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Overview

overview

10

Static

static

1

Cerber5.exe

windows7-x64

10

Cerber5.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    37s
  • max time network
    39s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/03/2025, 12:09

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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___OE0X_.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/8E5A-9A16-610E-0098-B74B 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/8E5A-9A16-610E-0098-B74B 2. http://xpcx6erilkjced3j.19kdeh.top/8E5A-9A16-610E-0098-B74B 3. http://xpcx6erilkjced3j.1mpsnr.top/8E5A-9A16-610E-0098-B74B 4. http://xpcx6erilkjced3j.18ey8e.top/8E5A-9A16-610E-0098-B74B 5. http://xpcx6erilkjced3j.17gcun.top/8E5A-9A16-610E-0098-B74B ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/8E5A-9A16-610E-0098-B74B

http://xpcx6erilkjced3j.1n5mod.top/8E5A-9A16-610E-0098-B74B

http://xpcx6erilkjced3j.19kdeh.top/8E5A-9A16-610E-0098-B74B

http://xpcx6erilkjced3j.1mpsnr.top/8E5A-9A16-610E-0098-B74B

http://xpcx6erilkjced3j.18ey8e.top/8E5A-9A16-610E-0098-B74B

http://xpcx6erilkjced3j.17gcun.top/8E5A-9A16-610E-0098-B74B

Signatures

  • Cerber

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

    ransomwarecerber
  • Cerber family
    cerber
  • Contacts a large (1099) 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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 8 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 WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Cerber5.exe
    "C:\Users\Admin\AppData\Local\Temp\Cerber5.exe"
    1⤵
    • Checks computer location settings
    • 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:3612
    • 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:4496
    • 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:2668
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___LQIZHR_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5008
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___9D3ER_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:1888
    • 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:1576
      • 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:3484
      • 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:404

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

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
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\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___7Z5PH_.hta
    Filesize

    75KB

    MD5

    180c5425e7b7d5c4d58d01fa812b6f51

    SHA1

    1e27de2c1519380392da81b4649266ab82b77686

    SHA256

    3c881afccb14169352fe43e5d0e6247d3e74e8fb3a433ae6ca7d2b65838804e7

    SHA512

    f0efd870e8a61bedb8eb1e5b09a474fd5cd18c8a951cca25b305e47a3b15eed7885d2f81817003921f34e6001fab0493dfad85267cd7b69e07c66d3360b45d5e

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___OE0X_.txt
    Filesize

    1KB

    MD5

    976d43cb70e84f4981b5eb136a171317

    SHA1

    637cfba2ca8baedb3bbeadf34250881048197806

    SHA256

    38dad7e2984930a3ded888cc9fa4faee6211c0c60ee642393c18def3c220053c

    SHA512

    cfe1f8969368fb6ca11b60077e8f2170189dd85ee711c2d7760efc31be30a73863261c790d66da93e4bfeb9dceeab700daf09d2c533a1ce6888c99019dacb472

    Download Submit

  • memory/3612-0-0x0000000001500000-0x0000000001531000-memory.dmp

    Filesize

    196KB

    Download

  • memory/3612-1-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

    Download

  • memory/3612-2-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

    Download

  • memory/3612-4-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

    Download

  • memory/3612-7-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

    Download

  • memory/3612-393-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

    Download

  • memory/3612-418-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

    Download

  • memory/3612-419-0x0000000000440000-0x000000000044E000-memory.dmp

    Filesize

    56KB

    Download