Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/04/2024, 01:07

General

  • Target

    43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe

  • Size

    197KB

  • MD5

    1f713539b5dbfdf2ef5b0620806af6ee

  • SHA1

    a1b82c2f270bef7afd1fc2e5d102832695d06be1

  • SHA256

    43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb

  • SHA512

    ede9a0fa39da67d7116da9e207807b5bc893a975621e39bb600fc4dac8025ce4ac2faccaf0b98723a3f09050db55dc2498a89ecb203dbd24e5b4bc6f9139bb87

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOJ:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX4

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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe
    "C:\Users\Admin\AppData\Local\Temp\43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\43C794~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2824
  • C:\Windows\Debug\ayahost.exe
    C:\Windows\Debug\ayahost.exe
    1⤵
    • Executes dropped EXE
    PID:2272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\ayahost.exe

    Filesize

    197KB

    MD5

    b0e3fc8e8c3a1c8041966721dd56b624

    SHA1

    18e937552d03868fa5d419eb7950fdf041d98e08

    SHA256

    0082fd5e89cb3e8a20424fcdf0b05b922036397784fde7e8b597dc3b9af360a6

    SHA512

    6a8c4832884002d13ff317010d940acb9197853d281d5e072f5dac2a3d36a414be026c0064b9383246ce1619b4f20cc95bc23e5ee28e5129fe948f0cd55157ec