Resubmissions

10/07/2024, 12:56

240710-p6khfs1eng10

10/07/2024, 12:56

240710-p6ft9s1end10

10/07/2024, 12:55

240710-p57llaygpj10

Analysis

  • max time kernel
    55s
  • max time network
    63s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/07/2024, 12:55

General

  • Target
    62548c66d11776c84706553bdd76afd7248d2c3e69b0f47215c0dc307f0dd06a.exe
  • Size 438KB
  • Sample240710-p57llaygpj
  • SHA256 62548c66d11776c84706553bdd76afd7248d2c3e69b0f47215c0dc307f0dd06a
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62548c66d11776c84706553bdd76afd7248d2c3e69b0f47215c0dc307f0dd06a.exe
    "C:\Users\Admin\AppData\Local\Temp\62548c66d11776c84706553bdd76afd7248d2c3e69b0f47215c0dc307f0dd06a.exe"
    1⤵
    • Checks QEMU agent file
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\caspol.exe
      "C:\Users\Admin\AppData\Local\Temp\62548c66d11776c84706553bdd76afd7248d2c3e69b0f47215c0dc307f0dd06a.exe"
      2⤵
      • Checks QEMU agent file
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:4680

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsaBB13.tmp\System.dll
        • Size 11KB
        • SHA256 681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59
        • MD5 SHA1 SHA512 SSDEEP

        memory/3220-14-0x0000000004230000-0x00000000050D8000-memory.dmp

        memory/3220-15-0x00007FFA24961000-0x00007FFA24A8A000-memory.dmp

        memory/3220-16-0x00007FFA24960000-0x00007FFA24B69000-memory.dmp

        memory/3220-21-0x0000000004230000-0x00000000050D8000-memory.dmp

        memory/4680-17-0x00007FFA24960000-0x00007FFA24B69000-memory.dmp

        memory/4680-18-0x00007FFA24960000-0x00007FFA24B69000-memory.dmp

        memory/4680-20-0x00007FFA24960000-0x00007FFA24B69000-memory.dmp

        memory/4680-28-0x0000000000400000-0x000000000062E000-memory.dmp

        memory/4680-29-0x00007FFA24960000-0x00007FFA24B69000-memory.dmp