Resubmissions

29-03-2024 12:16

240329-pfrh3sgd9x 8

29-03-2024 12:11

240329-pcrdxagd5v 8

27-03-2024 19:52

240327-ylpfcaaf83 10

27-03-2024 19:06

240327-xsc58add5x 10

General

  • Target

    https://www.dropbox.com/scl/fo/qy2qk79x2gtuwswxjxcla/h?rlkey=9ophpx1zlqaopl8j3d53sf3wi&dl=0

  • Sample

    240327-ylpfcaaf83

Malware Config

Extracted

Family

modiloader

C2

https://drive.google.com/u/0/uc?id=1TcSctGVBajYMA7CFDc158wpvqkpxmkhJ&export=download

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

nickman12-46565.portmap.io:46565

nickman12-46565.portmap.io:1735

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    Userdata.exe

  • copy_folder

    Userdata

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %WinDir%\System32

  • mouse_option

    false

  • mutex

    remcos_vcexssuhap

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

njrat

Version

0.7d

Botnet

Geforce

C2

startitit2-23969.portmap.host:1604

Mutex

b9584a316aeb9ca9b31edd4db18381f5

Attributes
  • reg_key

    b9584a316aeb9ca9b31edd4db18381f5

  • splitter

    Y262SUCZ4UJJ

Extracted

Family

warzonerat

C2

168.61.222.215:5400

Extracted

Family

crimsonrat

C2

185.136.161.124

Extracted

Path

C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___KT6G3RG_.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/7CC2-96E6-302E-0098-BFC0 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/7CC2-96E6-302E-0098-BFC0 2. http://xpcx6erilkjced3j.19kdeh.top/7CC2-96E6-302E-0098-BFC0 3. http://xpcx6erilkjced3j.1mpsnr.top/7CC2-96E6-302E-0098-BFC0 4. http://xpcx6erilkjced3j.18ey8e.top/7CC2-96E6-302E-0098-BFC0 5. http://xpcx6erilkjced3j.17gcun.top/7CC2-96E6-302E-0098-BFC0 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/7CC2-96E6-302E-0098-BFC0

http://xpcx6erilkjced3j.1n5mod.top/7CC2-96E6-302E-0098-BFC0

http://xpcx6erilkjced3j.19kdeh.top/7CC2-96E6-302E-0098-BFC0

http://xpcx6erilkjced3j.1mpsnr.top/7CC2-96E6-302E-0098-BFC0

http://xpcx6erilkjced3j.18ey8e.top/7CC2-96E6-302E-0098-BFC0

http://xpcx6erilkjced3j.17gcun.top/7CC2-96E6-302E-0098-BFC0

Targets

    • Target

      https://www.dropbox.com/scl/fo/qy2qk79x2gtuwswxjxcla/h?rlkey=9ophpx1zlqaopl8j3d53sf3wi&dl=0

    • Cerber

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

    • CrimsonRAT main payload

    • CrimsonRat

      Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • Netwire

      Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • UAC bypass

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • ModiLoader First Stage

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Warzone RAT payload

    • Contacts a large (1239) amount of remote hosts

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

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Disables use of System Restore points

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Sets file execution options in registry

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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 autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks