General

  • Target

    https://github.com/Endermanch/MalwareDatabase/tree/master

  • Sample

    240814-s7rjyazgrf

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___E1PK_.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/5273-9E03-72E4-0098-BB05 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/5273-9E03-72E4-0098-BB05 2. http://xpcx6erilkjced3j.19kdeh.top/5273-9E03-72E4-0098-BB05 3. http://xpcx6erilkjced3j.1mpsnr.top/5273-9E03-72E4-0098-BB05 4. http://xpcx6erilkjced3j.18ey8e.top/5273-9E03-72E4-0098-BB05 5. http://xpcx6erilkjced3j.17gcun.top/5273-9E03-72E4-0098-BB05 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/5273-9E03-72E4-0098-BB05

http://xpcx6erilkjced3j.1n5mod.top/5273-9E03-72E4-0098-BB05

http://xpcx6erilkjced3j.19kdeh.top/5273-9E03-72E4-0098-BB05

http://xpcx6erilkjced3j.1mpsnr.top/5273-9E03-72E4-0098-BB05

http://xpcx6erilkjced3j.18ey8e.top/5273-9E03-72E4-0098-BB05

http://xpcx6erilkjced3j.17gcun.top/5273-9E03-72E4-0098-BB05

Targets

    • Target

      https://github.com/Endermanch/MalwareDatabase/tree/master

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

    • Cerber

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

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

    • Modifies WinLogon for persistence

    • UAC bypass

    • mimikatz is an open source tool to dump credentials on Windows

    • Contacts a large (1131) amount of remote hosts

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

    • Disables RegEdit via registry modification

    • Modifies Windows Firewall

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Modifies WinLogon

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Winlogon Helper DLL

2
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Winlogon Helper DLL

2
T1547.004

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

6
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Disable or Modify System Firewall

1
T1562.004

Discovery

Network Service Discovery

1
T1046

System Information Discovery

4
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Browser Information Discovery

1
T1217

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Remote System Discovery

1
T1018

Command and Control

Web Service

1
T1102

Impact

Defacement

1
T1491

Tasks