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Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 07:19

General

  • Target

    9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe

  • Size

    1.9MB

  • MD5

    68075729b8309da2d713f6889c56e5ee

  • SHA1

    128aae7ab7937ee67b57078c8967ef9fa563773f

  • SHA256

    9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007

  • SHA512

    07cec513127965c095ef918a8a48d0f267a85ac41943150f8277277ffe972a28299cdc60f7b1b5f4747c88ef32acfe5a30087c511fca7702f1018fdc643c2369

  • SSDEEP

    24576:IwsjEj8VmoUGsqGzqMu1uTd7D0wb+VFC4ifvMNcgkLCZz/IUBxWzQYuyBSGG5l1:IwsjhVhslqMsiZfb+PifvrgkLmmQVyBe

Score
9/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe
    "C:\Users\Admin\AppData\Local\Temp\9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Program Files\Internet Explorer\zz.exe
      "C:\Program Files\Internet Explorer\zz.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 1684
      2⤵
      • Program crash
      PID:2356
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 1684
      2⤵
      • Program crash
      PID:4948
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5080 -ip 5080
    1⤵
      PID:3508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5080 -ip 5080
      1⤵
        PID:4912

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Program Files\Internet Explorer\zz.exe

        Filesize

        672KB

        MD5

        500f4ba64f32b8f633bef1912b32d53d

        SHA1

        0ee886f7783b95b601cc8e9248da75aa07341803

        SHA256

        4fd18cbdb8220aec50e1194bc4a91fb43e077611ed61fc4fe4a5c49f9d9b5fa7

        SHA512

        bd690661338a1a7ebebd043e1fc0c8c236208308569b174a8730255ae5129e75b827979f878376cc8ae50eb0cad0bd9a2736df19b8344ac2cd302cd0182c89df

      • C:\Program Files\Internet Explorer\zz.exe

        Filesize

        672KB

        MD5

        500f4ba64f32b8f633bef1912b32d53d

        SHA1

        0ee886f7783b95b601cc8e9248da75aa07341803

        SHA256

        4fd18cbdb8220aec50e1194bc4a91fb43e077611ed61fc4fe4a5c49f9d9b5fa7

        SHA512

        bd690661338a1a7ebebd043e1fc0c8c236208308569b174a8730255ae5129e75b827979f878376cc8ae50eb0cad0bd9a2736df19b8344ac2cd302cd0182c89df

      • C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll

        Filesize

        86KB

        MD5

        147127382e001f495d1842ee7a9e7912

        SHA1

        92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

        SHA256

        edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

        SHA512

        97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

      • memory/5080-132-0x0000000000400000-0x000000000073A200-memory.dmp

        Filesize

        3.2MB

      • memory/5080-137-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/5080-138-0x0000000000400000-0x000000000073A200-memory.dmp

        Filesize

        3.2MB