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Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 09:49

General

  • Target

    1538aa2c65bb41501abc20e495da68ac.exe

  • Size

    212KB

  • MD5

    1538aa2c65bb41501abc20e495da68ac

  • SHA1

    e47083a31408b546450e535ec88430cad3d70d8c

  • SHA256

    1059b36b011117b936be98fcf4dce03621f335b211d4b48ef7f8fe736a45f911

  • SHA512

    54d3c91795ca018b5ef909933fd287904906e9cba30d03e1cdb060d797d6e7d1c5919257342d2e5b4d9f78666e57c035161121df954a1c4e36ba8d6f35fab483

  • SSDEEP

    3072:lrnL9FbyZMgSuuj6Uq6EGtCLBnkczjLqXs0EIdVwmC0Ei7:dVuulq6YLBNzjLLwXxC0Ei7

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1538aa2c65bb41501abc20e495da68ac.exe
    "C:\Users\Admin\AppData\Local\Temp\1538aa2c65bb41501abc20e495da68ac.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3580
    • C:\Users\Admin\pueey.exe
      "C:\Users\Admin\pueey.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\pueey.exe

    Filesize

    212KB

    MD5

    57f7e4d321e15a11c4b9fc43c7053ce0

    SHA1

    c1cfbc80884d24867680d0c229a99ba068d5e70e

    SHA256

    76617c399a5b1735692020961526087e0e599ef81592f8cf03fdbe27e867adf3

    SHA512

    c1896be0830fdbb20b946dc92231a5e0a280bf205e5b64139374afbfca06e57adf78a7438574df2e46185c4d310a59568c051311e179cbd82680eaef15da87c9

  • memory/3580-0-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/3580-37-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/4556-33-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/4556-38-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB