Overview

overview

10

Static

static

1

Cerber5.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250217-en
  • resource tags

    arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09/03/2025, 02:44

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General

  • Target

    Cerber5.exe

  • Size

    313KB

  • MD5

    fe1bc60a95b2c2d77cd5d232296a7fa4

  • SHA1

    c07dfdea8da2da5bad036e7c2f5d37582e1cf684

  • SHA256

    b3e1e9d97d74c416c2a30dd11858789af5554cf2de62f577c13944a19623777d

  • SHA512

    266c541a421878e1e175db5d94185c991cec5825a4bc50178f57264f3556080e6fe984ed0380acf022ce659aa1ca46c9a5e97efc25ff46cbfd67b9385fd75f89

  • SSDEEP

    6144:nl578cxdGY87FohbnmM2i8ito7wTmCbL94KCT3OAmK:nl59zH8MiM2z+NLQBN

Score
10/10
cerberdefense_evasiondiscoverypersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___NI1J4IA_.txt

Family

cerber

Ransom Note
Hi, I'am CRBR ENCRYPTOR ;) ----- ALL YOUR DOCUMENTS, PH0T0S, DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ----- The only one 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/B0D5-E49D-9597-0098-BAFD 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.1n5mod.top/B0D5-E49D-9597-0098-BAFD 2. http://xpcx6erilkjced3j.19kdeh.top/B0D5-E49D-9597-0098-BAFD 3. http://xpcx6erilkjced3j.1mpsnr.top/B0D5-E49D-9597-0098-BAFD 4. http://xpcx6erilkjced3j.18ey8e.top/B0D5-E49D-9597-0098-BAFD 5. http://xpcx6erilkjced3j.17gcun.top/B0D5-E49D-9597-0098-BAFD ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/B0D5-E49D-9597-0098-BAFD

http://xpcx6erilkjced3j.1n5mod.top/B0D5-E49D-9597-0098-BAFD

http://xpcx6erilkjced3j.19kdeh.top/B0D5-E49D-9597-0098-BAFD

http://xpcx6erilkjced3j.1mpsnr.top/B0D5-E49D-9597-0098-BAFD

http://xpcx6erilkjced3j.18ey8e.top/B0D5-E49D-9597-0098-BAFD

http://xpcx6erilkjced3j.17gcun.top/B0D5-E49D-9597-0098-BAFD

Signatures

  • Cerber

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

    ransomwarecerber
  • Cerber family
    cerber
  • Contacts a large (1091) 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 10 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 2 IoCs
  • Opens file in notepad (likely ransom note) 2 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 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Cerber5.exe
    "C:\Users\Admin\AppData\Local\Temp\Cerber5.exe"
    1⤵
    • 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:3520
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall set allprofiles state on
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:3344
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall reset
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:3348
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___QLA3Z6_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4076
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___V9BG_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:5040
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /d /c taskkill /f /im "C" > NUL & ping -n 1 127.0.0.1 > NUL & del "C" > NUL && exit
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4520
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "C"
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2936
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 1 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3228
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2148
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___QLA3Z6_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      1⤵
      • System Location Discovery: System Language Discovery
      PID:3556
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___QLA3Z6_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      1⤵
      • System Location Discovery: System Language Discovery
      PID:992
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4044
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\Downloads\PopTrace.vbs"
      1⤵
        PID:380
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\ResolveOpen.txt
        1⤵
        • Opens file in notepad (likely ransom note)
        PID:1164

      Network

      MITRE ATT&CK Enterprise v15

      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

      • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
        Filesize

        24KB

        MD5

        444bd4af537773f90a95db08f52548b7

        SHA1

        2856c6f6c1bb8e61749953a6d5c2f376c47cef74

        SHA256

        40ac78abec60bb2dc90c860058f7b2398980ea5f72059a19f11c722804b7af9a

        SHA512

        4588a3c9aaaeac67aa8952c4b3bfc00fd6e3544381707320e7a6a846e6ddfe48c6a1191aea341ec80fb18b05c9e759fecc163a660d69d5192fc5b7b8accf95cb

        Download Submit

      • C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___02JJCM_.hta
        Filesize

        75KB

        MD5

        eddbdbd41d7ea5dd42efbc99eac2df2b

        SHA1

        66379decf42f285845204465ea749ef64bbfc7e5

        SHA256

        14da7c1b7e564d1da85f6a153096e080ec77871889c078ea806b35e48a7a8943

        SHA512

        bf7dc05f33359e59324fe964402acfdf245c877e4bc18da333960c7f7997014af1de9edbff27afae4b7db28c1ca7a4699a81137ccea6bce6ad31da2840ae8196

        Download Submit

      • C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___NI1J4IA_.txt
        Filesize

        1KB

        MD5

        ca23ab3abfb755e1f9ab8bb43355cdc5

        SHA1

        f35fc04f091bb6bdb472714770feab471897b5fd

        SHA256

        b400bd18676da3dba0a7cb33b0f120e10182e0936e51b02622dfc36a74cec80b

        SHA512

        2cf27f28489c435145760188585c1f1320c88b978e2bb854a7d80d4c18020720ac6ce09eebb2e6c0a79e0dffd78d884f20c46365d627b0fe69bf54c4b1c62b31

        Download Submit

      • memory/3520-0-0x0000000005EC0000-0x0000000005EF1000-memory.dmp

        Filesize

        196KB

        Download

      • memory/3520-1-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/3520-2-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/3520-4-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/3520-7-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/3520-374-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/3520-378-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/3520-399-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/3520-400-0x0000000000440000-0x000000000044E000-memory.dmp

        Filesize

        56KB

        Download