Analysis

  • max time kernel
    128s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    24-10-2021 23:38

General

  • Target

    36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe

  • Size

    69KB

  • MD5

    2cd4afe2b620eb73e0adc46cf8ce8da4

  • SHA1

    e1cb6f41e2eeaae01cc895ea5f7427b70cdf572a

  • SHA256

    36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a

  • SHA512

    f17c7aaa8becb1f783349bf1e042b1c8faa32ed8b6fe4f1576f331b2ab4670792939f6f88f4b5efd735e56a703c00079b7065ac621e647a4d07fa2eea15b4ba8

Malware Config

Signatures

  • UAC bypass 3 TTPs
  • Windows security bypass 2 TTPs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Program crash 4 IoCs
  • Suspicious use of SetThreadContext 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe
    "C:\Users\Admin\AppData\Local\Temp\36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Users\Admin\AppData\Local\Temp\36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe
      C:\Users\Admin\AppData\Local\Temp\36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe
      2⤵
      • Windows security modification
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:3276
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe
        3⤵
          PID:1228
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1228 -s 96
            4⤵
            • Program crash
            PID:2816
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          C:\Users\Admin\AppData\Local\Temp\36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe
          3⤵
            PID:2588
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 92
              4⤵
              • Program crash
              PID:2128
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            C:\Users\Admin\AppData\Local\Temp\36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe
            3⤵
              PID:1396
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 92
                4⤵
                • Program crash
                PID:1316
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              C:\Users\Admin\AppData\Local\Temp\36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe
              3⤵
              • Adds policy Run key to start application
              • Adds Run key to start application
              • Suspicious use of SetThreadContext
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2996
              • C:\Windows\SysWOW64\notepad.exe
                notepad.exe
                4⤵
                • Deletes itself
                PID:1648
              • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                /stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\molvkhzkb0.txt"
                4⤵
                  PID:924
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 924 -s 92
                    5⤵
                    • Program crash
                    PID:2940
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  /stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\molvkhzkb0.txt"
                  4⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2260
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  /stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\molvkhzkb1.txt"
                  4⤵
                  • Accesses Microsoft Outlook accounts
                  PID:1768
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  /stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\molvkhzkb2.txt"
                  4⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1780
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  /stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\molvkhzkb3.txt"
                  4⤵
                    PID:3096
                  • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                    /stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\molvkhzkb4.txt"
                    4⤵
                      PID:2124
                  • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                    C:\Users\Admin\AppData\Local\Temp\36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    PID:436
                  • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                    C:\Users\Admin\AppData\Local\Temp\36e7deadeeb8b242b2cdbf3b561899ed1ac51bbdbc194ab046ae961c76e0086a.exe
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    PID:1560

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\molvkhzkb2.txt

                MD5

                f94dc819ca773f1e3cb27abbc9e7fa27

                SHA1

                9a7700efadc5ea09ab288544ef1e3cd876255086

                SHA256

                a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

                SHA512

                72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

              • C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\molvkhzkb4.txt

                MD5

                f3b25701fe362ec84616a93a45ce9998

                SHA1

                d62636d8caec13f04e28442a0a6fa1afeb024bbb

                SHA256

                b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                SHA512

                98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

              • memory/436-131-0x0000000000401364-mapping.dmp

              • memory/924-134-0x0000000000423BC0-mapping.dmp

              • memory/1228-126-0x0000000000401364-mapping.dmp

              • memory/1396-129-0x0000000000401364-mapping.dmp

              • memory/1560-133-0x0000000000401364-mapping.dmp

              • memory/1648-132-0x0000000000000000-mapping.dmp

              • memory/1768-136-0x0000000000411654-mapping.dmp

              • memory/1780-137-0x0000000000442F04-mapping.dmp

              • memory/2124-140-0x000000000040C2A8-mapping.dmp

              • memory/2260-135-0x0000000000423BC0-mapping.dmp

              • memory/2588-128-0x0000000000401364-mapping.dmp

              • memory/2708-120-0x00000000060D0000-0x00000000060D1000-memory.dmp

                Filesize

                4KB

              • memory/2708-115-0x0000000000310000-0x0000000000311000-memory.dmp

                Filesize

                4KB

              • memory/2708-121-0x00000000059E0000-0x0000000005A10000-memory.dmp

                Filesize

                192KB

              • memory/2708-119-0x0000000005B60000-0x0000000005B61000-memory.dmp

                Filesize

                4KB

              • memory/2708-118-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

                Filesize

                4KB

              • memory/2708-117-0x00000000058E0000-0x000000000593D000-memory.dmp

                Filesize

                372KB

              • memory/2996-130-0x0000000000401364-mapping.dmp

              • memory/3096-139-0x0000000000413750-mapping.dmp

              • memory/3276-127-0x0000000000400000-0x000000000042C000-memory.dmp

                Filesize

                176KB

              • memory/3276-122-0x0000000000400000-0x000000000042C000-memory.dmp

                Filesize

                176KB

              • memory/3276-123-0x00000000004010B8-mapping.dmp