Overview

overview

10

Static

static

10

getrekt.exe

windows7-x64

10

getrekt.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2024, 18:52

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    getrekt.exe
  • Size 27KB
  • Sample241115-xh2qtsync1
  • SHA256 202523606be3b79ee5b59b342404b0c4ec85df4182ceffd97d02fd02effdce89
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chaospersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\read_it.txt

Ransom Note
  • Don't worry, you can return all your files! All your files like documents, photos, databases and other important are encrypted What guarantees do we give to you? You can send 3 of your encrypted files and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail :[email protected] ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: [email protected]) 2) Obtain Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos
  • Chaos Ransomware 2 IoCs
  • Chaos family
    chaos
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\getrekt.exe
    "C:\Users\Admin\AppData\Local\Temp\getrekt.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:1492

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        getrekt.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\getrekt.exe.log
        • Size 1KB
        • SHA256 ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
        • MD5 SHA1 SHA512
        Submit Download

        read_it.txt
        • Path C:\Users\Admin\AppData\Local\read_it.txt
        • Size 582B
        • SHA256 45726f2f29967ef016f8d556fb6468a577307d67388cc4530295a9ca10fdfa36
        • MD5 SHA1 SHA512
        Submit Download

        svchost.exe
        • Path C:\Users\Admin\AppData\Roaming\svchost.exe
        • Size 27KB
        • SHA256 202523606be3b79ee5b59b342404b0c4ec85df4182ceffd97d02fd02effdce89
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        Magnify.lnk
        • Path C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\Magnify.lnk
        • Size 1B
        • SHA256 8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
        • MD5 SHA1 SHA512
        Submit Download

        memory/1664-16-0x00007FFA8A940000-0x00007FFA8B401000-memory.dmp
        Download

        memory/1664-1132-0x00007FFA8A940000-0x00007FFA8B401000-memory.dmp
        Download

        memory/3452-0-0x00007FFA8A943000-0x00007FFA8A945000-memory.dmp
        Download

        memory/3452-1-0x0000000000F00000-0x0000000000F0E000-memory.dmp
        Download

        memory/3452-2-0x00007FFA8A940000-0x00007FFA8B401000-memory.dmp
        Download

        memory/3452-15-0x00007FFA8A940000-0x00007FFA8B401000-memory.dmp
        Download