Overview

overview

10

Static

static

3

3ac7f91e37...38.exe

windows7-x64

10

3ac7f91e37...38.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338.exe

  • Size

    390KB

  • Sample

    240816-r8tj9a1akg

  • MD5

    08109df08fa4a035c59d56d1e6c5baf4

  • SHA1

    bec86bce6f6963d0cc69c441c6d5fb6d04d3a833

  • SHA256

    3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338

  • SHA512

    61e6cc3e94ddb7a980bfb0a2e5e5ffeeb5414c9e2ef3e42551820017dbedab5cccdd8ece1fed2ca057e240bdb7836663a7f9be28f1bb9136da972750caf59704

  • SSDEEP

    12288:s8TC7FeAA9IsQwycG888888888888W88888888888E7xCYsdG:s8TygVinw1Z7xCZdG

Score
10/10
cerberdiscoveryevasionpersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___BXYK3J_.txt

Family

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/C4AB-B785-D9E6-0098-941D 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.19kxwa.top/C4AB-B785-D9E6-0098-941D 2. http://xpcx6erilkjced3j.1eht65.top/C4AB-B785-D9E6-0098-941D 3. http://xpcx6erilkjced3j.1t2jhk.top/C4AB-B785-D9E6-0098-941D 4. http://xpcx6erilkjced3j.1e6ly3.top/C4AB-B785-D9E6-0098-941D 5. http://xpcx6erilkjced3j.16umxg.top/C4AB-B785-D9E6-0098-941D ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/C4AB-B785-D9E6-0098-941D

http://xpcx6erilkjced3j.19kxwa.top/C4AB-B785-D9E6-0098-941D

http://xpcx6erilkjced3j.1eht65.top/C4AB-B785-D9E6-0098-941D

http://xpcx6erilkjced3j.1t2jhk.top/C4AB-B785-D9E6-0098-941D

http://xpcx6erilkjced3j.1e6ly3.top/C4AB-B785-D9E6-0098-941D

http://xpcx6erilkjced3j.16umxg.top/C4AB-B785-D9E6-0098-941D

Extracted

Path

C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___JFBRHIA_.txt

Family

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/04DB-0DF2-E0EF-0098-9677 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.19kxwa.top/04DB-0DF2-E0EF-0098-9677 2. http://xpcx6erilkjced3j.1eht65.top/04DB-0DF2-E0EF-0098-9677 3. http://xpcx6erilkjced3j.1t2jhk.top/04DB-0DF2-E0EF-0098-9677 4. http://xpcx6erilkjced3j.1e6ly3.top/04DB-0DF2-E0EF-0098-9677 5. http://xpcx6erilkjced3j.16umxg.top/04DB-0DF2-E0EF-0098-9677 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/04DB-0DF2-E0EF-0098-9677

http://xpcx6erilkjced3j.19kxwa.top/04DB-0DF2-E0EF-0098-9677

http://xpcx6erilkjced3j.1eht65.top/04DB-0DF2-E0EF-0098-9677

http://xpcx6erilkjced3j.1t2jhk.top/04DB-0DF2-E0EF-0098-9677

http://xpcx6erilkjced3j.1e6ly3.top/04DB-0DF2-E0EF-0098-9677

http://xpcx6erilkjced3j.16umxg.top/04DB-0DF2-E0EF-0098-9677

Targets

    • Target

      3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338.exe

    • Size

      390KB

    • MD5

      08109df08fa4a035c59d56d1e6c5baf4

    • SHA1

      bec86bce6f6963d0cc69c441c6d5fb6d04d3a833

    • SHA256

      3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338

    • SHA512

      61e6cc3e94ddb7a980bfb0a2e5e5ffeeb5414c9e2ef3e42551820017dbedab5cccdd8ece1fed2ca057e240bdb7836663a7f9be28f1bb9136da972750caf59704

    • SSDEEP

      12288:s8TC7FeAA9IsQwycG888888888888W88888888888E7xCYsdG:s8TygVinw1Z7xCZdG

    Score
    10/10
    cerberdiscoveryevasionpersistenceprivilege_escalationransomware

    • Cerber

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

      ransomwarecerber

    • Blocklisted process makes network request

    • Contacts a large (1095) amount of remote hosts

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

      discovery

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Deletes itself

    • 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 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

2
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