Overview

overview

10

Static

static

3

f5dc03647d...f1.exe

windows7-x64

10

f5dc03647d...f1.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 05:15

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General

  • Target

    f5dc03647d3e8700d3755bd846befa0d26eb4ca78d66e4147a81826a44e7c8f1.exe

  • Size

    88KB

  • MD5

    98eded03732a704f2e071bc6888222b4

  • SHA1

    30e83d37bb3d2ba155f9e4051485935247c12fc0

  • SHA256

    f5dc03647d3e8700d3755bd846befa0d26eb4ca78d66e4147a81826a44e7c8f1

  • SHA512

    d41d841879260c0489ec1806e3d98e66dcd83837534b5e35cddecf0dadd8e154462208264301c1b02737f23de23ecec15d709f90bc13cc82decf7cbbc0423e34

  • SSDEEP

    768:6lXI+1+5h7ffZzCjsK2+/T/PmLRBNV3ZJfqHJvE/AZbyd:6JI+0vR5K2KjPmLRBNJqHJNZmd

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • 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 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5dc03647d3e8700d3755bd846befa0d26eb4ca78d66e4147a81826a44e7c8f1.exe
    "C:\Users\Admin\AppData\Local\Temp\f5dc03647d3e8700d3755bd846befa0d26eb4ca78d66e4147a81826a44e7c8f1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3592
    • C:\Users\Admin\funes.exe
      "C:\Users\Admin\funes.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:4480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 956
      2⤵
      • Program crash
      PID:4828
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3592 -ip 3592
    1⤵
      PID:1036

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\funes.exe
            Filesize

            88KB

            MD5

            b1a98a190c3259e0fa89cf28aeddbf61

            SHA1

            64a2ef99cb56d06dae2a14473e570570479a418d

            SHA256

            2de1822e62aa524dc768f916ded9503180c3861bc67e81511ceabd76b14e6244

            SHA512

            579ae14bb2b5478b27edd9db8303ddfc1cad874f14b7b505c08a910f5a56fb12066a3ce50335006de263916b8796450a353da92bf1b97b17759bf344e2f1808f

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