Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 11:37

General

  • Target

    rFACTURARECTIFICATIVA.scr.exe

  • Size

    681KB

  • MD5

    722933abdf7d14140b75416407ab022f

  • SHA1

    62bf1ea28e5d5c1ca43f969b6850da2529c8eba6

  • SHA256

    8ba0d4d313a7c67b7f9113bc7b26647b251fcea6a9efee3f05dcb88f249efd15

  • SHA512

    cd4d80f308c19ccd628d044042b30a24a63e075f50242d4623ec1331708e14d71ebb4811fe2a236612bb67090bc383e05e0817e938120d8566eacfa8764759f5

  • SSDEEP

    12288:XLz/RiAIB6LhDrqDpEkvD5drAA+nBV+j5sMeKW6U8h/tLVlDIF6pj1KbIO4kR:7zZfIaedr7AA4S5kj03JIFc1S

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wizxKKeZE.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wizxKKeZE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4894.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2656
    • C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe"
      2⤵
        PID:2852
      • C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe
        "C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe"
        2⤵
          PID:2780
        • C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe
          "C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe"
          2⤵
            PID:2756
          • C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe
            "C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe"
            2⤵
              PID:1976
            • C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe
              "C:\Users\Admin\AppData\Local\Temp\rFACTURARECTIFICATIVA.scr.exe"
              2⤵
                PID:2672

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp4894.tmp

              Filesize

              1KB

              MD5

              191ecc63a085b511046669efc581b6df

              SHA1

              12b650c638dd0314b9a5f6df7c37bc207fa091cb

              SHA256

              81015a1b9f0c9def1cf62276c3a017ac8530659e8069edd9a8dff26ca52d60b3

              SHA512

              61d95c5fb93afaf63848cf2f52d63161b425ee5c6ae2c3b7acfdd6d76a728d4aba725edf4fa72ca505505a06fa0d77a545b7d822616dc457e7b2baee2217bc0e

            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZZKNN9B8YX4NUTQ3PC01.temp

              Filesize

              7KB

              MD5

              2d85275c0606e48876ef210726bb2eb7

              SHA1

              747c8b78a93e7c0ea924fd8ea38ec6db49d5040b

              SHA256

              66b6ff1db22ee6e1fd546a8a9c78574f5df9c5231d61376f037f1f334deb8e3a

              SHA512

              65e4254c01906b64f91832d135efa141443768de67847a712b2e448683861c715a2777f774f5795cb43144d63c858aea408184e7f104d5e815b9885a3170408f

            • memory/2108-0-0x0000000073EBE000-0x0000000073EBF000-memory.dmp

              Filesize

              4KB

            • memory/2108-1-0x00000000003B0000-0x000000000045C000-memory.dmp

              Filesize

              688KB

            • memory/2108-2-0x0000000073EB0000-0x000000007459E000-memory.dmp

              Filesize

              6.9MB

            • memory/2108-3-0x0000000004A60000-0x0000000004B00000-memory.dmp

              Filesize

              640KB

            • memory/2108-4-0x0000000000710000-0x000000000072A000-memory.dmp

              Filesize

              104KB

            • memory/2108-5-0x0000000000460000-0x0000000000470000-memory.dmp

              Filesize

              64KB

            • memory/2108-6-0x0000000005380000-0x0000000005402000-memory.dmp

              Filesize

              520KB

            • memory/2108-19-0x0000000073EB0000-0x000000007459E000-memory.dmp

              Filesize

              6.9MB