Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/06/2024, 06:10

General

  • Target
    fbe4801f5a52d90a70c2be3b92a0f95b2467d5335bb0d8ec8b1b6ef8640341fd.exe
  • Size 130KB
  • Sample240605-gxddsagh77
  • SHA256 fbe4801f5a52d90a70c2be3b92a0f95b2467d5335bb0d8ec8b1b6ef8640341fd
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Detects executables built or packed with MPress PE compressor 39 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Disables use of System Restore points 1 TTPs
  • Sets file execution options in registry 2 TTPs 6 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies system executable filetype association 2 TTPs 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
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 42 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbe4801f5a52d90a70c2be3b92a0f95b2467d5335bb0d8ec8b1b6ef8640341fd.exe
    "C:\Users\Admin\AppData\Local\Temp\fbe4801f5a52d90a70c2be3b92a0f95b2467d5335bb0d8ec8b1b6ef8640341fd.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3188
    • C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\service.exe
      "C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\service.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:5064
    • C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\smss.exe
      "C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\smss.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:5040
    • C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\system.exe
      "C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\system.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Sets file execution options in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system executable filetype association
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2408
    • C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\winlogon.exe
      "C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:5024
    • C:\Windows\lsass.exe
      "C:\Windows\lsass.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:944

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        LOL7O5I.com

        • Path C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\LOL7O5I.com
        • Size 130KB
        • SHA256 dcfc98520eee6ea6cb575b5d24447e920a00d861477fecbb948621856734ee15
        • MD5 SHA1 SHA512 SSDEEP

        VNT6G3M.exe

        • Path C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\VNT6G3M.exe
        • Size 130KB
        • SHA256 70559cd73a37baecc34a168112939b4f0c67c2236e3c0308c97b656c5e7dd142
        • MD5 SHA1 SHA512 SSDEEP

        VNT6G3M.exe

        • Path C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\VNT6G3M.exe
        • Size 130KB
        • SHA256 e1f8a7e15385279472c0b74702d99ed2f437baefa35fb118966013c066e700d1
        • MD5 SHA1 SHA512 SSDEEP

        regedit.cmd

        • Path C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\regedit.cmd
        • Size 130KB
        • SHA256 2a1a9203edb32c305a58a80734039164acf9833df2437fb56580704cae59bc9e
        • MD5 SHA1 SHA512 SSDEEP

        regedit.cmd

        • Path C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\regedit.cmd
        • Size 130KB
        • SHA256 c73e10d9c2fdbfd3fcab1f1cedb7000c56a7b8c2ea2d90b667222d0ba602b5e2
        • MD5 SHA1 SHA512 SSDEEP

        smss.exe

        • Path C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\smss.exe
        • Size 130KB
        • SHA256 1f9f1584e4a9a307e5fbe26084b5c1ebf05934450694f49893d7baacfa3e0f21
        • MD5 SHA1 SHA512 SSDEEP

        system.exe

        • Path C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\system.exe
        • Size 130KB
        • SHA256 cafcbcf59d7d4c1401306f8b607bfab59a8ac4d2dfc133382c362dbe068be32b
        • MD5 SHA1 SHA512 SSDEEP

        winlogon.exe

        • Path C:\Windows\MRX3Y6M.{645FF040-5081-101B-9F08-00AA002F954E}\winlogon.exe
        • Size 130KB
        • SHA256 2622b5f4f330f310fa8b8e1f4c40f56b01c87faaa842e5f74518eb06f5a26caa
        • MD5 SHA1 SHA512 SSDEEP

        GFI7O6Y.exe

        • Path C:\Windows\SysWOW64\GFI7O6Y.exe
        • Size 130KB
        • SHA256 ebb56bc43c9c073e5081fce641258b57574b917ea21ec4a4cbdff29ce511d3d3
        • MD5 SHA1 SHA512 SSDEEP

        XSQ3X8S.cmd

        • Path C:\Windows\SysWOW64\PHI7M8V\XSQ3X8S.cmd
        • Size 130KB
        • SHA256 9f08ce1c8e2de75f642f7516149b9132b492ee560530edd0774153e6c11aa545
        • MD5 SHA1 SHA512 SSDEEP

        XSQ3X8STYK1G1E.exe

        • Path C:\Windows\SysWOW64\XSQ3X8STYK1G1E.exe
        • Size 130KB
        • SHA256 70f4e75ca4fe5b4cff0dfd753eef0d6064b7ca4529955a247700d4852e31209a
        • MD5 SHA1 SHA512 SSDEEP

        systear.dll

        • Path C:\Windows\SysWOW64\systear.dll
        • Size 127B
        • SHA256 2cc712208909f42880988f6d5d872f7c6bd1a70c201e0230baf35e4e6fd36f1e
        • MD5 SHA1 SHA512

        systear.dll

        • Path C:\Windows\SysWOW64\systear.dll
        • Size 141B
        • SHA256 9d66646fa76da9e68bcd2c88164b95a9f2c2db6b756b935de4053d2b76a399b4
        • MD5 SHA1 SHA512

        TYK1G1E.exe

        • Path C:\Windows\TYK1G1E.exe
        • Size 130KB
        • SHA256 716821e24c5579b050e8deae3a3658ae8f8b85750dffccf115bd14ac561a67de
        • MD5 SHA1 SHA512 SSDEEP

        cypreg.dll

        • Path C:\Windows\cypreg.dll
        • Size 361KB
        • SHA256 0dfa598f510d68b0a393a3c3afbc8c743cbe6d56a22761ce46b0712f81df382e
        • MD5 SHA1 SHA512 SSDEEP

        cypreg.dll

        • Path C:\Windows\cypreg.dll
        • Size 361KB
        • SHA256 94ca13a7007fb2c1db881f79c436a1b392e7a41ff8e126f5d3b4f32cfe2183c9
        • MD5 SHA1 SHA512 SSDEEP

        lsass.exe

        • Path C:\Windows\lsass.exe
        • Size 130KB
        • SHA256 948f323b2558696fea89de32f3242dc8af5590ebd166ed0f760498b9fa10e340
        • MD5 SHA1 SHA512 SSDEEP

        lsass.exe

        • Path C:\Windows\lsass.exe
        • Size 130KB
        • SHA256 fbe4801f5a52d90a70c2be3b92a0f95b2467d5335bb0d8ec8b1b6ef8640341fd
        • MD5 SHA1 SHA512 SSDEEP

        moonlight.dll

        • Path C:\Windows\moonlight.dll
        • Size 65KB
        • SHA256 4cbbe69bcd0a2debae6a584e1fa49f8d4a27f90d9cd364255bbbd930ca0a38bc
        • MD5 SHA1 SHA512 SSDEEP

        onceinabluemoon.mid

        • Path C:\Windows\onceinabluemoon.mid
        • Size 8KB
        • SHA256 c8aa5c023bf32f1c1e27b8136cf4d622101e58a80417d97271d3c0ba44528cae
        • MD5 SHA1 SHA512 SSDEEP

        msvbvm60.dll

        • Path C:\Windows\system\msvbvm60.dll
        • Size 1.4MB
        • SHA256 2160e45f6bb10d3e3a8765ffc01b42dd6a68159abf14c1a8dea2602365bb002d
        • MD5 SHA1 SHA512 SSDEEP

        msvbvm60.dll

        • Path C:\Windows\system\msvbvm60.dll
        • Size 1.4MB
        • SHA256 a0971629b884006036919ac4d076303a24ae0fff9e0d5d22f3e309f344bc5cc9
        • MD5 SHA1 SHA512 SSDEEP

        memory/944-308-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/944-337-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/2408-360-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/2408-89-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/2408-384-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/2408-372-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/2408-311-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/2408-346-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/2408-319-0x0000000010000000-0x0000000010075000-memory.dmp

        memory/2408-330-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/2408-334-0x0000000010000000-0x0000000010075000-memory.dmp

        memory/3188-0-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/3188-288-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-354-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-362-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-335-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-386-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-348-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-312-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-91-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-336-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-368-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-380-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5024-374-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5040-73-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5040-310-0x0000000000400000-0x0000000000477000-memory.dmp

        memory/5064-309-0x0000000000400000-0x0000000000477000-memory.dmp