Analysis

  • max time kernel
    146s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 17:44

General

  • Target
    Uninstall.exe
  • Size 104KB
  • Sample240611-wbbqdsvhnp
  • SHA256 7492a2a9ae55c125a8534c849479fd9e46024526f22d7bdd11e43ebe4debd2cc
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1212

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsn66BA.tmp\InstallOptions.dll
        • Size 14KB
        • SHA256 21fea4cf18de8e25d0ffa3375699150fcd04e6d470358696f2dffdd3fc09d7f3
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsn66BA.tmp\System.dll
        • Size 11KB
        • SHA256 484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2
        • MD5 SHA1 SHA512 SSDEEP

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsn66BA.tmp\ioSpecial.ini
        • Size 593B
        • SHA256 ce642558e064ea6a2f8c1260bea9eacdd951ab046eae0169872cba6422733cae
        • MD5 SHA1 SHA512

        Au_.exe

        • Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
        • Size 104KB
        • SHA256 7492a2a9ae55c125a8534c849479fd9e46024526f22d7bdd11e43ebe4debd2cc
        • MD5 SHA1 SHA512 SSDEEP