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Analysis

  • max time kernel
    152s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2022, 23:59

General

  • Target

    627a8f66ca021eb8a619af54c640ab7be315d020fa2520d4bc92dbb125a63d3d.exe

  • Size

    216KB

  • MD5

    ab2dd7793af3276096a3b0b886135ebc

  • SHA1

    26c7020a3f276412c751138bfff62b59343a61a9

  • SHA256

    627a8f66ca021eb8a619af54c640ab7be315d020fa2520d4bc92dbb125a63d3d

  • SHA512

    7de1e7eb21c4f800154774b7805d2026c0d73b0457722bc453a08270c36bc4a726bcf17c941fcfab3392b1fa15ed5a94bd303aa85f57a24b7dfc3985f336f456

  • SSDEEP

    6144:iyKJEPV/zuy6j5pD/bDi6EyfjWu4aU3hkl4uHACTuwFPf:i3K/zuy6j5l/SyfCuA0hxf

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 9 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\627a8f66ca021eb8a619af54c640ab7be315d020fa2520d4bc92dbb125a63d3d.exe
    "C:\Users\Admin\AppData\Local\Temp\627a8f66ca021eb8a619af54c640ab7be315d020fa2520d4bc92dbb125a63d3d.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\reg.exe
      reg.exe add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows" /t REG_SZ /f /v load /d "C:\Users\Admin\AppData\Local\Temp\msnat1c9f41f.exe"
      2⤵
        PID:1972
      • C:\Windows\SysWOW64\reg.exe
        reg.exe add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /t REG_SZ /f /v msnat64f218f /d "C:\Users\Admin\AppData\Local\Temp\msnat1c9f41f.exe"
        2⤵
        • Adds Run key to start application
        PID:340
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        2⤵
          PID:1464
      • C:\Windows\SysWOW64\msnat4f0f42ff.exe
        C:\Windows\SysWOW64\msnat4f0f42ff.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:868
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          PID:520

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\msnat4f0f42ff.exe

        Filesize

        216KB

        MD5

        ab2dd7793af3276096a3b0b886135ebc

        SHA1

        26c7020a3f276412c751138bfff62b59343a61a9

        SHA256

        627a8f66ca021eb8a619af54c640ab7be315d020fa2520d4bc92dbb125a63d3d

        SHA512

        7de1e7eb21c4f800154774b7805d2026c0d73b0457722bc453a08270c36bc4a726bcf17c941fcfab3392b1fa15ed5a94bd303aa85f57a24b7dfc3985f336f456

      • memory/520-72-0x00000000202D0000-0x00000000202FC000-memory.dmp

        Filesize

        176KB

      • memory/520-69-0x00000000202D0000-0x00000000202FC000-memory.dmp

        Filesize

        176KB

      • memory/520-62-0x00000000202D0000-0x00000000202FC000-memory.dmp

        Filesize

        176KB

      • memory/868-65-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/868-71-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/1464-70-0x00000000203D0000-0x00000000203FC000-memory.dmp

        Filesize

        176KB

      • memory/1464-73-0x00000000203D0000-0x00000000203FC000-memory.dmp

        Filesize

        176KB

      • memory/1708-54-0x0000000075591000-0x0000000075593000-memory.dmp

        Filesize

        8KB

      • memory/1708-68-0x0000000000400000-0x000000000043E000-memory.dmp

        Filesize

        248KB

      • memory/1708-56-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/1708-55-0x0000000000260000-0x000000000027D000-memory.dmp

        Filesize

        116KB