Analysis

  • max time kernel
    72s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7
  • 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 MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 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
  • Suspicious use of SetThreadContext 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 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:1464
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2040
    • 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:568
      • 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:744
        • C:\Windows\SysWOW64\notepad.exe
          notepad.exe
          4⤵
          • Deletes itself
          PID:1112
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\quoayewfp0.txt"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1544
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\quoayewfp1.txt"
          4⤵
            PID:1860
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\quoayewfp2.txt"
            4⤵
              PID:1572
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\quoayewfp3.txt"
              4⤵
                PID:1020
              • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\quoayewfp3.txt"
                4⤵
                  PID:324
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  /stext "C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\quoayewfp4.txt"
                  4⤵
                    PID:1692

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\quoayewfp2.txt

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • C:\Users\Admin\AppData\Roaming\P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6\quoayewfp4.txt

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • memory/324-81-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/324-82-0x0000000000413750-mapping.dmp

            • memory/324-83-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/324-84-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/568-66-0x0000000000290000-0x0000000000294000-memory.dmp

              Filesize

              16KB

            • memory/568-67-0x00000000028F0000-0x00000000028F4000-memory.dmp

              Filesize

              16KB

            • memory/568-56-0x00000000004010B8-mapping.dmp

            • memory/568-55-0x0000000000400000-0x000000000042C000-memory.dmp

              Filesize

              176KB

            • memory/744-60-0x0000000000400000-0x0000000000443000-memory.dmp

              Filesize

              268KB

            • memory/744-61-0x0000000000401364-mapping.dmp

            • memory/744-62-0x0000000000400000-0x0000000000443000-memory.dmp

              Filesize

              268KB

            • memory/1020-80-0x0000000000413750-mapping.dmp

            • memory/1112-65-0x0000000000000000-mapping.dmp

            • memory/1464-14-0x00000000023D0000-0x0000000002400000-memory.dmp

              Filesize

              192KB

            • memory/1464-0-0x00000000745D0000-0x0000000074CBE000-memory.dmp

              Filesize

              6.9MB

            • memory/1464-13-0x0000000002260000-0x00000000022AC000-memory.dmp

              Filesize

              304KB

            • memory/1464-12-0x0000000000460000-0x0000000000463000-memory.dmp

              Filesize

              12KB

            • memory/1464-4-0x0000000000220000-0x0000000000230000-memory.dmp

              Filesize

              64KB

            • memory/1464-3-0x00000000007D0000-0x0000000000828000-memory.dmp

              Filesize

              352KB

            • memory/1464-1-0x0000000000860000-0x0000000000861000-memory.dmp

              Filesize

              4KB

            • memory/1544-70-0x0000000000400000-0x0000000000426000-memory.dmp

              Filesize

              152KB

            • memory/1544-69-0x0000000000423BC0-mapping.dmp

            • memory/1544-68-0x0000000000400000-0x0000000000426000-memory.dmp

              Filesize

              152KB

            • memory/1544-71-0x0000000000400000-0x0000000000426000-memory.dmp

              Filesize

              152KB

            • memory/1572-76-0x0000000000442F04-mapping.dmp

            • memory/1572-75-0x0000000000400000-0x0000000000459000-memory.dmp

              Filesize

              356KB

            • memory/1572-77-0x0000000000400000-0x0000000000459000-memory.dmp

              Filesize

              356KB

            • memory/1692-87-0x0000000000400000-0x0000000000415000-memory.dmp

              Filesize

              84KB

            • memory/1692-86-0x000000000040C2A8-mapping.dmp

            • memory/1692-85-0x0000000000400000-0x0000000000415000-memory.dmp

              Filesize

              84KB

            • memory/1860-72-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/1860-73-0x0000000000411654-mapping.dmp

            • memory/1860-74-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2040-21-0x0000000005260000-0x0000000005261000-memory.dmp

              Filesize

              4KB

            • memory/2040-29-0x0000000006060000-0x0000000006061000-memory.dmp

              Filesize

              4KB

            • memory/2040-30-0x0000000006180000-0x0000000006181000-memory.dmp

              Filesize

              4KB

            • memory/2040-24-0x0000000006000000-0x0000000006001000-memory.dmp

              Filesize

              4KB

            • memory/2040-53-0x0000000006330000-0x0000000006331000-memory.dmp

              Filesize

              4KB

            • memory/2040-20-0x0000000000F90000-0x0000000000F91000-memory.dmp

              Filesize

              4KB

            • memory/2040-19-0x00000000048B0000-0x00000000048B1000-memory.dmp

              Filesize

              4KB

            • memory/2040-18-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

              Filesize

              4KB

            • memory/2040-17-0x00000000745D0000-0x0000000074CBE000-memory.dmp

              Filesize

              6.9MB

            • memory/2040-37-0x00000000062A0000-0x00000000062A1000-memory.dmp

              Filesize

              4KB

            • memory/2040-38-0x0000000005FC0000-0x0000000005FC1000-memory.dmp

              Filesize

              4KB

            • memory/2040-52-0x0000000006320000-0x0000000006321000-memory.dmp

              Filesize

              4KB

            • memory/2040-16-0x0000000000000000-mapping.dmp