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Analysis

  • max time kernel
    149s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 14:07

General

  • Target

    ebf4667a0602438bd4b7a4d76ccccfbdbe36947dfa0c9f307b7752907efcc703.exe

  • Size

    103KB

  • MD5

    6cc9d3d7e678638c53fcb165b5573b4a

  • SHA1

    3bf1a729ca311bc430968233546ef0a3f0032c89

  • SHA256

    ebf4667a0602438bd4b7a4d76ccccfbdbe36947dfa0c9f307b7752907efcc703

  • SHA512

    f1cdabf4dee745ce38c44a86c8e4522b4ef36539136fd2adfe98593a42daa215c0a119d95cce92adbcb0088bd708cf1e8f95eb6b6a58bf05c94bffe30e73eef9

  • SSDEEP

    1536:h34TBaYaSaaJJm4oFqvArzJWJ/SFU5kM63uVu+oaMKsO6ZXFcP5:h3+BaOaaFoFims/PZYuA+AKz6S5

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 22 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:1212
      • C:\Users\Admin\AppData\Local\Temp\ebf4667a0602438bd4b7a4d76ccccfbdbe36947dfa0c9f307b7752907efcc703.exe
        "C:\Users\Admin\AppData\Local\Temp\ebf4667a0602438bd4b7a4d76ccccfbdbe36947dfa0c9f307b7752907efcc703.exe"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1688
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1044
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1828
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a30.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1272
            • C:\Users\Admin\AppData\Local\Temp\ebf4667a0602438bd4b7a4d76ccccfbdbe36947dfa0c9f307b7752907efcc703.exe
              "C:\Users\Admin\AppData\Local\Temp\ebf4667a0602438bd4b7a4d76ccccfbdbe36947dfa0c9f307b7752907efcc703.exe"
              4⤵
              • Executes dropped EXE
              PID:1756
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • Executes dropped EXE
            • Adds Run key to start application
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2040
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2004
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1700
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1932
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:1524

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$a30.bat

            Filesize

            720B

            MD5

            c68f018f4938ababbdb7ca00ad443862

            SHA1

            342b63d1f611b04090d96ffb38165a81a5fccb13

            SHA256

            dc354335c76a771d6583261cb7bf008e7df5b8b971ed6fc91904f31c1b736950

            SHA512

            fd04890a5d7103223604abf7386f1bbe7bdfa87e4aed3e1b11e424a9a3b666504a0f52bc8219169c039b417f534f21df23cb621ede52d21da022de7bc2e754ca

          • C:\Users\Admin\AppData\Local\Temp\ebf4667a0602438bd4b7a4d76ccccfbdbe36947dfa0c9f307b7752907efcc703.exe

            Filesize

            45KB

            MD5

            607329a4e981cc9cf4ddd8943b09e0e4

            SHA1

            4ad7263597df44e3c0fdd24e9dc5dace750b0b95

            SHA256

            ee0557710e5eab197ff1991a8f3c7f7b7bfb078d30c30a7a5333877b671a66e3

            SHA512

            ab69165a2827eb3f5bfe6f530366884bb25f21bf8b1922f60e78bda58ef7c1ea1fbae32ccdeefe37402dc48f68e8326bfb375aaddf05e7a09fb8f9168ace0250

          • C:\Users\Admin\AppData\Local\Temp\ebf4667a0602438bd4b7a4d76ccccfbdbe36947dfa0c9f307b7752907efcc703.exe.exe

            Filesize

            45KB

            MD5

            607329a4e981cc9cf4ddd8943b09e0e4

            SHA1

            4ad7263597df44e3c0fdd24e9dc5dace750b0b95

            SHA256

            ee0557710e5eab197ff1991a8f3c7f7b7bfb078d30c30a7a5333877b671a66e3

            SHA512

            ab69165a2827eb3f5bfe6f530366884bb25f21bf8b1922f60e78bda58ef7c1ea1fbae32ccdeefe37402dc48f68e8326bfb375aaddf05e7a09fb8f9168ace0250

          • C:\Windows\Logo1_.exe

            Filesize

            58KB

            MD5

            7a611f3086725a5767cf66e08d976690

            SHA1

            fa4a3e50b57bfcf2201f92dbbc31a7412f88a9ee

            SHA256

            4590c4e33bee20136735435314ead1448c4bdcc9c850039654900c8b1776d82e

            SHA512

            ae8d585bc380d680020218cdf80fc9055cf9faa851ed6d6f284f0f0f9c1caa580162fd2bf9fd759f60c50d9ee9d9219ec8f7a871be4c9b66e17ffaf040572ccd

          • C:\Windows\Logo1_.exe

            Filesize

            58KB

            MD5

            7a611f3086725a5767cf66e08d976690

            SHA1

            fa4a3e50b57bfcf2201f92dbbc31a7412f88a9ee

            SHA256

            4590c4e33bee20136735435314ead1448c4bdcc9c850039654900c8b1776d82e

            SHA512

            ae8d585bc380d680020218cdf80fc9055cf9faa851ed6d6f284f0f0f9c1caa580162fd2bf9fd759f60c50d9ee9d9219ec8f7a871be4c9b66e17ffaf040572ccd

          • C:\Windows\uninstall\rundl132.exe

            Filesize

            58KB

            MD5

            7a611f3086725a5767cf66e08d976690

            SHA1

            fa4a3e50b57bfcf2201f92dbbc31a7412f88a9ee

            SHA256

            4590c4e33bee20136735435314ead1448c4bdcc9c850039654900c8b1776d82e

            SHA512

            ae8d585bc380d680020218cdf80fc9055cf9faa851ed6d6f284f0f0f9c1caa580162fd2bf9fd759f60c50d9ee9d9219ec8f7a871be4c9b66e17ffaf040572ccd

          • \Users\Admin\AppData\Local\Temp\ebf4667a0602438bd4b7a4d76ccccfbdbe36947dfa0c9f307b7752907efcc703.exe

            Filesize

            45KB

            MD5

            607329a4e981cc9cf4ddd8943b09e0e4

            SHA1

            4ad7263597df44e3c0fdd24e9dc5dace750b0b95

            SHA256

            ee0557710e5eab197ff1991a8f3c7f7b7bfb078d30c30a7a5333877b671a66e3

            SHA512

            ab69165a2827eb3f5bfe6f530366884bb25f21bf8b1922f60e78bda58ef7c1ea1fbae32ccdeefe37402dc48f68e8326bfb375aaddf05e7a09fb8f9168ace0250

          • \Users\Admin\AppData\Local\Temp\ebf4667a0602438bd4b7a4d76ccccfbdbe36947dfa0c9f307b7752907efcc703.exe

            Filesize

            45KB

            MD5

            607329a4e981cc9cf4ddd8943b09e0e4

            SHA1

            4ad7263597df44e3c0fdd24e9dc5dace750b0b95

            SHA256

            ee0557710e5eab197ff1991a8f3c7f7b7bfb078d30c30a7a5333877b671a66e3

            SHA512

            ab69165a2827eb3f5bfe6f530366884bb25f21bf8b1922f60e78bda58ef7c1ea1fbae32ccdeefe37402dc48f68e8326bfb375aaddf05e7a09fb8f9168ace0250

          • memory/1688-61-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1688-57-0x0000000000020000-0x0000000000040000-memory.dmp

            Filesize

            128KB

          • memory/1688-56-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2040-71-0x0000000000020000-0x0000000000040000-memory.dmp

            Filesize

            128KB

          • memory/2040-72-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2040-76-0x0000000000020000-0x0000000000040000-memory.dmp

            Filesize

            128KB

          • memory/2040-77-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB