Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2024, 05:15

General

  • Target

    646f0410180fb0bb7ff882e0ec3d33dbc529c41e49282db85bd20b7676aa8000N.exe

  • Size

    88KB

  • MD5

    61616fda06b8daf259c0a121d1789d70

  • SHA1

    a624a79c505c9d4cd3ee6a9b2eac31e76b5b2240

  • SHA256

    646f0410180fb0bb7ff882e0ec3d33dbc529c41e49282db85bd20b7676aa8000

  • SHA512

    e2c0a636097650ba6f208f3f25fec2add4c283ef35568a10066eb632e5fe2ec8894da99e17a1be562884705cc9f1813f9354bea843b752499253742231d17b0f

  • SSDEEP

    768:sIUdWE7LeTqm+63K5a+gN2blw01sZoy4/naT8cIRMtZtUFjHLJgWiEEDZWGxLXle:sJ7LEq6OHg7ro/CQPipwgWiEwgql9Kj

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

    remove IFEO.

  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 17 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 8 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:608
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3392
        • C:\Users\Admin\AppData\Local\Temp\646f0410180fb0bb7ff882e0ec3d33dbc529c41e49282db85bd20b7676aa8000N.exe
          "C:\Users\Admin\AppData\Local\Temp\646f0410180fb0bb7ff882e0ec3d33dbc529c41e49282db85bd20b7676aa8000N.exe"
          2⤵
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1256
          • C:\Windows\SysWOW64\ektiveax-easat.exe
            "C:\Windows\SysWOW64\ektiveax-easat.exe"
            3⤵
            • Windows security bypass
            • Boot or Logon Autostart Execution: Active Setup
            • Event Triggered Execution: Image File Execution Options Injection
            • Executes dropped EXE
            • Windows security modification
            • Indicator Removal: Clear Persistence
            • Modifies WinLogon
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1972
            • C:\Windows\SysWOW64\ektiveax-easat.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2572

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\ektiveax-easat.exe

              Filesize

              86KB

              MD5

              3a9d9a42d837c07e9316533bccd969ea

              SHA1

              14d43d38fcfb7a78fef0552df9c0be9ce1370a88

              SHA256

              975479862cd774f2ce3d344fd3280e4af96c7915e9524785d9e9197c62866a06

              SHA512

              35bc75f06c8b5d8ec905fbf713c4348dca73f7aaee2db4936d0b22ca58591d42fdf8d970b0eb9d5f04a6303516772e535486fcc6141c40057a18f1f7817eccb6

            • C:\Windows\SysWOW64\imdoavex-umid.exe

              Filesize

              89KB

              MD5

              0d541838a3bca5764dc0a15da0919f09

              SHA1

              413038ebe62adcfb0ca9742119ee2b93d483741f

              SHA256

              8ee871a3e3774ec9119d752ba7f43a2c34a4d194cc1c587a0cb808d3c41edac6

              SHA512

              77b9d777d8a96ea834bccff0eab844a1aa4d54b53d5efdfb9f9e051197781e6caff09579bd35c9febe1b069215f30e787bb13c6cdff3e0f8f1e5e993aa8df34d

            • C:\Windows\SysWOW64\ocnuces-obur.dll

              Filesize

              5KB

              MD5

              c8521a5fdd1c9387d536f599d850b195

              SHA1

              a543080665107b7e32bcc1ed19dbfbc1d2931356

              SHA256

              fa8f77b6daf775d66de9d27c1d896168a792057358e518c00e72b8964b966ca5

              SHA512

              541500e2cd502852a007d29badc1a1848d187245f78ec272281bab290cc6e308f0ae6d1b96863e0c30a176b16c6cf7e63e08a8de81a84615e4710e7164a805cd

            • C:\Windows\SysWOW64\ucmeavoh.exe

              Filesize

              88KB

              MD5

              ef6ed4b9ecc392c05f1c4dadf7c452ae

              SHA1

              e0d2518913e5a5467a65c0d01aca86563ce77731

              SHA256

              ac002f947b5e42a4ac477f2d53929b609e8854f0d993396bb8eda108b563cac4

              SHA512

              07c204d23e7e5d250b24bac7f9fad7621b0957c137c891351060316c5bd13d410805cca5053acba319334052ed916d9de0cc10631b4310e64708249d1ef0660a

            • memory/1256-3-0x0000000000400000-0x0000000000403000-memory.dmp

              Filesize

              12KB

            • memory/1972-4-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1972-39-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2572-44-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB