Analysis

  • max time kernel
    1370s
  • max time network
    1159s
  • 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 16:27

General

  • Target

    vc_redist.x86.exe

  • Size

    13.1MB

  • MD5

    1a15e6606bac9647e7ad3caa543377cf

  • SHA1

    bfb74e498c44d3a103ca3aa2831763fb417134d1

  • SHA256

    fdd1e1f0dcae2d0aa0720895eff33b927d13076e64464bb7c7e5843b7667cd14

  • SHA512

    e8cb67fc8e0312da3cc98364b96dfa1a63150ab9de60069c4af60c1cf77d440b7dffe630b4784ba07ea9bf146bdbf6ad5282a900ffd6ab7d86433456a752b2fd

  • SSDEEP

    393216:S1RPq5dCsKSR65cX7Eyd/qnejOFxP7OEnl4L/Vvc:yP5iw56oyleej2OEnlwc

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\vc_redist.x86.exe
    "C:\Users\Admin\AppData\Local\Temp\vc_redist.x86.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Users\Admin\AppData\Local\Temp\vc_redist.x86.exe
      "C:\Users\Admin\AppData\Local\Temp\vc_redist.x86.exe" -burn.unelevated BurnPipe.{28976B5D-D108-44FC-A529-E2B7F5384D8C} {D50B2A4C-1760-419F-9525-75877E863001} 3196
      2⤵
      • Loads dropped DLL
      PID:876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\logo.png

    Filesize

    1KB

    MD5

    d6bd210f227442b3362493d046cea233

    SHA1

    ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

    SHA256

    335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

    SHA512

    464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

  • C:\Users\Admin\AppData\Local\Temp\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\wixstdba.dll

    Filesize

    118KB

    MD5

    4d20a950a3571d11236482754b4a8e76

    SHA1

    e68bd784ac143e206d52ecaf54a7e3b8d4d75c9c

    SHA256

    a9295ad4e909f979e2b6cb2b2495c3d35c8517e689cd64a918c690e17b49078b

    SHA512

    8b9243d1f9edbcbd6bdaf6874dc69c806bb29e909bd733781fde8ac80ca3fff574d786ca903871d1e856e73fd58403bebb58c9f23083ea7cd749ba3e890af3d2