General

  • Target

    f2f647ba7ca2104c8d5aa7130502eb7a48ce1ae629ee33abf1efcc07f172c449.exe

  • Size

    1.8MB

  • Sample

    240424-cgfrraeb52

  • MD5

    169d873778a229bcb4f010f87930cb28

  • SHA1

    15d928181a3abe9fc84d21454246676baad444a8

  • SHA256

    f2f647ba7ca2104c8d5aa7130502eb7a48ce1ae629ee33abf1efcc07f172c449

  • SHA512

    42630f7e98502c97806a4f241598dba61298d1874bffc7baf1bea34c3950861a182daf6798f4834b4d2865238569379a3bfa796dee953224fc29e712831170c4

  • SSDEEP

    49152:13/bnTrRlJqN+zVjKQVO3LNjmd6P0uqVs:1jnTrrJqY5ORjSieG

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://193.233.132.139

Attributes
  • install_dir

    5454e6f062

  • install_file

    explorta.exe

  • strings_key

    c7a869c5ba1d72480093ec207994e2bf

  • url_paths

    /sev56rkm/index.php

rc4.plain

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Extracted

Family

stealc

C2

http://52.143.157.84

Attributes
  • url_path

    /c73eed764cc59dcb.php

Extracted

Family

lumma

C2

https://affordcharmcropwo.shop/api

https://cleartotalfisherwo.shop/api

https://worryfillvolcawoi.shop/api

https://enthusiasimtitleow.shop/api

https://dismissalcylinderhostw.shop/api

https://diskretainvigorousiw.shop/api

https://communicationgenerwo.shop/api

https://pillowbrocccolipe.shop/api

https://productivelookewr.shop/api

https://tolerateilusidjukl.shop/api

https://shatterbreathepsw.shop/api

https://shortsvelventysjo.shop/api

https://incredibleextedwj.shop/api

https://alcojoldwograpciw.shop/api

https://liabilitynighstjsko.shop/api

https://demonstationfukewko.shop/api

Targets

    • Target

      f2f647ba7ca2104c8d5aa7130502eb7a48ce1ae629ee33abf1efcc07f172c449.exe

    • Size

      1.8MB

    • MD5

      169d873778a229bcb4f010f87930cb28

    • SHA1

      15d928181a3abe9fc84d21454246676baad444a8

    • SHA256

      f2f647ba7ca2104c8d5aa7130502eb7a48ce1ae629ee33abf1efcc07f172c449

    • SHA512

      42630f7e98502c97806a4f241598dba61298d1874bffc7baf1bea34c3950861a182daf6798f4834b4d2865238569379a3bfa796dee953224fc29e712831170c4

    • SSDEEP

      49152:13/bnTrRlJqN+zVjKQVO3LNjmd6P0uqVs:1jnTrrJqY5ORjSieG

    • Amadey

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

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • Modifies firewall policy service

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Windows security bypass

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables (downlaoders) containing URLs to raw contents of a paste

    • Detects executables Discord URL observed in first stage droppers

    • Detects executables built or packed with MPress PE compressor

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables referencing many varying, potentially fake Windows User-Agents

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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

    • Looks up external IP address via web service

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

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks