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Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 00:47

General

  • Target

    9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe

  • Size

    124KB

  • MD5

    f6bbf3bc488b528e5a9dc4cf1377fa00

  • SHA1

    6a0fbc3cced9e61ae8765a0ed7b44723915be791

  • SHA256

    9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68

  • SHA512

    cdf9e3cd2c674f7c5e1f1702be3468bdef3da527631be9cb361034cf2a2872672ab86b9f8ced22995ef49c7caa297885081048e10d366d9bf79dc3ae5d249cfb

  • SSDEEP

    1536:/ebuEFBx+/67NxkiQixA+alh98r8Y9USv1jyHwo7JaS4:GbuEFT+/67gjH8ri8KwQq

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).

  • 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\9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe
    "C:\Users\Admin\AppData\Local\Temp\9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.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:4632
    • C:\Users\Admin\laesuew.exe
      "C:\Users\Admin\laesuew.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:2080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\laesuew.exe

    Filesize

    124KB

    MD5

    e482bf1fefd05f7e944aa3b389073e7e

    SHA1

    e95107dacecf06f741fc8c4ceffce3c525a9c601

    SHA256

    5930949e5981a239a8a1bce6073aeea38d10cd6b46414f67550bef0dd54a7b6f

    SHA512

    b7aa63a01f80829ff4b03b580401054dd9ce4649671319fb72f0e1e7e4864d48f02ec878714120cb5072fb967b05df2bab150b795ae27d019b30c4642a1573e6