Analysis

  • max time kernel
    75s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    24-09-2020 16:28

General

  • Target

    bonifico.exe

  • Size

    931KB

  • MD5

    920a84f8fce7b1b7bed3e1c7dfed6ace

  • SHA1

    62ec70792894b003aa5ad208b576a2e182f0d3f0

  • SHA256

    a36735377d731d16330587a190a99acbd5a1d9556e066d771268f8b4b6cd3821

  • SHA512

    f2da84c7e5f0154d45b7db2077b3bc514d6bf5d9de41888ba0469ceeb545c01455730d45144e07daabeb789ee85ca7978a55ac18cd57cfc2771204b58bb5aed2

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

xbox

C2

91.193.75.200:4726

79.134.225.97:4726

Mutex

P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • UAC bypass 3 TTPs
  • Windows security bypass 2 TTPs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • XpertRAT Core Payload 3 IoCs
  • Nirsoft 2 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Deletes itself 1 IoCs
  • Windows security modification 2 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of SetThreadContext 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bonifico.exe
    "C:\Users\Admin\AppData\Local\Temp\bonifico.exe"
    1⤵
    • Windows security modification
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:500
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4068
    • C:\Users\Admin\AppData\Local\Temp\bonifico.exe
      "C:\Users\Admin\AppData\Local\Temp\bonifico.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:2784
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\bonifico.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:1420
        • C:\Windows\SysWOW64\notepad.exe
          notepad.exe
          4⤵
          • Deletes itself
          PID:3436
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\lswapmyto0.txt"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2256
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\lswapmyto1.txt"
          4⤵
            PID:1676
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\lswapmyto2.txt"
            4⤵
              PID:696
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 696 -s 96
                5⤵
                • Program crash
                PID:3924
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\lswapmyto2.txt"
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3608
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\lswapmyto3.txt"
              4⤵
                PID:3744
              • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\lswapmyto4.txt"
                4⤵
                  PID:3912

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\lswapmyto2.txt

            MD5

            f94dc819ca773f1e3cb27abbc9e7fa27

            SHA1

            9a7700efadc5ea09ab288544ef1e3cd876255086

            SHA256

            a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

            SHA512

            72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

          • C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\lswapmyto4.txt

            MD5

            f3b25701fe362ec84616a93a45ce9998

            SHA1

            d62636d8caec13f04e28442a0a6fa1afeb024bbb

            SHA256

            b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

            SHA512

            98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

          • memory/500-12-0x0000000004F60000-0x0000000004F61000-memory.dmp

            Filesize

            4KB

          • memory/500-5-0x0000000005760000-0x0000000005761000-memory.dmp

            Filesize

            4KB

          • memory/500-1-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/500-8-0x0000000005260000-0x0000000005261000-memory.dmp

            Filesize

            4KB

          • memory/500-0-0x0000000073C70000-0x000000007435E000-memory.dmp

            Filesize

            6.9MB

          • memory/500-13-0x0000000005360000-0x0000000005361000-memory.dmp

            Filesize

            4KB

          • memory/500-14-0x0000000004F90000-0x0000000004F93000-memory.dmp

            Filesize

            12KB

          • memory/500-15-0x0000000005C90000-0x0000000005CDC000-memory.dmp

            Filesize

            304KB

          • memory/500-16-0x0000000005CE0000-0x0000000005D10000-memory.dmp

            Filesize

            192KB

          • memory/500-3-0x0000000004C60000-0x0000000004CB8000-memory.dmp

            Filesize

            352KB

          • memory/500-4-0x00000000051C0000-0x00000000051C1000-memory.dmp

            Filesize

            4KB

          • memory/696-62-0x0000000000442F04-mapping.dmp

          • memory/1420-48-0x0000000000400000-0x0000000000443000-memory.dmp

            Filesize

            268KB

          • memory/1420-50-0x0000000000400000-0x0000000000443000-memory.dmp

            Filesize

            268KB

          • memory/1420-49-0x0000000000401364-mapping.dmp

          • memory/1676-60-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1676-59-0x0000000000411654-mapping.dmp

          • memory/1676-58-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/2256-57-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/2256-56-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/2256-55-0x0000000000423BC0-mapping.dmp

          • memory/2256-54-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/2784-44-0x00000000004010B8-mapping.dmp

          • memory/2784-43-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/2784-45-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3436-53-0x0000000000000000-mapping.dmp

          • memory/3608-66-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/3608-65-0x0000000000442F04-mapping.dmp

          • memory/3608-64-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/3744-71-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/3744-70-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/3744-69-0x0000000000413750-mapping.dmp

          • memory/3744-68-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/3912-73-0x000000000040C2A8-mapping.dmp

          • memory/3912-72-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/3912-74-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/3924-63-0x0000000005100000-0x0000000005101000-memory.dmp

            Filesize

            4KB

          • memory/4068-29-0x0000000009310000-0x0000000009343000-memory.dmp

            Filesize

            204KB

          • memory/4068-26-0x00000000085B0000-0x00000000085B1000-memory.dmp

            Filesize

            4KB

          • memory/4068-20-0x0000000007660000-0x0000000007661000-memory.dmp

            Filesize

            4KB

          • memory/4068-19-0x0000000001230000-0x0000000001231000-memory.dmp

            Filesize

            4KB

          • memory/4068-22-0x0000000007D90000-0x0000000007D91000-memory.dmp

            Filesize

            4KB

          • memory/4068-23-0x0000000007560000-0x0000000007561000-memory.dmp

            Filesize

            4KB

          • memory/4068-24-0x0000000007E00000-0x0000000007E01000-memory.dmp

            Filesize

            4KB

          • memory/4068-25-0x0000000007110000-0x0000000007111000-memory.dmp

            Filesize

            4KB

          • memory/4068-18-0x0000000073C70000-0x000000007435E000-memory.dmp

            Filesize

            6.9MB

          • memory/4068-21-0x00000000074C0000-0x00000000074C1000-memory.dmp

            Filesize

            4KB

          • memory/4068-27-0x0000000008600000-0x0000000008601000-memory.dmp

            Filesize

            4KB

          • memory/4068-38-0x0000000009830000-0x0000000009831000-memory.dmp

            Filesize

            4KB

          • memory/4068-36-0x00000000092F0000-0x00000000092F1000-memory.dmp

            Filesize

            4KB

          • memory/4068-37-0x0000000009680000-0x0000000009681000-memory.dmp

            Filesize

            4KB

          • memory/4068-41-0x00000000097D0000-0x00000000097D1000-memory.dmp

            Filesize

            4KB

          • memory/4068-39-0x00000000097E0000-0x00000000097E1000-memory.dmp

            Filesize

            4KB

          • memory/4068-17-0x0000000000000000-mapping.dmp