Overview

overview

10

Static

static

3

c2ac334111...aN.exe

windows7-x64

10

c2ac334111...aN.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 10:41

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General

  • Target

    c2ac33411106629f5fb003c7bf07bf3e72c2677a36623a2f79461c83be56e40aN.exe

  • Size

    84KB

  • MD5

    b51f423096bc1337f256f531cfab8650

  • SHA1

    958fb4a72f0196f7b6572de631b92d6dc43b1335

  • SHA256

    c2ac33411106629f5fb003c7bf07bf3e72c2677a36623a2f79461c83be56e40a

  • SHA512

    fd52d51930d33900224404661b77c051944bdcb4ede881fa827bcd162b46fe4bd5096b0edb08ffa59b735b3ceeb092495fa515586ce42fda25c7e31d88f6b5d4

  • SSDEEP

    768:DyV+hOvMhEwzfKgoIp2IWi3KEyUhL7b7Yqlf4JwQltjmtTBHi7AlR:DoFvky2j76Ezh/vYlJwAitTB3lR

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\c2ac33411106629f5fb003c7bf07bf3e72c2677a36623a2f79461c83be56e40aN.exe
    "C:\Users\Admin\AppData\Local\Temp\c2ac33411106629f5fb003c7bf07bf3e72c2677a36623a2f79461c83be56e40aN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\toudu.exe
      "C:\Users\Admin\toudu.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:4580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 1504
      2⤵
      • Program crash
      PID:652
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1516 -ip 1516
    1⤵
      PID:3188

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      84KB

      MD5

      74aeb39c20aca5f0c75d0c146fb036b0

      SHA1

      dcfd6dd4bb9fa1244990f3f4973c349ca43ec679

      SHA256

      220c9d01ff48ca5c934388508f8ad5c1c92db7c2cd352c2fe7c7f0137653a780

      SHA512

      e1aeaf1e1089a13c55e520a56c9e2a39ae32d2a8a782db8991713a6a59321eab7533a9e0d27b597b43f1ad79d31531a51fa7f30b609b3dec514f94fc14b8f012

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