Overview

overview

10

Static

static

3

1f824766e7...3b.exe

windows10-2004-x64

10

1f824766e7...3b.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b
  • Size 292KB
  • Sample260421-jctalsdy3v
  • SHA256 1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b
  • MD5 SHA1 SHA512 SSDEEP TLSH
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___6QB570_.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/6D54-CE00-F03B-0098-9BC2 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/6D54-CE00-F03B-0098-9BC2 2. http://xpcx6erilkjced3j.1e6ly3.top/6D54-CE00-F03B-0098-9BC2 3. http://xpcx6erilkjced3j.1ewuh5.top/6D54-CE00-F03B-0098-9BC2 4. http://xpcx6erilkjced3j.15ezkm.top/6D54-CE00-F03B-0098-9BC2 5. http://xpcx6erilkjced3j.16umxg.top/6D54-CE00-F03B-0098-9BC2 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

  • http://xpcx6erilkjced3j.onion/6D54-CE00-F03B-0098-9BC2

  • http://xpcx6erilkjced3j.1t2jhk.top/6D54-CE00-F03B-0098-9BC2

  • http://xpcx6erilkjced3j.1e6ly3.top/6D54-CE00-F03B-0098-9BC2

  • http://xpcx6erilkjced3j.1ewuh5.top/6D54-CE00-F03B-0098-9BC2

  • http://xpcx6erilkjced3j.15ezkm.top/6D54-CE00-F03B-0098-9BC2

  • http://xpcx6erilkjced3j.16umxg.top/6D54-CE00-F03B-0098-9BC2

Extracted

Path

  • C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___IWYL_.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/5DD3-9BE0-C266-0098-93BB 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/5DD3-9BE0-C266-0098-93BB 2. http://xpcx6erilkjced3j.1e6ly3.top/5DD3-9BE0-C266-0098-93BB 3. http://xpcx6erilkjced3j.1ewuh5.top/5DD3-9BE0-C266-0098-93BB 4. http://xpcx6erilkjced3j.15ezkm.top/5DD3-9BE0-C266-0098-93BB 5. http://xpcx6erilkjced3j.16umxg.top/5DD3-9BE0-C266-0098-93BB ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

  • http://xpcx6erilkjced3j.onion/5DD3-9BE0-C266-0098-93BB

  • http://xpcx6erilkjced3j.1t2jhk.top/5DD3-9BE0-C266-0098-93BB

  • http://xpcx6erilkjced3j.1e6ly3.top/5DD3-9BE0-C266-0098-93BB

  • http://xpcx6erilkjced3j.1ewuh5.top/5DD3-9BE0-C266-0098-93BB

  • http://xpcx6erilkjced3j.15ezkm.top/5DD3-9BE0-C266-0098-93BB

  • http://xpcx6erilkjced3j.16umxg.top/5DD3-9BE0-C266-0098-93BB

Targets

    • Target
      1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b
    • Size 292KB
    • SHA256 1f824766e7bbd6a8ea293d4fc0f8b4b09d541bd0c1bc54fcdcf3e67fcc38133b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverycerberpersistenceprivilege_escalationransomware

    • Family: Cerber

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

      ransomwarecerber

    • Badlisted process makes network request

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

    • Contacts a large (1105) amount of remote hosts

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

      discovery

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Drops startup file

    • Enumerates connected drives

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

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

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

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

Tasks