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Analysis

  • max time kernel
    67s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2023, 15:29

General

  • Target

    c0f53d470561a5893415cc00e7274748ab0bbc5ddf66aca33b84c282a85e0784.exe

  • Size

    1.7MB

  • MD5

    9ae09c473affb94341b24a8437a3c0b0

  • SHA1

    4508d94fdf222f94cda8a65d4ac36b6c15818d8f

  • SHA256

    c0f53d470561a5893415cc00e7274748ab0bbc5ddf66aca33b84c282a85e0784

  • SHA512

    d78ac0bbf6c531cf62292421a5b2f87111f2b323d414a340cba5122293743ef5bab1f600a810f51e4a8349bf3d980c6bae5f1fc0dbb4a12b27acb0b533359d25

  • SSDEEP

    24576:yB/9X1U+8K0VoV5VTQn4SvVVxhD92gHcZvz2UGBth0dG08y:yBZ1U+87Vo3FLSZhD92QcZz2Ugt4G+

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 use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1432
      • C:\Users\Admin\AppData\Local\Temp\c0f53d470561a5893415cc00e7274748ab0bbc5ddf66aca33b84c282a85e0784.exe
        "C:\Users\Admin\AppData\Local\Temp\c0f53d470561a5893415cc00e7274748ab0bbc5ddf66aca33b84c282a85e0784.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2588
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2992
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1572
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a75FB.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2724
            • C:\Users\Admin\AppData\Local\Temp\c0f53d470561a5893415cc00e7274748ab0bbc5ddf66aca33b84c282a85e0784.exe
              "C:\Users\Admin\AppData\Local\Temp\c0f53d470561a5893415cc00e7274748ab0bbc5ddf66aca33b84c282a85e0784.exe"
              4⤵
              • Executes dropped EXE
              PID:2996
          • 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:2708
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2768
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2788
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2548
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2508

          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

            c9f62cdf792d8595a2b248e96cf16235

            SHA1

            ab871903438a30aa1cc5f1cc8f9743aa51f8d165

            SHA256

            a16968ad39ce9c8fc683c4de8a43c846894b1a2f0e9fd906be06f214d7dc6546

            SHA512

            594e3ceb217d61aeeed97d0151082283f675bf8f6b720b4ffe5c73fcedb99e582fa219f08294d25b1688769bf87aafe1e12466c15e536cc93c6e173c334dc1ad

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

            Filesize

            477KB

            MD5

            c6c3f9890c41439a4dfc9fd4bec7b0bd

            SHA1

            f5c4a05f34d1a08abf73514f5b3ddcedc704f2f0

            SHA256

            462f333d5748c1a756e2565a2d76f89c9fdafb8d2fa62a83c60e4f70d0da2f92

            SHA512

            69212e26a76e5e67e2b1337bfd97ad766293d6c0093ce0d8ef5fa768cd002094d9de936620a479bb474e27ff359b08d751ccfe37b9a15824f39b548596a9098a

          • C:\Users\Admin\AppData\Local\Temp\$$a75FB.bat

            Filesize

            722B

            MD5

            1b58e81e862c2b6dd565ba80952f6862

            SHA1

            5fcb9675a42e023739b7b84fb38a8818bbbc6ea9

            SHA256

            bfb847eb299e6f9d9754a66227a050f968792ff8a872acdeb04abedf080fbaef

            SHA512

            378b1cb1e514263af7efe1cbbacbf14a9f360e30a053a522c71d095902689209465384a075e60c56c4c5985c69d01ea4e1c97ec0d32fd613509a8e19cb057266

          • C:\Users\Admin\AppData\Local\Temp\$$a75FB.bat

            Filesize

            722B

            MD5

            1b58e81e862c2b6dd565ba80952f6862

            SHA1

            5fcb9675a42e023739b7b84fb38a8818bbbc6ea9

            SHA256

            bfb847eb299e6f9d9754a66227a050f968792ff8a872acdeb04abedf080fbaef

            SHA512

            378b1cb1e514263af7efe1cbbacbf14a9f360e30a053a522c71d095902689209465384a075e60c56c4c5985c69d01ea4e1c97ec0d32fd613509a8e19cb057266

          • C:\Users\Admin\AppData\Local\Temp\c0f53d470561a5893415cc00e7274748ab0bbc5ddf66aca33b84c282a85e0784.exe

            Filesize

            1.7MB

            MD5

            a53dcb91c835f5076f65ef98fdb92827

            SHA1

            5995780233bf3572ae80f992a137f75fca24244e

            SHA256

            07e06a96da660c6296371cde6efae465ea24e4ebd5a9ef0756466dcb050c1853

            SHA512

            f2912326f3b48a7b2b74a271eae93141e3537feebcc425a66d2fb19e2cfe2156bc24b071fcd7d433358a042951055712333b2cf94569ab1ee6023c6aaddcf1e3

          • C:\Users\Admin\AppData\Local\Temp\c0f53d470561a5893415cc00e7274748ab0bbc5ddf66aca33b84c282a85e0784.exe.exe

            Filesize

            1.7MB

            MD5

            a53dcb91c835f5076f65ef98fdb92827

            SHA1

            5995780233bf3572ae80f992a137f75fca24244e

            SHA256

            07e06a96da660c6296371cde6efae465ea24e4ebd5a9ef0756466dcb050c1853

            SHA512

            f2912326f3b48a7b2b74a271eae93141e3537feebcc425a66d2fb19e2cfe2156bc24b071fcd7d433358a042951055712333b2cf94569ab1ee6023c6aaddcf1e3

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            72d0760a141a8c6e3946ca30f03a8182

            SHA1

            c481b2216bd07ab52882f5276e98871489e87c00

            SHA256

            ff902aba4eaf5ad8e5eb9b5d0de1b69cc80a5b0b56b3c60402150ec5ce603ead

            SHA512

            1c729e8821a1e382bbedcfada5cf0ccf8d5ad0178d0ceaf037f3d0f1e7b55087a3e88e49d79976337fa40340cab777a2202accbdf04a3f5e0f7c82c9818cfc01

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            72d0760a141a8c6e3946ca30f03a8182

            SHA1

            c481b2216bd07ab52882f5276e98871489e87c00

            SHA256

            ff902aba4eaf5ad8e5eb9b5d0de1b69cc80a5b0b56b3c60402150ec5ce603ead

            SHA512

            1c729e8821a1e382bbedcfada5cf0ccf8d5ad0178d0ceaf037f3d0f1e7b55087a3e88e49d79976337fa40340cab777a2202accbdf04a3f5e0f7c82c9818cfc01

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            72d0760a141a8c6e3946ca30f03a8182

            SHA1

            c481b2216bd07ab52882f5276e98871489e87c00

            SHA256

            ff902aba4eaf5ad8e5eb9b5d0de1b69cc80a5b0b56b3c60402150ec5ce603ead

            SHA512

            1c729e8821a1e382bbedcfada5cf0ccf8d5ad0178d0ceaf037f3d0f1e7b55087a3e88e49d79976337fa40340cab777a2202accbdf04a3f5e0f7c82c9818cfc01

          • C:\Windows\rundl132.exe

            Filesize

            33KB

            MD5

            72d0760a141a8c6e3946ca30f03a8182

            SHA1

            c481b2216bd07ab52882f5276e98871489e87c00

            SHA256

            ff902aba4eaf5ad8e5eb9b5d0de1b69cc80a5b0b56b3c60402150ec5ce603ead

            SHA512

            1c729e8821a1e382bbedcfada5cf0ccf8d5ad0178d0ceaf037f3d0f1e7b55087a3e88e49d79976337fa40340cab777a2202accbdf04a3f5e0f7c82c9818cfc01

          • F:\$RECYCLE.BIN\S-1-5-21-3185155662-718608226-894467740-1000\_desktop.ini

            Filesize

            10B

            MD5

            d3c36a72fc1c8bd61b57107d5d012a29

            SHA1

            2a13da90a3c63c88dd43ae9c670876f0dd0fc03e

            SHA256

            a2f94b462f3497d26399b1f5eda449b87e3ded10e09de07369f6a984eff5383d

            SHA512

            4c08a9bdba23ece3ba391c1cd3696b046892c028f94e04e955fbee3a13dc181f1073c8f6e686529dd613bd468297d6b21a7de318ae61b88a2d642f3215c20232

          • \Users\Admin\AppData\Local\Temp\c0f53d470561a5893415cc00e7274748ab0bbc5ddf66aca33b84c282a85e0784.exe

            Filesize

            1.7MB

            MD5

            a53dcb91c835f5076f65ef98fdb92827

            SHA1

            5995780233bf3572ae80f992a137f75fca24244e

            SHA256

            07e06a96da660c6296371cde6efae465ea24e4ebd5a9ef0756466dcb050c1853

            SHA512

            f2912326f3b48a7b2b74a271eae93141e3537feebcc425a66d2fb19e2cfe2156bc24b071fcd7d433358a042951055712333b2cf94569ab1ee6023c6aaddcf1e3

          • memory/1432-27-0x0000000002720000-0x0000000002721000-memory.dmp

            Filesize

            4KB

          • memory/2588-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2588-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2588-12-0x0000000000230000-0x000000000026F000-memory.dmp

            Filesize

            252KB

          • memory/2708-31-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2708-299-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2708-1969-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2708-17-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2708-3324-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB