General

  • Target

    take3.exe

  • Size

    14.3MB

  • Sample

    241128-cbebqszndw

  • MD5

    84c0ea78eb89b7abee5e03ae8ee708e4

  • SHA1

    91339bd35bd8f01868b8ff39d57b2f07fb050a0b

  • SHA256

    9f9cfe42a0768cc02609fcabf58b8ccce826d5d768e8c6d3a6728f543c4eac53

  • SHA512

    ca66588967874065481bbe80c262c55b3c831e3c95a1fb8830581765cc3dbeaa9d5608823aee899de316be9323a986e6866d399f9950af22e37efb527476436f

  • SSDEEP

    393216:KOWd863huc1dQJlAwF3MnG3InVFedWm7NS/xHWgnHz:b893hr1dQ53MG4VAHsT

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://osecweb.ir/js/config_20.ps1

Extracted

Family

lokibot

C2

http://frojbdawmiojfg.sytes.net:4410/fujfygidj/five/fre.php

http://kbfvzoboss.bid/alien/fre.php

http://alphastand.trade/alien/fre.php

http://alphastand.win/alien/fre.php

http://alphastand.top/alien/fre.php

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

14.243.221.170:2654

Mutex

a7b38fdd-192e-4e47-b9ba-ca9eb81cc7bd

Attributes
  • encryption_key

    8B9AD736E943A06EAF1321AD479071E83805704C

  • install_name

    Runtime Broker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Runtime Broker

  • subdirectory

    SubDir

Targets

    • Target

      take3.exe

    • Size

      14.3MB

    • MD5

      84c0ea78eb89b7abee5e03ae8ee708e4

    • SHA1

      91339bd35bd8f01868b8ff39d57b2f07fb050a0b

    • SHA256

      9f9cfe42a0768cc02609fcabf58b8ccce826d5d768e8c6d3a6728f543c4eac53

    • SHA512

      ca66588967874065481bbe80c262c55b3c831e3c95a1fb8830581765cc3dbeaa9d5608823aee899de316be9323a986e6866d399f9950af22e37efb527476436f

    • SSDEEP

      393216:KOWd863huc1dQJlAwF3MnG3InVFedWm7NS/xHWgnHz:b893hr1dQ53MG4VAHsT

    • Ammyy Admin

      Remote admin tool with various capabilities.

    • AmmyyAdmin payload

    • Ammyyadmin family

    • FlawedAmmyy RAT

      Remote-access trojan based on leaked code for the Ammyy remote admin software.

    • Flawedammyy family

    • Lokibot

      Lokibot is a Password and CryptoCoin Wallet Stealer.

    • Lokibot family

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Njrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • UAC bypass

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • 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

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Checks whether UAC is enabled

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks