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Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2023, 19:28

General

  • Target

    Fluster.Installer.exe

  • Size

    20KB

  • MD5

    efa51e048948bf4d35a671d5e70d966d

  • SHA1

    a34040e4f8600b2bf5da78c352827fa884ac4a66

  • SHA256

    93418ec61e1f96a46e9f64b3858e3c8dd4f0530083d6eace8d691ef319d4535f

  • SHA512

    1b3536ca4df42ef23e04276db52f0e46e68b189c45ac9b5e00fb16996e3a720eb0d4ebd93b8a434c518c8189c93fe47f263b914d4021c5893f0361e2afa18d9d

  • SSDEEP

    384:vp01C2uxtRmV6d1Fd7irBYYgeaaQMgR7U3m8J:RfRs61F4uY3aaQMgR7U3m8J

Score
1/10

Malware Config

Signatures

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fluster.Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Fluster.Installer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3880
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c pause
      2⤵
        PID:4436
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:4908
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2596

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

        Filesize

        16KB

        MD5

        0a9cfc392839bb6d9b3e5aec8faca439

        SHA1

        c164d22e6fbb4a14e95ac626c45217061f953d89

        SHA256

        19d9a7d2a01d221fc837ab4e51ce2000a11ed14cc738f5850a91ea302cf84401

        SHA512

        df18b7eb22453fe7058a810f601c686132074b4c3c96cc1773f9e112c0acda17679665e831a7fe6ebf0728136af090817a2145681ebf3983d0688e36cac4609b

      • memory/2596-40-0x00000175C9200000-0x00000175C9201000-memory.dmp

        Filesize

        4KB

      • memory/2596-42-0x00000175C9400000-0x00000175C9401000-memory.dmp

        Filesize

        4KB

      • memory/2596-33-0x00000175C9200000-0x00000175C9201000-memory.dmp

        Filesize

        4KB

      • memory/2596-34-0x00000175C9200000-0x00000175C9201000-memory.dmp

        Filesize

        4KB

      • memory/2596-35-0x00000175C9200000-0x00000175C9201000-memory.dmp

        Filesize

        4KB

      • memory/2596-36-0x00000175C9200000-0x00000175C9201000-memory.dmp

        Filesize

        4KB

      • memory/2596-37-0x00000175C9200000-0x00000175C9201000-memory.dmp

        Filesize

        4KB

      • memory/2596-38-0x00000175C9200000-0x00000175C9201000-memory.dmp

        Filesize

        4KB

      • memory/2596-39-0x00000175C9200000-0x00000175C9201000-memory.dmp

        Filesize

        4KB

      • memory/2596-43-0x00000175C8E30000-0x00000175C8E31000-memory.dmp

        Filesize

        4KB

      • memory/2596-32-0x00000175C91E0000-0x00000175C91E1000-memory.dmp

        Filesize

        4KB

      • memory/2596-41-0x00000175C9400000-0x00000175C9401000-memory.dmp

        Filesize

        4KB

      • memory/2596-0-0x00000175C0B40000-0x00000175C0B50000-memory.dmp

        Filesize

        64KB

      • memory/2596-44-0x00000175C8E20000-0x00000175C8E21000-memory.dmp

        Filesize

        4KB

      • memory/2596-46-0x00000175C8E30000-0x00000175C8E31000-memory.dmp

        Filesize

        4KB

      • memory/2596-49-0x00000175C8E20000-0x00000175C8E21000-memory.dmp

        Filesize

        4KB

      • memory/2596-52-0x00000175C8D60000-0x00000175C8D61000-memory.dmp

        Filesize

        4KB

      • memory/2596-16-0x00000175C0C40000-0x00000175C0C50000-memory.dmp

        Filesize

        64KB

      • memory/2596-64-0x00000175C8F60000-0x00000175C8F61000-memory.dmp

        Filesize

        4KB

      • memory/2596-66-0x00000175C8F70000-0x00000175C8F71000-memory.dmp

        Filesize

        4KB

      • memory/2596-67-0x00000175C8F70000-0x00000175C8F71000-memory.dmp

        Filesize

        4KB

      • memory/2596-68-0x00000175C9080000-0x00000175C9081000-memory.dmp

        Filesize

        4KB