Analysis

  • max time kernel
    120s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 22:23

General

  • Target

    921ee075a6f01559ad1716254bd4865469be6e0ea53fb5a6d2e538818fcca9f4N.exe

  • Size

    76KB

  • MD5

    01bbe0af85d40da5f55fea2928f25650

  • SHA1

    5c90611c1fd08aec1a9662d6291fba653b0c72de

  • SHA256

    921ee075a6f01559ad1716254bd4865469be6e0ea53fb5a6d2e538818fcca9f4

  • SHA512

    d7e91b29f9b312ea124ec8690f863b4f3e366653886d03c346364302fcea4564d52a30cab014af069a9b0e6fc6d352468039d60cfb394845b16ab1396826b21b

  • SSDEEP

    768:Xb6VvcTMnY+1j4I4SccFhqmvdgxXGcZDxc7mdKnI/:X4nV1U2c+qHhPZDW

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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\921ee075a6f01559ad1716254bd4865469be6e0ea53fb5a6d2e538818fcca9f4N.exe
    "C:\Users\Admin\AppData\Local\Temp\921ee075a6f01559ad1716254bd4865469be6e0ea53fb5a6d2e538818fcca9f4N.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\Admin.exe
      "C:\Users\Admin\Admin.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Admin.exe

    Filesize

    76KB

    MD5

    0cd61e58fc9edcd251ccd07cbfcce6f7

    SHA1

    f46bf54e643337226e751f7dd30f6931483ed97b

    SHA256

    5743fd9f1ee7fddbe81be6c84c61858c8b8db4a0202c12daaab7c97007d9c47e

    SHA512

    751fb66dc1507de1fa0c3baa583cad6458248fa4a273c984d6d956c2ebfe251287f5c07973036b08a7120722bb6c98c8603d536f9a119a47df7f800ddb9568b6