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Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2024, 05:32

General

  • Target

    06c511477acc39f0c1a7be8349c6364d43d83c2837c9b145c9e800e612c7cdeb.exe

  • Size

    196KB

  • MD5

    760973daaf6a6eae91fdddbb2ff4f77c

  • SHA1

    60ff2ac2447cd41c7c9f5cbe82aa00d111edcd51

  • SHA256

    06c511477acc39f0c1a7be8349c6364d43d83c2837c9b145c9e800e612c7cdeb

  • SHA512

    c038fc5427ed01380fe80c85b691d6a8fea69cd873baa7f5fe739bffae5075e6e919a03ab91de4ec55d2b4847c3b5ac52a751c5d228be092e462c581d689c7ed

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOw:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXZ

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06c511477acc39f0c1a7be8349c6364d43d83c2837c9b145c9e800e612c7cdeb.exe
    "C:\Users\Admin\AppData\Local\Temp\06c511477acc39f0c1a7be8349c6364d43d83c2837c9b145c9e800e612c7cdeb.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\06C511~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2404
  • C:\Windows\Debug\ayahost.exe
    C:\Windows\Debug\ayahost.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    PID:2108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\ayahost.exe

    Filesize

    196KB

    MD5

    7f22a9ef935cad36dbdc7f05ef48e03d

    SHA1

    790860ee0d08c447ec8003ea1b2675bd7ad5532a

    SHA256

    e9c80214c35d16836d68508c1e311ea1e6be8e66526edadfffaf9763f85369cd

    SHA512

    f22bae7f17091b880e19509211b79183a3201185adaf9045379082ee7e22c17caa630aacca078a56926176d569935775e703296f98333eccc306d7216d0658f3