Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/02/2024, 22:23

General

  • Target
    $TEMP/vcredist_x86_2015.exe
  • Size 13.1MB
  • Sample240222-2avprsgc46
  • SHA256 fdd1e1f0dcae2d0aa0720895eff33b927d13076e64464bb7c7e5843b7667cd14
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\vcredist_x86_2015.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\vcredist_x86_2015.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Users\Admin\AppData\Local\Temp\$TEMP\vcredist_x86_2015.exe
      "C:\Users\Admin\AppData\Local\Temp\$TEMP\vcredist_x86_2015.exe" -burn.unelevated BurnPipe.{84E7CC31-D778-40A3-90A7-F558E8F569DC} {D04EDDC8-0DDE-4BB2-8119-97368721DAB8} 4136
      2⤵
      • Loads dropped DLL
      PID:2484

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        logo.png

        • Path C:\Users\Admin\AppData\Local\Temp\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\logo.png
        • Size 1KB
        • SHA256 335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
        • MD5 SHA1 SHA512

        wixstdba.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\wixstdba.dll
        • Size 118KB
        • SHA256 a9295ad4e909f979e2b6cb2b2495c3d35c8517e689cd64a918c690e17b49078b
        • MD5 SHA1 SHA512 SSDEEP