Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    03/08/2023, 15:43

General

  • Target

    revised_invoice.exe

  • Size

    828KB

  • MD5

    aba5cc62cc5479e1f5f5c733d750520a

  • SHA1

    02670702f7c840e382edabab7933b5079112b2fe

  • SHA256

    f6bdba555d1356168f7f1581949ab5ca8d6b20e9a6495e0cfcef8d3b129638a0

  • SHA512

    2e17f86ff811d65d42a16424f439fb6cf236bd5785eb282830242755a081ef9bdefec051aeb5e853d2e326c36cccb0f97178269b562a736b17f10436280edcb5

  • SSDEEP

    12288:QEKaJFds+DAOBwjoe1qtWiRW95ZZUiGTrj4z1/c7:5dYjoeYWJdZvd/O

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VCYZNOqT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2232
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VCYZNOqT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E2B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2820
    • C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe"
      2⤵
        PID:2260
      • C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe
        "C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe"
        2⤵
          PID:2836
        • C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe
          "C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe"
          2⤵
            PID:2956
          • C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe
            "C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe"
            2⤵
              PID:2064
            • C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe
              "C:\Users\Admin\AppData\Local\Temp\revised_invoice.exe"
              2⤵
                PID:2868

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\tmp1E2B.tmp

                    Filesize

                    1KB

                    MD5

                    2138db1725037b9afb08e1378d467431

                    SHA1

                    1ae329728fbe571d659319fa8960df71ddb5b9ca

                    SHA256

                    4eadbe73e4ea6ddd26f8b1168eb7a5f88aa4eeba2ab430be1650956e380d9217

                    SHA512

                    add803966ffefb58418df0966510cac03ee36b1e5abaf4eab6668faa7eb45bab126acc5bcdb45eb80150fe87030846000086c730b7a4ce28e938c8faeba13752

                  • memory/2232-72-0x0000000000830000-0x0000000000870000-memory.dmp

                    Filesize

                    256KB

                  • memory/2232-71-0x0000000074530000-0x0000000074ADB000-memory.dmp

                    Filesize

                    5.7MB

                  • memory/2232-75-0x0000000074530000-0x0000000074ADB000-memory.dmp

                    Filesize

                    5.7MB

                  • memory/2232-74-0x0000000000830000-0x0000000000870000-memory.dmp

                    Filesize

                    256KB

                  • memory/2232-73-0x0000000000830000-0x0000000000870000-memory.dmp

                    Filesize

                    256KB

                  • memory/2232-70-0x0000000074530000-0x0000000074ADB000-memory.dmp

                    Filesize

                    5.7MB

                  • memory/2248-59-0x0000000004C30000-0x0000000004C70000-memory.dmp

                    Filesize

                    256KB

                  • memory/2248-56-0x0000000004C30000-0x0000000004C70000-memory.dmp

                    Filesize

                    256KB

                  • memory/2248-61-0x0000000004BD0000-0x0000000004C34000-memory.dmp

                    Filesize

                    400KB

                  • memory/2248-60-0x0000000000520000-0x000000000052A000-memory.dmp

                    Filesize

                    40KB

                  • memory/2248-55-0x00000000743F0000-0x0000000074ADE000-memory.dmp

                    Filesize

                    6.9MB

                  • memory/2248-54-0x0000000000390000-0x0000000000466000-memory.dmp

                    Filesize

                    856KB

                  • memory/2248-67-0x00000000743F0000-0x0000000074ADE000-memory.dmp

                    Filesize

                    6.9MB

                  • memory/2248-58-0x00000000743F0000-0x0000000074ADE000-memory.dmp

                    Filesize

                    6.9MB

                  • memory/2248-57-0x0000000000510000-0x0000000000520000-memory.dmp

                    Filesize

                    64KB