Resubmissions

13-07-2024 02:45

240713-c88xlsvcpa 10

12-07-2024 23:15

240712-28xa9avdpn 10

General

  • Target

    Setup.exe

  • Size

    12KB

  • Sample

    240713-c88xlsvcpa

  • MD5

    a14e63d27e1ac1df185fa062103aa9aa

  • SHA1

    2b64c35e4eff4a43ab6928979b6093b95f9fd714

  • SHA256

    dda39f19837168845de33959de34bcfb7ee7f3a29ae55c9fa7f4cb12cb27f453

  • SHA512

    10418efcce2970dcdbef1950464c4001753fccb436f4e8ba5f08f0d4d5c9b4a22a48f2803e59421b720393d84cfabd338497c0bc77cdd4548990930b9c350082

  • SSDEEP

    192:brl2reIazGejA7HhdSbw/z1ULU87glpK/b26J4S1Xu85:b52r+xjALhMWULU870gJJ

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Family

asyncrat

Botnet

Default

C2

45.139.198.242:6606

Attributes
  • delay

    1

  • install

    true

  • install_file

    MicrosoftServices.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

stealc

Botnet

hate

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Extracted

Family

lumma

C2

https://contemplateodszsv.shop/api

https://applyzxcksdia.shop/api

https://replacedoxcjzp.shop/api

https://declaredczxi.shop/api

https://catchddkxozvp.shop/api

https://arriveoxpzxo.shop/api

https://bindceasdiwozx.shop/api

https://conformfucdioz.shop/api

https://reinforcedirectorywd.shop/api

https://stationacutwo.shop/api

https://bannngwko.shop/api

https://bargainnykwo.shop/api

https://affecthorsedpo.shop/api

https://radiationnopp.shop/api

https://answerrsdo.shop/api

https://publicitttyps.shop/api

https://benchillppwo.shop/api

Targets

    • Target

      Setup.exe

    • Size

      12KB

    • MD5

      a14e63d27e1ac1df185fa062103aa9aa

    • SHA1

      2b64c35e4eff4a43ab6928979b6093b95f9fd714

    • SHA256

      dda39f19837168845de33959de34bcfb7ee7f3a29ae55c9fa7f4cb12cb27f453

    • SHA512

      10418efcce2970dcdbef1950464c4001753fccb436f4e8ba5f08f0d4d5c9b4a22a48f2803e59421b720393d84cfabd338497c0bc77cdd4548990930b9c350082

    • SSDEEP

      192:brl2reIazGejA7HhdSbw/z1ULU87glpK/b26J4S1Xu85:b52r+xjALhMWULU870gJJ

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Amadey

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

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Detects Monster Stealer.

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Lumma Stealer

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

    • Modifies security service

    • Monster

      Monster is a Golang stealer that was discovered in 2024.

    • Phorphiex payload

    • Phorphiex, Phorpiex

      Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer V2 payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • Async RAT payload

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

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

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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 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.

    • 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

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Hide Artifacts: Hidden Files and Directories

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks