000-0x00000000024D1000-memory.dmp

            Filesize

            4KB

          • memory/2404-19-0x0000000000440000-0x000000000047F000-memory.dmp

            Filesize

            252KB

          • memory/2404-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2404-17-0x0000000000440000-0x000000000047F000-memory.dmp

            Filesize

            252KB

          • memory/2404-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2540-20-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2540-33-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2540-3348-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2540-4195-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB