General

  • Target

    Untitled Zap _ Zapier.html

  • Size

    140KB

  • Sample

    240502-ps1mhsha6v

  • MD5

    dca69382249bfd6a9caca557fa076334

  • SHA1

    de18354012a8682b23e008f3660243a5db3a082b

  • SHA256

    7adc49a158c3f93c7e63ee258211d98aec7d4801ea2ece48f70becbeebb806c1

  • SHA512

    e8e219a16f528eeef62ce41f9995bff20caa0af2381cf28385bb37a70ac31f656b27738f53f43b38bf27b6789c3708eea0d7244bc182953bf9cbb305f66b9105

  • SSDEEP

    1536:gQmuDAtYgpbv47hyF70RmOICgmnLPbUle2pW5e1A9ze586e7iMVXgcFo:epb+wg77XgcFo

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___86C37W4J_.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/B4F2-94DB-318F-0098-B964 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/B4F2-94DB-318F-0098-B964 2. http://xpcx6erilkjced3j.19kdeh.top/B4F2-94DB-318F-0098-B964 3. http://xpcx6erilkjced3j.1mpsnr.top/B4F2-94DB-318F-0098-B964 4. http://xpcx6erilkjced3j.18ey8e.top/B4F2-94DB-318F-0098-B964 5. http://xpcx6erilkjced3j.17gcun.top/B4F2-94DB-318F-0098-B964 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/B4F2-94DB-318F-0098-B964

http://xpcx6erilkjced3j.1n5mod.top/B4F2-94DB-318F-0098-B964

http://xpcx6erilkjced3j.19kdeh.top/B4F2-94DB-318F-0098-B964

http://xpcx6erilkjced3j.1mpsnr.top/B4F2-94DB-318F-0098-B964

http://xpcx6erilkjced3j.18ey8e.top/B4F2-94DB-318F-0098-B964

http://xpcx6erilkjced3j.17gcun.top/B4F2-94DB-318F-0098-B964

Targets

    • Target

      Untitled Zap _ Zapier.html

    • Size

      140KB

    • MD5

      dca69382249bfd6a9caca557fa076334

    • SHA1

      de18354012a8682b23e008f3660243a5db3a082b

    • SHA256

      7adc49a158c3f93c7e63ee258211d98aec7d4801ea2ece48f70becbeebb806c1

    • SHA512

      e8e219a16f528eeef62ce41f9995bff20caa0af2381cf28385bb37a70ac31f656b27738f53f43b38bf27b6789c3708eea0d7244bc182953bf9cbb305f66b9105

    • SSDEEP

      1536:gQmuDAtYgpbv47hyF70RmOICgmnLPbUle2pW5e1A9ze586e7iMVXgcFo:epb+wg77XgcFo

    • Cerber

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

    • Contacts a large (1124) amount of remote hosts

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

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Discovery

Network Service Discovery

1
T1046

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Command and Control

Web Service

1
T1102

Impact

Defacement

1
T1491

Tasks