General

  • Target

    8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe

  • Size

    326KB

  • Sample

    240927-bxzdcs1djf

  • MD5

    10b1172549949f835f59bd598cfc4318

  • SHA1

    21f16130980717888dea8eb3dee30a4914749880

  • SHA256

    8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616

  • SHA512

    ed65fe280393853b9c38bb4d3f19c5b9187d2d7edb33eaf7c2f64e153ea3baefd33b0479a9f10d35dedb9f59ad3dd7f08e35e8106abb650d8cbb18d2dde9796f

  • SSDEEP

    6144:UPT+g0SUUOll/PbH2sY+iF6smfR3B5RlS4rJDuHbSt8OIikiIRi3EO:STH0SIbbnY+iZyxzHd1DRSiLEO

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

Version

11

Botnet

e90840a846d017e7b095f7543cdf2d15

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

C2

https://reinforcenh.shop/api

https://stogeneratmns.shop/api

https://fragnantbui.shop/api

https://drawzhotdog.shop/api

https://vozmeatillu.shop/api

https://offensivedzvju.shop/api

https://ghostreedmnu.shop/api

https://gutterydhowi.shop/api

https://wallkedsleeoi.shop/api

Extracted

Family

lumma

C2

https://wallkedsleeoi.shop/api

https://gutterydhowi.shop/api

https://ghostreedmnu.shop/api

https://offensivedzvju.shop/api

https://vozmeatillu.shop/api

https://drawzhotdog.shop/api

https://fragnantbui.shop/api

https://stogeneratmns.shop/api

https://reinforcenh.shop/api

https://ballotnwu.site/api

Targets

    • Target

      8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616.exe

    • Size

      326KB

    • MD5

      10b1172549949f835f59bd598cfc4318

    • SHA1

      21f16130980717888dea8eb3dee30a4914749880

    • SHA256

      8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616

    • SHA512

      ed65fe280393853b9c38bb4d3f19c5b9187d2d7edb33eaf7c2f64e153ea3baefd33b0479a9f10d35dedb9f59ad3dd7f08e35e8106abb650d8cbb18d2dde9796f

    • SSDEEP

      6144:UPT+g0SUUOll/PbH2sY+iF6smfR3B5RlS4rJDuHbSt8OIikiIRi3EO:STH0SIbbnY+iZyxzHd1DRSiLEO

    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

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

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Grants admin privileges

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

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Server Software Component: Terminal Services DLL

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

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

    • Modifies WinLogon

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks