Analysis

  • max time kernel
    77s
  • max time network
    98s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08-06-2024 17:19

General

  • Target

    install_all/dotnet-sdk-6.0.422-win-x86.exe

  • Size

    180.4MB

  • MD5

    68ba679487efcb78d37ed2e7c52af792

  • SHA1

    a00fc102f990160127a85ffd765377b3a224e92b

  • SHA256

    16f9285f7e75b034c50be458f6125f7c7d31ff53cedcaf992ff17daf6176b3ca

  • SHA512

    fe6071783482f49ab544d988faa2264603e2d70ab24430fb7ce1a73ded222caed6e869826ae23da5f2b3bf2df12791399236961aad7ca1be2ec07d9ca610102a

  • SSDEEP

    3145728:7QVpHVmRJBTYl1f2OLWUkit1onlRTSQjfgGz3vNJpWgfTjCRj5D1xKg:7q9VAH61f2OqUkciRTT75haRj5D1sg

Score
4/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\install_all\dotnet-sdk-6.0.422-win-x86.exe
    "C:\Users\Admin\AppData\Local\Temp\install_all\dotnet-sdk-6.0.422-win-x86.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:236
    • C:\Windows\Temp\{17B95D9F-C41B-4527-A568-839989F5C867}\.cr\dotnet-sdk-6.0.422-win-x86.exe
      "C:\Windows\Temp\{17B95D9F-C41B-4527-A568-839989F5C867}\.cr\dotnet-sdk-6.0.422-win-x86.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\install_all\dotnet-sdk-6.0.422-win-x86.exe" -burn.filehandle.attached=724 -burn.filehandle.self=728
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Temp\{17B95D9F-C41B-4527-A568-839989F5C867}\.cr\dotnet-sdk-6.0.422-win-x86.exe

    Filesize

    610KB

    MD5

    c5d9144feca71e67cd5701da013e5f82

    SHA1

    67167ed0c224e1a794b2aa287c34dbda22ba52cd

    SHA256

    077f1a0faa09f09ea55cfea013ef29d5e59e0b90a8d591102f9cd96e5cbe4ebe

    SHA512

    f8bd1d638b4eaf9c45206bfa46e89f7a43a64ccaae44829d63e1e56a2023ab530f3c7777eb2fd896f599912f43111132641ba1ab45adf12ac3c19f691e2465c1

  • C:\Windows\Temp\{C41F3E64-FA88-4847-A076-A807D4AD8ED7}\.ba\bg.png

    Filesize

    4KB

    MD5

    9eb0320dfbf2bd541e6a55c01ddc9f20

    SHA1

    eb282a66d29594346531b1ff886d455e1dcd6d99

    SHA256

    9095bf7b6baa0107b40a4a6d727215be077133a190f4ca9bd89a176842141e79

    SHA512

    9ada3a1757a493fbb004bd767fab8f77430af69d71479f340b8b8ede904cc94cd733700db593a4a2d2e1184c0081fd0648318d867128e1cb461021314990931d

  • C:\Windows\Temp\{C41F3E64-FA88-4847-A076-A807D4AD8ED7}\.ba\wixstdba.dll

    Filesize

    197KB

    MD5

    4356ee50f0b1a878e270614780ddf095

    SHA1

    b5c0915f023b2e4ed3e122322abc40c4437909af

    SHA256

    41a8787fdc9467f563438daba4131191aa1eb588a81beb9a89fe8bd886c16104

    SHA512

    b9e482efe9189683dabfc9feff8b386d7eba4ecf070f42a1eebee6052cfb181a19497f831f1ea6429cfcce1d4865a5d279b24bd738d702902e9887bb9f0c4691