General

  • Target

    file.exe

  • Size

    404KB

  • Sample

    240930-n456pstfmr

  • MD5

    3c9241d0ce97c159d6cfaa49f602fafd

  • SHA1

    3a0320d338544496cb2ed6952d52e740c7f25d03

  • SHA256

    a73c4d134f180b9f4047f9be94f3f36b3a2e34469f8c90f70d964778efdc6adc

  • SHA512

    e7a86d0e92be6c741d53e505d712034f24cc9951fbb0015e6c46b97399eaa358c216de63930728fc1ca7edaaf3ceca3ed1dcab0e1c7bf0c384ba78d22615e9d4

  • SSDEEP

    12288:Dpn81p29d9YRhTe4kashZFxfNvJKXZYDJEO:1Sp29d9YRhi4kasRxfNxfJt

Malware Config

Extracted

Family

vidar

Version

11

Botnet

514d77849a01ff8ab7dd99d5f0a2e19e

C2

https://t.me/jamsemlg

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

Extracted

Family

vidar

Version

11

Botnet

a669a86f8433a1e88901711c0f772c97

C2

https://t.me/jamsemlg

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://underlinemdsj.site/api

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Targets

    • Target

      file.exe

    • Size

      404KB

    • MD5

      3c9241d0ce97c159d6cfaa49f602fafd

    • SHA1

      3a0320d338544496cb2ed6952d52e740c7f25d03

    • SHA256

      a73c4d134f180b9f4047f9be94f3f36b3a2e34469f8c90f70d964778efdc6adc

    • SHA512

      e7a86d0e92be6c741d53e505d712034f24cc9951fbb0015e6c46b97399eaa358c216de63930728fc1ca7edaaf3ceca3ed1dcab0e1c7bf0c384ba78d22615e9d4

    • SSDEEP

      12288:Dpn81p29d9YRhTe4kashZFxfNvJKXZYDJEO:1Sp29d9YRhi4kasRxfNxfJt

    • 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.

    • Downloads MZ/PE file

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks