Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 12:21

General

  • Target

    Visual-C++/vcredist2015_2017_2019_x86.exe

  • Size

    13.8MB

  • MD5

    3aa2d769397da14166eacdb3640458ee

  • SHA1

    b38b7fc28c5e2ef157f93297036202911d2fc2bf

  • SHA256

    b4d433e2f66b30b478c0d080ccd5217ca2a963c16e90caf10b1e0592b7d8d519

  • SHA512

    404d2301c4719b8791639e8100eff6df7cd9c3ca62ad0a5c7ac8252f8adc2601aeefe83da982a409b9e3d901f74518ff98d2af5ebdd8cc77067be39c20eb1c56

  • SSDEEP

    196608:VRj3zJ/IflpQcIIS/Rj7BWl+aV8t8z72BxBwBgO4oqhCVKuUXaxqZYLnDwkUuK4x:Hl/mlptVYmfr7yBG/4zCoXyXDwk5UB+

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • 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\Visual-C++\vcredist2015_2017_2019_x86.exe
    "C:\Users\Admin\AppData\Local\Temp\Visual-C++\vcredist2015_2017_2019_x86.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Windows\Temp\{26AF3378-12A3-41C0-BCD7-EE6888A5E9F7}\.cr\vcredist2015_2017_2019_x86.exe
      "C:\Windows\Temp\{26AF3378-12A3-41C0-BCD7-EE6888A5E9F7}\.cr\vcredist2015_2017_2019_x86.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\Visual-C++\vcredist2015_2017_2019_x86.exe" -burn.filehandle.attached=540 -burn.filehandle.self=548
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2732

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

  • C:\Windows\Temp\{26AF3378-12A3-41C0-BCD7-EE6888A5E9F7}\.cr\vcredist2015_2017_2019_x86.exe
    Filesize

    632KB

    MD5

    68f7654abfd77baade7a36e1d718ebc4

    SHA1

    eabba5cb899aee962f85b52e359c9f85d83771b6

    SHA256

    5b60b35079913ba1e00cddf762c1759650de8a3c2b76e373b996ced4843becdb

    SHA512

    b48c4ba6112e7ac1dae5846eb41812d265a72fc13966c8f8bdf7099fec88d27b414fe566905a6eea4e2f574c379fe87059018c8a365bed55a46eea9a42b38889

  • C:\Windows\Temp\{9CC00900-7ACE-47C8-9C5F-A7CC814CDF11}\.ba\logo.png
    Filesize

    1KB

    MD5

    d6bd210f227442b3362493d046cea233

    SHA1

    ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

    SHA256

    335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

    SHA512

    464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

  • C:\Windows\Temp\{9CC00900-7ACE-47C8-9C5F-A7CC814CDF11}\.ba\wixstdba.dll
    Filesize

    191KB

    MD5

    eab9caf4277829abdf6223ec1efa0edd

    SHA1

    74862ecf349a9bedd32699f2a7a4e00b4727543d

    SHA256

    a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

    SHA512

    45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2