Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 07:08

General

  • Target

    11c43fe140d60ebeecfe7ee3b1120cd8.exe

  • Size

    240KB

  • MD5

    11c43fe140d60ebeecfe7ee3b1120cd8

  • SHA1

    4146c683b713e9a8eac35313795576cb69f64595

  • SHA256

    30be123f0daec1f03ca8648594952c0a008e1358b224bea7be7130da3306d3c3

  • SHA512

    c6c5e70462184705d0e098105f7b63a7fb5e8cbaa01145276f24f12df03fe5df39a94459cb52f5b110b2f3724827a35e0539df43e9fa6dbedbbf0d7f1b3bc4be

  • SSDEEP

    3072:37kNA7T8j6VlpvBd90i/SmWKLi7CjFSivnfu3fbMdozt5cz0R7:37X0UGKGkFRKfeoztOY

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 27 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\11c43fe140d60ebeecfe7ee3b1120cd8.exe
    "C:\Users\Admin\AppData\Local\Temp\11c43fe140d60ebeecfe7ee3b1120cd8.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:2104
    • C:\Users\Admin\cuexu.exe
      "C:\Users\Admin\cuexu.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:4012

Network

MITRE ATT&CK Enterprise v15

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Downloads