General

  • Target

    advanced_systemcare_pro_v17.6.0.322___fix.zip

  • Size

    21.6MB

  • Sample

    240906-rbbyyazekq

  • MD5

    409a309cd59c632d0f280b6f8f2c6b56

  • SHA1

    aeb148d2485cb2212fb774202c6358ae2796e7fd

  • SHA256

    fe9faa9dce569967893616b25a8064c82b2c5202f16e8c43a154f973ebfaaef5

  • SHA512

    90acefbfb9389bfe5f0b2c97c59218fb5cb32a76dfb404e6b4380d0fc54086dcecd42fec74f4e45f8c0094e571a215734a589a4958e1f2aa5b13275fcbf8b01e

  • SSDEEP

    393216:2Ui1l8bFcezxgiD6ZceuodARPzfilqds+Xmoc4YpW+jaoOnak2ko:2N8b+oxOZceuowPz6lksnKYXjaoOak2f

Malware Config

Extracted

Family

stealc

Botnet

leva

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

147.45.47.36:30035

Extracted

Family

vidar

C2

https://t.me/fneogr

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Extracted

Family

lumma

C2

https://condedqpwqm.shop/api

Targets

    • Target

      advanced_systemcare_pro_v17.6.0.322___fix.exe

    • Size

      835.3MB

    • MD5

      eda11678333e9eba72c83b5e27def409

    • SHA1

      9f79b705f0ff3be14a45c65e46885acbb94fb44e

    • SHA256

      ff3028e2c7ae125f85c0ca6e7c97af9fa1c75b5f49ac56777bd17efc9077f8c5

    • SHA512

      4f0e897ddb51bf38e4e39567f925f8f42806f0ceb8128b30fecdd6a38a88d9a83ea241a665868cd9c84ce53eb57c52d271bb3c7d75b6d771d0f96ea93b9d3005

    • SSDEEP

      786432:aK8egE13kCDSgXWmDO6HaiyFsTlJDDmvj:aKsE13kCDMmDxHryFsTCv

    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

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

    • RedLine

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

    • RedLine payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • 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.

    • 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 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.

    • 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.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks