Analysis

  • max time kernel
    143s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 05:28

General

  • Target

    82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe

  • Size

    199KB

  • MD5

    70b1d07024dfa7bcf66a07e8a6c8f618

  • SHA1

    07df32d67f587afee83e0ce309b5275dfbfe1bf0

  • SHA256

    82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3

  • SHA512

    d6cc177fe8aaad8547399f75b21782d29cd85978dc49c90fb448124a9e887ff5b60feb919f9740ee28894ae9eeb1a12f1ce97de836ff130902abd4d20fe4f74d

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOT:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXW

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\82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe
    "C:\Users\Admin\AppData\Local\Temp\82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\82FF09~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2228
  • C:\Windows\Debug\iuyhost.exe
    C:\Windows\Debug\iuyhost.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    PID:1892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\iuyhost.exe

    Filesize

    199KB

    MD5

    4676d2cea73d1546ff1bba5743792141

    SHA1

    b0c41a73c06481587d854aa8c4e8f45d838a39ef

    SHA256

    e874103e56cc3c766c40d322c4eb2b9929335d9d3e493e04e1057a488250c32a

    SHA512

    afef341c7c4c234852cd01d5dc08d7dfd95664c669b1a0693457c536deb340b8229ec93830d4bea5027e426e705835328497d2cbd6024e79bb9b52f94f869901