Overview

overview

10

Static

static

3

1f824766e7...3b.exe

windows10-2004-x64

10

1f824766e7...3b.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/05/2026, 15:00

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General

  • Target
    1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b.exe
  • Size 292KB
  • Sample260525-sdlrlaez2z
  • SHA256 1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoverycerberpersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___EICLLI_.txt

  • cerber

Ransom Note
  • Hi, I'am CRBR ENCRYPTOR ;) ----- YOUR DOCUMENTS, PHOTOS, DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ----- The only way to decrypt your files is to receive the private key and decryption program. To receive the private key and decryption program go to any decrypted folder, inside there is the special file (*_R_E_A_D___T_H_I_S_*) with complete instructions how to decrypt your files. If you cannot find any (*_R_E_A_D___T_H_I_S_*) file at your PC, follow the instructions below: ----- 1. Download "Tor Browser" from https://www.torproject.org/ and install it. 2. In the "Tor Browser" open your personal page here: http://xpcx6erilkjced3j.onion/6943-0A19-136F-0098-952F Note! This page is available via "Tor Browser" only. ----- Also you can use temporary addresses on your personal page without using "Tor Browser". ----- 1. http://xpcx6erilkjced3j.1t2jhk.top/6943-0A19-136F-0098-952F 2. http://xpcx6erilkjced3j.1e6ly3.top/6943-0A19-136F-0098-952F 3. http://xpcx6erilkjced3j.1ewuh5.top/6943-0A19-136F-0098-952F 4. http://xpcx6erilkjced3j.15ezkm.top/6943-0A19-136F-0098-952F 5. http://xpcx6erilkjced3j.16umxg.top/6943-0A19-136F-0098-952F ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

  • http://xpcx6erilkjced3j.onion/6943-0A19-136F-0098-952F

  • http://xpcx6erilkjced3j.1t2jhk.top/6943-0A19-136F-0098-952F

  • http://xpcx6erilkjced3j.1e6ly3.top/6943-0A19-136F-0098-952F

  • http://xpcx6erilkjced3j.1ewuh5.top/6943-0A19-136F-0098-952F

  • http://xpcx6erilkjced3j.15ezkm.top/6943-0A19-136F-0098-952F

  • http://xpcx6erilkjced3j.16umxg.top/6943-0A19-136F-0098-952F

Signatures

  • Family: Cerber

    Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.

    ransomwarecerber
  • Badlisted process makes network request 5 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Contacts a large (1097) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    defense_evasion
  • Drops startup file 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 38 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 20 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Kills process with taskkill 1 IoCs
    defense_evasion
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b.exe
    "C:\Users\Admin\AppData\Local\Temp\1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Users\Admin\AppData\Local\Temp\1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b.exe
      "C:\Users\Admin\AppData\Local\Temp\1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b.exe"
      2⤵
      • Drops startup file
      • Enumerates connected drives
      • Drops file in System32 directory
      • Sets desktop wallpaper using registry
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2964
      • C:\Windows\SysWOW64\netsh.exe
        C:\Windows\system32\netsh.exe advfirewall set allprofiles state on
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3788
      • C:\Windows\SysWOW64\netsh.exe
        C:\Windows\system32\netsh.exe advfirewall reset
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4208
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___WRG5L_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        3⤵
        • Badlisted process makes network request
        • System Location Discovery: System Language Discovery
        PID:4256
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___ULNJ0A_.txt
        3⤵
        • System Location Discovery: System Language Discovery
        • Opens file in notepad (likely ransom note)
        PID:1540
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /d /c taskkill /f /im "1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b.exe" > NUL & ping -n 1 127.0.0.1 > NUL & del "C:\Users\Admin\AppData\Local\Temp\1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b.exe" > NUL && exit
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:4836
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im "1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5012
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 1 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:3132

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Persistence

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Privilege Escalation

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Defense Evasion

        Impair Defenses

        1
        T1562

        Disable or Modify System Firewall

        1
        T1562.004

        Modify Registry

        1
        T1112

        Credential Access

        Discovery

        Network Service Discovery

        1
        T1046

        Peripheral Device Discovery

        1
        T1120

        Query Registry

        1
        T1012

        Remote System Discovery

        1
        T1018

        System Information Discovery

        2
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        System Network Configuration Discovery

        1
        T1016

        Internet Connection Discovery

        1
        T1016.001

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Defacement

        1
        T1491

        Replay Monitor

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        Downloads

        _R_E_A_D___T_H_I_S___EICLLI_.txt
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___EICLLI_.txt
        • Size 1KB
        • SHA256 4b4bb1b812eec7655a0a62f773487086361a0fd1095daafc8774319e465f2eb7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        _R_E_A_D___T_H_I_S___XWC0IE_.hta
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___XWC0IE_.hta
        • Size 76KB
        • SHA256 4a469343f011aae04bcc08fb40a72700c57fb6c7dcb15f2a7f66a9233b225b6a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1480-2-0x00000000036B0000-0x00000000036B9000-memory.dmp
        Download

        memory/1480-3-0x00000000036B0000-0x00000000036B9000-memory.dmp
        Download

        memory/2964-4-0x00000000001C0000-0x00000000001C1000-memory.dmp
        Download

        memory/2964-5-0x0000000000400000-0x0000000000431000-memory.dmp
        Download

        memory/2964-399-0x0000000000400000-0x0000000000431000-memory.dmp
        Download