Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 11:18

General

  • Target

    41ad149f60dd7bae69148e3b40baffb0fceb8c8e2104f64660969a2b63f380df.exe

  • Size

    367KB

  • MD5

    def4836b6232998a6986414348449b90

  • SHA1

    812b170840100f737d26c0e7372383669286018b

  • SHA256

    41ad149f60dd7bae69148e3b40baffb0fceb8c8e2104f64660969a2b63f380df

  • SHA512

    162e21adf04e30c30caaa2f216a0970ceeb66f80fb69e4e019264c8bb299450b848c225e84bdc9588f4563cfd422d8c5c9c96a6ad3759c481c000621c6e0f95e

  • SSDEEP

    6144:s46tGdy1ZCH9L5d5ezLqIFQSDdABbSbIrx1L1l3ERF:s3N1ZCH9Eq+0BbSox1QF

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • 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 use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\41ad149f60dd7bae69148e3b40baffb0fceb8c8e2104f64660969a2b63f380df.exe
        "C:\Users\Admin\AppData\Local\Temp\41ad149f60dd7bae69148e3b40baffb0fceb8c8e2104f64660969a2b63f380df.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2920
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2376
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3008
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a31DA.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2708
            • C:\Users\Admin\AppData\Local\Temp\41ad149f60dd7bae69148e3b40baffb0fceb8c8e2104f64660969a2b63f380df.exe
              "C:\Users\Admin\AppData\Local\Temp\41ad149f60dd7bae69148e3b40baffb0fceb8c8e2104f64660969a2b63f380df.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:2236
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • 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:2692
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2684
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2660
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2980
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2516

          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

            e5f3998bc1c22dc6c2154324ab8b8a88

            SHA1

            8acf8da53c10a9fab6b724f7a68d3bde5e604cfa

            SHA256

            81f9b42615679d706c582a9e907676b579a085efaf344b1b5bf84049863f1ae3

            SHA512

            a8ba3a323a02852e054eacce19bb948b4a7a5f162d31e65ff051b4e6f616b4876dd90363dca963b3cb17f9cccf7db8210b7c8782bfddd6eaa561db3727275238

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

            Filesize

            478KB

            MD5

            5a4669bf1382e7b9672b287ef6a5d990

            SHA1

            582120da714e9bd8783dcb8fa5218260f35e7399

            SHA256

            4b4df892d26fed910b2a4556a21b9da130c9af659b79b0411a30fe6c90b74820

            SHA512

            c9b970be0d22e5c8b94bcc6569fbf8570b924ce7dfe1a36b0cc5ee221448af4a1b6016a8891c1bd421040d3cdf8b3b79dae693b4003fac90354f2bea5361b1da

          • C:\Users\Admin\AppData\Local\Temp\$$a31DA.bat

            Filesize

            722B

            MD5

            fc0f6c4ccc916b86bcb73e178fe44ea9

            SHA1

            660c46cadbfaeb9178a69ef4e734627d53bc9791

            SHA256

            df273a903df5bb2088a4e8b214460d75e718d3601fc59801dbdd560e4dc65991

            SHA512

            0ace85d7ac34b8f4584b33272eae0b0e44395c1bd332f96119a6cb45861ef8bc25000265692ff8399e691233c0cd7436cf86b95977fdb983784ab07958ef459b

          • C:\Users\Admin\AppData\Local\Temp\41ad149f60dd7bae69148e3b40baffb0fceb8c8e2104f64660969a2b63f380df.exe.exe

            Filesize

            333KB

            MD5

            e5b38b9828293047f0352f7a38a22fb1

            SHA1

            681311628ac93f84371b2a069fa220dc89a3f672

            SHA256

            b85aeeaede189d9f56c843281a492cd8ada329f0b5b8b03d5a813eba3a290b61

            SHA512

            ed3e369451b938a556fb561afd6fd3ff5cfc93e386b035014fd4824a808f1e92e6d095ab33c340e6cd64ee00122fbd882abbcf0e15f3ffdb29a4fb9febe42920

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            2153cf354da7c307172859614f3a9c3b

            SHA1

            2a629da1c13602d6e88d71f9cfb19b7905c73516

            SHA256

            211a8f8795cc63347bc74cdf2769606e087f73dc885dcde698c5c332be261d75

            SHA512

            d4f19b8eb6933334d0267b7ab71066bc81af6b52302e70ed3ac7fe0d8164b4cbe1020f2a7b844031fc326a07e9e155c4b3754a560996c585d31ea28ed9c644ac

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            832B

            MD5

            7e3a0edd0c6cd8316f4b6c159d5167a1

            SHA1

            753428b4736ffb2c9e3eb50f89255b212768c55a

            SHA256

            1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

            SHA512

            9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

          • F:\$RECYCLE.BIN\S-1-5-21-268080393-3149932598-1824759070-1000\_desktop.ini

            Filesize

            9B

            MD5

            31874817e0fb055be8d2c971c0e3bbde

            SHA1

            ee8a35d6a86cb6d13f354d67d912e194bb09c74b

            SHA256

            94de8b492bc2db9a9592f7c9433547eb7f80826ed67f48d2bb7e22db9d49f544

            SHA512

            55747c69ae50fa212576d095f60cf33b42e26789cf8c34fc5120a45b1988aae95f91d9e37cb17298c5ac5243b2e4c40e1d0e084ce7fe14bceb4ebb318c65c944

          • memory/1204-29-0x0000000002540000-0x0000000002541000-memory.dmp

            Filesize

            4KB

          • memory/2692-32-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2692-19-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2692-3307-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2692-4132-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2920-17-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2920-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB