Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 17:48

General

  • Target

    49a6f2ad0e0460ada2793821d5e17e42.exe

  • Size

    244KB

  • MD5

    49a6f2ad0e0460ada2793821d5e17e42

  • SHA1

    183e18bceaac5f6c449eb40adf28821984ffc30e

  • SHA256

    0c38a2b2128965ac3bdb12a5480666b27e05fac69190f970ce485a2bdff98b4d

  • SHA512

    908ae8495983b4aed19c099aab13b77894ccdfee208eed828202cc6025056a29f8222b72018b5680fe0ef1d7fbde9d198cf80e66c7fd157d88998d314c6caf27

  • SSDEEP

    768:1lvMa/hJIV6vwbjMPkG1VuW/wqvRXMXp677yCzdXZRT2Nq1MaQnepMri14PGBEjb:1RlZJIwIlGVs4emEFbMP0

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49a6f2ad0e0460ada2793821d5e17e42.exe
    "C:\Users\Admin\AppData\Local\Temp\49a6f2ad0e0460ada2793821d5e17e42.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\huakiu.exe
      "C:\Users\Admin\huakiu.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
      • Suspicious use of WriteProcessMemory
      PID:2888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\huakiu.exe

    Filesize

    244KB

    MD5

    b35067cbee635668c8710df92c63ac1f

    SHA1

    b6849e19178a9a7ef15bd9d3e5e4802ca6e11f09

    SHA256

    a405fd0500dbca2c86168a37026236c339e7ae63121420c5984be0b74c74930a

    SHA512

    c1f375c5dbfc6d4008c4aa105f349845b14f9d18ca43b5b67ef410abe2a17b66c33a4262936ae66a55333bd27af6eab191fc61b084b4b43fa62de6bb95228486

  • memory/1632-0-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2888-34-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB