General

  • Target
    0D54CC85A07BEA0B888FF9B1F23AB913.exe
  • Size 3.2MB
  • Sample250706-vtbbxazzhz
  • SHA256 9cfe8a34e954671eeafb9da5ce51699cbbd1f6adb05b35ffc60c65cf04730ef2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 5.50

Botnet
  • 9fa1e2

C2
  • http://176.46.157.50

Attributes
  • install_dir

    bd4cae89c3

  • install_file

    suker.exe

  • strings_key

    a27669e4fa4aae7e94baf28c7141a7c8

  • url_paths

    /tu3d2rom/index.php

rc4.plain

Extracted

Family
  • lumma

C2
  • https://rbmlh.xyz/lakd

  • https://ycvduc.xyz/trie

  • https://nbcsfar.xyz/tpxz

  • https://cbakk.xyz/ajng

  • https://trsuv.xyz/gait

  • https://sqgzl.xyz/taoa

  • https://cexpxg.xyz/airq

  • https://urarfx.xyz/twox

  • https://liaxn.xyz/nbzh

Attributes
  • build_id

    0fb5b6b07f7e1681bed90ce3a2a4c15c2cec2c3eef

Extracted

Family
  • stealerium

C2
  • https://api.telegram.org/bot7752834125:AAGPH6QjjPzlEZfKnQiq_KUoE4sQVU5i15o/sendMessage?chat_id=

Extracted

Family
  • xworm

C2
  • 66.63.187.164:8594

Attributes
  • Install_directory

    %Temp%

  • install_file

    Firefox.exe

Extracted

Family
  • njrat

Version
  • Njrat 0.7 Golden By Hassan Amiri

Botnet
  • HacKed

C2
  • 66.63.187.164:8595

Mutex
  • svchost

Attributes
  • reg_key

    svchost

  • splitter

    |Hassan|

Extracted

Family
  • quasar

Attributes
  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Extracted

Family
  • gurcu

C2
  • https://api.telegram.org/bot7752834125:AAGPH6QjjPzlEZfKnQiq_KUoE4sQVU5i15o/getM

Targets

    • Target
      0D54CC85A07BEA0B888FF9B1F23AB913.exe
    • Size 3.2MB
    • SHA256 9cfe8a34e954671eeafb9da5ce51699cbbd1f6adb05b35ffc60c65cf04730ef2
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Njrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Stealerium

      An open source info stealer written in C# first seen in May 2022.

    • Stealerium family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • CryptOne packer

      Detects CryptOne packer defined in NCC blogpost.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Sets service image path in registry

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks